Fluid Dynamics

Juan Jiménez

Assistant Professor

BME Adjunct

N575 Life Sciences Laboratory

240 Thatcher Way
University of Massachusetts
Amherst, MA 01003-2210

email: juanjimenez at umass.edu

Jiménez Research Group

UMass IALS

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Education

BS, Michigan State University, 1999
MS, Princeton University, 2002
PhD, Princeton University, 2007
Postdoctoral Fellowship, University of Pennsylvania, 2011

Research

Biomedical Engineering
Biofluids
Fluid Dynamics
Cardiovascular Engineering
Medical Devices
Vascular Biology
Cell Motility & Dynamics

Program Area:

Mechanical Engineering

Research Area:

Publications

KR Bittner, JM Jiménez, SR Peyton. 2020 Vascularized Biomaterials to Study Cancer Metastasis. Advanced Healthcare Materials, 1901459
Welsh JD, Hoofnagle MH, Bamezai S, Oxendine M, Lillian L, Hall JD, Yang J, Schultz S, Engel JD, Kume T, Oliver G, Jiménez JM, and Kahn ML. 2019. Hemodynamic regulation of peri-valvular endothelial gene expression prevents deep venous thrombosis. J Clin Invest
Smith AF, Zhao B, You M, and Jiménez JM. 2019 Microfluidic DNA-based Potassium Nanosensors for Improved Dialysis Treatment. BioMedical Engineering OnLine 18 (1), 73
. 2019 Microfluidic DNA-based Potassium Nanosensors for Improved Dialysis Treatment. BioMedical Engineering OnLine 18 (1), 73
Davies PF, Manduchi E, Jiménez JM, Jiang YZ 2017. Biofluids, cell mechanics and epigenetics: Flow-induced epigenetic mechanisms of endothelial gene expression. Journal of Biomechanics 50, 3-10
Sweet DT, Jiménez JM, Chang J, Hess PR, Mericko-Ishizuka P, et al. 2015. Lymph flow regulates collecting lymphatic vessel maturation in vivo. J Clin Invest
Jiang YZ, Manduchi E, Jiménez JM, Davies PF. 2015. Endothelial epigenetics in biomechanical stress: Disturbed flow-mediated epigenomic plasticity in vivo and in vitro. Arteriosclerosis, Thrombosis, and Vascular Biology
Jiménez JM, Prasad V, Yu MD, Kampmeyer CP, Kaakour AH, et al. 2014. Macro- and microscale variables regulate stent haemodynamics, fibrin deposition and thrombomodulin expression. J R Soc Interface 11:20131079
Jiang YZ, Jiménez JM, Ou K, McCormick ME, Zhang LD, Davies PF. 2014. Hemodynamic disturbed flow induces differential DNA methylation of endothelial kruppel-like factor 4 promoter in vitro and in vivo. Circ Res 115:32-43
Davies PF, Manduchi E, Stoeckert CJ, Jiménez JM, Jiang YZ. 2014. Emerging topic: flow-related epigenetic regulation of endothelial phenotype through DNA methylation. Vascul Pharmacol 62:88-93
Jiménez JM, Smits AJ. 2011. Tip and Junction Vortices Generated by the Sail of a Yawed Submarine Model at Low Reynolds Numbers. Journal of Fluids Engineering-Transactions of the Asme 133:-
Jiménez JM, Reynolds RT, Smits AJ. 2010. The Effects of Fins on the Intermediate Wake of a Submarine Model. Journal of Fluids Engineering-Transactions of the ASME 132
Jiménez JM, Hultmark M, Smits AJ. 2010. The intermediate wake of a body of revolution at high Reynolds numbers. J Fluid Mech 659:516-39
Jiménez JM, Davies PF. 2009. Hemodynamically driven stent strut design. Ann Biomed Eng 37:1483-94

Honors

2019 NSF CAREER Award
2016 BMES Innovation and Career Development Award
2013 Poster Presentation Prize - 42nd Annual Philadelphia Workshop on Hemostasis, Thrombosis and Atherosclerosis
2011 - 2016 Mentored Quantitative Research Development Award - NIH
2007-2010 Ruth L. Kirschstein Institutional National Research Service Award – NIH

David P. Schmidt

Professor

Marston 210B

210B Marston Hall
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

schmidt@acad.umass.edu

(413) 545-1393

(413) 545-1027

Multi-phase Flow Simulation Laboratory

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Education

B.S., North Carolina State University, 1992;
M.S., Stanford University, 1993;
Ph.D., University of Wisconsin, Madison, 1997

Research

Sprays, cavitation, and other multiphase flows
Wind Energy

Program Area:

Mechanical Engineering

Research Area:

Fluid Dynamics

Publications

Please see my Google Scholar page.

Journal Publications

Johlas, Hannah M. and Schmidt, David P. and Lackner, Matthew A., Large Eddy Simulations of Curled Wakes from Tilted Wind Turbines (2021). Submitted to Renewable Energy. http://dx.doi.org/10.2139/ssrn.3875189
Johlas, Hannah M., Luis A. Martínez‐Tossas, Matthew J. Churchfield, Matthew A. Lackner, and David P. Schmidt. "Floating platform effects on power generation in spar and semisubmersible wind turbines." Wind Energy (2021).
Chinmoy K. Mohapatra, David P. Schmidt, Brandon a. Sforzo, Katarzyna E. Matusik, Zongyu Yue, Christopher F. Powell, Sibendu Som, Balaji Mohan, Hong G. Im, Jihad Badra, Mathis Bode, Heinz Pitsch, Dimitrios Papoulias, Kshitij Neroorkar, Samir Muzaferija, Pedro Marti-Aldaravi, Maria Martinez, “Collaborative Investigation of the Internal Flow and Near-nozzle Flow of a 8-Hole Gasoline Injector (ECN Spray G)," International Journal of Engine Research, June 2020.
Piotr Liebersbach, Alden Foelsche, Victor K. Champagne, Matt Siopis, Aaron Nardi, and David P. Schmidt, “CFD Simulations of Feeder Tube Pressure Oscillations and Prediction of Clogging in Cold Spray Nozzles,” Journal of Thermal Spray Technology, v. 29(3), pp. 400-412, 2020.The above article was one of six Editor’s Choice Selections for 2020. The article is made freely available to the public.
Mateus Dias Ribeiro, Alex Mendonça Bimbato, Maurício Araújo Zanardi, José Antônio Perrella Balestieri, and David P Schmidt, “Large-eddy simulation of the flow in a direct injection spark ignition engine using an open-source framework,” International Journal of Engine Research, in press, 2020.
Sampath Rachakonda, Arman Paydarfar and David Schmidt, "Prediction of spray collapse in multi-hole gasoline direct injection (GDI) fuel injectors," International Journal of Engine Research, v. 20, pp. 18-33, 2019.
Sampath Rachakonda, Arman Paydarfar and David Schmidt, "Internal Flow in a Single-Hole Asymmetric Nozzle:Effect of the Drill Angle and Nature of the Counter-Bore," SAE International Journal of Engines, in press, 2019.
Sampath K Rachakonda, Yue Wang, Ronald O Grover Jr, Maryam Moulai, Eli Baldwin, Gaoming Zhang, Scott Parrish, Ramachandra Diwakar, Tang-Wei Kuo, David P Schmidt, “A computational approach to predict external spray characteristics for flashing and cavitating nozzles,” International Journal of Multiphase Flow, 106, 21-33, 2018.
David P. Schmidt and Frederick Bedford, “An Analysis of the Convergence of Stochastic Lagrangian/Eulerian Spray Simulations,” International Journal of Multiphase Flow, 102, 95-101, 2018.
Konstantinos Lyras, Siaka Dembele, David P. Schmidt, and Jennifer X. Wen, “Numerical simulation of subcooled and superheated jets under thermodynamic non-equilibrium,” International Journal of Multiphase Flow,102, 16-28, 2018.
Rachakonda S, Wang Y, Grover R, Moulai M, Baldwin E, Zhang G, Parrish S, Diwakar R, Kuo T-W, and Schmidt D, "A Computational Approach to Predict External Spray Characteristics for Flashing and Cavitating Nozzles", International Journal of Multiphase Flow, 106, 21-33, 2018.
Rachakonda S, Wang Y, Schmidt D, "Flash-Boiling Initialization for Spray Simulation Based on Parametric Studies", Atomization and Sprays, 28 (2), 2018.
Bush Trenton B., Zahra Khalkhali, Victor Champagne, David P. Schmidt, and Jonathan P. Rothstein “Optimization of Cold-Spray Deposition of High Density Polyethylene Powders,” J. Thermal Spray Tech., 26(7), 1548-1564, 2017.
Bush, T. B., Z. Khalkhali, D. P. Schmidt, and J. P. Rothstein, ‘‘Cold spray deposition of high density polyethylene powders,’’ J. Therm. Spray Technol. 26, 1548-1564 (2017).
Duke, D., A. Kastengren, K. Matusik, , A. Swantek, C. Powell, R. Payri, D. Vaquerizo, L. Itani, G. Bruneaux, R. Grover, S. Parrish, L. Markle, D. Schmidt, J. Manin, S. Skeen, L. Pickett, “Internal and Near Nozzle Measurements of Engine Combustion Network ‘Spray G’ Gasoline Direct Injectors,” Experimental Thermal and Fluid Science, 88, 608-621, 2017.
Duke, D., Finney, C., Kastengren, A., Matusik, K. et al., "High-Resolution X-Ray and Neutron Computed Tomography of an Engine Combustion Network Spray G Gasoline Injector," SAE Int. J. Fuels Lubr. 10(2):2017, doi:10.4271/2017-01-0824.
Pandal, A., Pastor, J., Payri, R., Kastengren, A. et al., "Computational and Experimental Investigation of Interfacial Area in Near-Field Diesel Spray Simulation," SAE Int. J. Fuels Lubr. 10(2):2017, doi:10.4271/2017-01-0859.
E. T. Baldwin, R. O. Grover Jr., S. E. Parrish, D. J. Duke, K. E. Matusik, C. F. Powell, A. L. Kastengren, D. P. Schmidt, “String Flash-Boiling in Gasoline Direct Injection Simulations with Transient Needle Motion,” Intl. J. of Multiphase Flow, v. 87, pp. 90-101, 2016.
M.A. Benitz, D.W. Carlson, B. Seyed-Aghazadeh, Y. Modarres-Sadeghi, M.A. Lackner, D.P. Schmidt, “CFD simulations and experimental measurements of flow past free-surface piercing, finite length cylinders with varying aspect ratios,” Computers & Fluids, v. 136, pp. 247-259, 2016.
J.M. García-Oliver, J.M. Pastor, A. Pandal, E. Baldwin, and D.P. Schmidt, “A Consistent, Scalable Model for Eulerian Spray Modeling,” Intl. J. of Multiphase Flow, v. 83, pp. 162-171, 2016.
J.M. Desantes, J.M. Garcia-Oliver, J.M. Pastor, A. Pandal,
, E. Baldwin, D.P. Schmidt, “Coupled/Decoupled Spray Simulation Comparison of the ECN spray A Condition with the Sigma-Y Eulerian Atomization Model,” Intl. J. of Multiphase Flow, v. 80, 89-99, 2016.
Sandeep Menon, Kyle G. Mooney, K.G. Stapf, David P.Schmidt, “Parallel Adaptive Simplical Re-Meshing for Deforming Domain CFD Computations,” J. of Comp. Phys., v. 298, 62-78, 2015.
M.A. Benitz, M.A. Lackner, D.P. Schmidt, “Hydrodynamics of offshore structures with specific focus on wind energy applications,” Renewable and Sustainable Energy Reviews, v. 44, 692-716, 2015.
Q. Xue, M. Battistoni, C. F. Powell, D. E. Longman, S.P. Quan, E. Pomraning, P. K. Senecal, D. P. Schmidt, S. Som, “An Eulerian CFD Model and X-ray Radiography for Coupled Nozzle Flow and Spray in Internal Combustion Engines,” Intl. J. of Multiphase Flow, v. 70, 77-88, 2015.
Philipp Pischke, R. Kneer, David P. Schmidt, “A comparative validation of concepts for Monte Carlo collision algorithms,” Computers and Fluids, v. 113, 77–86, 2015.
Daniel Duke, Andrew Swantek, Zak Tilocco, Alan Kastengren, Kamel Fezzaa, Kshitij Neroorkar, Maryam Moulai, Christopher Powell, David Schmidt,“X-ray Imaging of Cavitation in Diesel Injectors,” Journal of Engines, 7(2):1003-1016 ,2014.
Qingluan Xue, Michele Battistoni, Sibendu Som, Shaoping Quan, P. K. Senecal, Eric Pomraning, David Schmidt, “Eulerian CFD Modeling of Coupled Nozzle Flow and Spray with Validation against X-ray Radiography Data, Journal of Engines, 7(2):1061-1072, 2014.
Suzanne Cox, David Schmidt, Yahya Modarres-Sadeghi, and Sheila Patek, “A physical model of the extreme mantis shrimp strike: Kinematics and cavitation of Ninjabot,” Bioinspiration & Biomimetics, 9(1), 2014.
Daniel J. Duke, David P Schmidt, Kshitij Neroorkar, Alan L Kastengren, and Christopher F. Powell, “High-resolution large eddy simulations of cavitating gasoline–ethanol blends,” International Journal of Engine Research, 14 (6), 578-589, 2013.
Joaquin De la Morena, Kshitij Neroorkar, Alejandro H. Plazas, Richard C. Peterson, and David P. Schmidt, “Numerical Analysis of the Influence of Diesel Nozzle Design on Internal Flow Characteristics for Tilted Injectors,” Atomization and Sprays, 23(2), pp. 97-118, 2013.
J.M. García-Oliver, J.M. Pastor, A. Pandal, N. Trask, E. Baldwin, and D.P. Schmidt, “Diesel Spray CFD Simulations Based on the Sigma-Y Eulerian Atomization Model,” Atomization and Sprays, 23(1), pp. 71-95, 2013.
Andrew Teixeira, Richard Hermann, Jacob Kruger, Wieslaw Suszynski, Lanny D. Schmidt, David Schmidt, and Paul Dauenhauer, “Microexplosions in the upgrading of biomass-derived pyrolysis oils and the effects of simple fuel processing,” Sustainable Chemistry & Engineering, 1, 341−348, 2013.
Thomas Furlong and David P. Schmidt, “A Comparison of Homogenous and Separated Flow Assumptions for Adiabatic Capillary Flow,” Applied Thermal Engineering, 48, 186-193, 2012.
Nathaniel Trask , David P. Schmidt, Malissa D.A. Lightfoot, Stephen A. Danczyk, “Compressible Modeling of the Internal Two-Phase Flow in a Gas-Centered Swirl Coaxial Fuel Injector,” J. Propulsion and Power, 28(4), 685-693, 2012.
Andrew R. Teixeira, Kyle G. Mooney, Jacob S. Kruger, C. Luke Williams, Wieslaw J. Suszynski, Lanny D. Schmidt, David P. Schmidt, Paul J. Dauenhauer, “Aerosol Generation by Reactive Boiling Ejection of Molten Cellulose,” Energy & Environmental Science, 4 (10), 4306 – 4321, 2011.
Kshitij Neroorkar and David P. Schmidt, “Simulation of Flash-Boiling in Pressure Swirl Injectors,” Atomization and Sprays, 21 (2), 179–188, 2011.
Sandeep Menon and David P. Schmidt, “Supermesh construction for conservative interpolation on unstructured meshes:An extension to cell-centered finite-volume variables,” Comput. Methods Appl. Mech. Engrg. 200(41-44), 2797–2804, 2011.
Michael Colarossi, Nathaniel Trask, David P. Schmidt, Mark J. Bergander, “Multidimensional Modeling of Two-Phase Condensing Ejector Flow,” Int. J. of Refrigeration, 35 (2), 290–299, 2012.
Kshitij Neroorkar and David P. Schmidt, “Modeling of Vapor-Liquid Equilibrium of Gasoline-Ethanol Blended Fuels for Flash Boiling Simulations,” Fuel, 90(2), 665-673, 2010.
D. P. Schmidt, S. Gopalakrishnan, H. Jasak, “Multidimensional Simulation of Thermal Non-Equilibrium Channel Flow,” Intl. J. of Multiphase Flow, 36, 284-292, 2010.
Shaoping Quan, David Schmidt, Jinsong Hua, Jing Lou, “A numerical study of the relaxation and breakup of an elongated drop in a viscous liquid,” Journal of Fluid Mechanics, 640, 237 - 266, 2009.
Shaoping Quan , Jing Lou, David P. Schmidt, “Modeling Merging and Breakup in the Moving Mesh Interface Tracking Method for Multiphase Flow Simulations,” Journal of Computational Physics, 228(7), 2009.
J. Lee, R. Madabhushi, C. Fotache, S. Gopalakrishnan, and D. Schmidt, “Flashing Flow of Superheated Jet Fuel,” Proceedings of the Combustion Institute, 32(2), 2009.
S. Gopalakrishnan and David P. Schmidt, “A Computational Study of Flashing Flow in Fuel Injector Nozzles,” SAE Int. J. Engines 1(1), 160-170, 2008.
Shaoping Quan and David Schmidt, "A moving mesh interface tracking method for 3D incompressible two-phase flows," Journal of Computational Physics, 221(2), 2007.
Shaoping Quan and David Schmidt, "Direct Numerical Study of a Liquid Droplet Impulsively Accelerated by Gaseous Flow," Physics of Fluids, 18, 102103, 2006.
X. Shan, D. Schmidt, and J. Watkins, “Study of Natural Convection in Supercritical CO2 Cold Wall Reactors: Simulations and Experiments,” Industrial & Engineering Chemistry Research, 40(1), 2006.
Matthew J. Frain, David P. Schmidt, Yong-Le Pan, and Richard Chang, “Selective Classification and Concentration of Flowing Aerosols,” J. of Aerosol Science and Technology, 40(3), 2006.
Shuhai Hou and David P. Schmidt, “Adaptive Collision Meshing and Satellite Droplet Formation in Spray Simulations,” Int. J. of Multiphase Flow, 32(8), 2006.
Matt Kennedy, David Ahlfeld, David P. Schmidt, John Tobiason, “Three Dimensional Modeling for Estimation of Hydraulic Retention Time in a Reservoir,” J. of Environmental Eng., 132(9), 2006.
David P. Schmidt, “Theoretical Analysis for Achieving High-Order Spatial Accuracy in Lagrangian/Eulerian Source Terms,” Int. J. of Numerical Methods in Fluids, 52(8), 2006.
R.C. Bradshaw, David P. Schmidt, J. R. Rogers, K.F. Felton, and R. W. Hyers, “Machine Vision for High Precision Volume Measurement Applied to Levitated Containerless Materials Processing,” Review of Scientific Instruments, 76, 125108, 2005.
Matthew J. Frain, David P. Schmidt, and Woodrow Fiveland, “An Experimental Investigation of the Influence of gas and Solid Particle Interaction on the Heat Transfer Effectiveness of a Falling-Bed Heat Exchanger,” J. of Heat Transfer, 127(10), pp. 10-19, 2005.
Meizhong Dai and David P. Schmidt, “Numerical Simulation of Head-On Droplet Collision:Effect of Viscosity on Maximum Deformation,” Physics ofFluids, 17(4), 2005.
Sasanka Are, Shuhai Hou, David P. Schmidt, “Second Order Spatial Accuracy in Lagrangian-Eulerian Spray Calculations,” Numerical Heat Transfer, Part B: Fundamentals, 48(1), pp. 25-44, 2005.
Meizhong Dai and David P. Schmidt, “Adaptive Tetrahedral Meshing in Free-Surface Flow,” 208(1), pp. 228-252, J. Comp. Phys., 2005.
David P. Schmidt and C.J. Rutland, “Reducing Grid Dependency in Droplet Collision Calculations,” ASME Journal for Gas Turbines and Power, 126, pp. 227-233, April, 2004.
David P. Schmidt, Lou Chiappetta, Graham Goldin, and Ravi Madhabushi, “Transient Multidimensional Modeling of Airblast Atomizers,” Atomization and Sprays, 13, (4) , pp. 373-394,2003.
David P. Schmidt, “Improving the Numerical Accuracy of Spray Simulations”, SAE Transactions, Journal of Engines, pp. 1826-1835, 2002.
Meizhong Dai, Haoshu Wang, J. Blair Perot, and David P. Schmidt, “Direct Interface Tracking of Droplet Deformation,” Atomization and Sprays, 12 (5-6), pp. 721-736, 2002.
Xing Zhang, David Schmidt, and Blair Perot, “Accuracy and Conservation Properties of a Three Dimensional Unstructured Staggered Mesh Scheme for Fluid Dynamics,” J. Comp. Phys., 175, pp. 764-791, 2001.
D. Schmidt and M. L. Corradini, “The Internal Flow of Fuel Injector Nozzles: A Review,” International Journal of Engine Research, 2(1), pp. 1-22, 2001.
David P. Schmidt, “Why the Shower Curtain Sucks In,” p. 96, Scientific American, Oct. 2001.
J. Murphy, D. Schmidt, S. P. Wang, and Michael L. Corradini, “Multi-Dimensional Modeling of Multiphase Flow Physics:High-Speed Nozzle and Jet Flows—A Case Study,” Nuclear Engineering and Design, 204, pp. 177-190, 2001.
David P. Schmidt and C. J. Rutland, “A New Droplet Collision Algorithm,” Journal of Computational Physics, 164, pp. 62-80, 2000.
P. K. Senecal, David P. Schmidt, Idriss Nouar, Christopher J. Rutland, and Rolf D. Reitz, “Modeling High Speed Viscous Liquid Sheet Atomization,” Intl. Journal of Multiphase Flow, 25, pp. 1073-1097, 1999.
David P. Schmidt, C. J. Rutland, and M. L. Corradini, “A Fully Compressible Two-Dimensional Model of High Speed Cavitating Nozzles,” Atomization and Sprays, 9, 1999.
David P. Schmidt, C. J. Rutland, M. L. Corradini, P. Roosen, and O. Genge, “Cavitation in Asymmetric Two-Dimensional Nozzles,” SAE Transactions, Journal of Engines, v. 108., sect. 3, pp. 613-629, 1999.
David P. Schmidt, Idriss Nouar, P. K. Senecal, Jeffrey A. Hoffman, C. J. Rutland, Jay Martin, and R. D. Reitz, “Pressure-Swirl Atomization in the Near Field,” SAE Transactions, Journal of Engines, v. 108., sect. 3, pp. 471-484, 1999.
David P. Schmidt and M. L. Corradini, “Analytical Prediction of the Exit Flow of Cavitating Orifices,” Atomization and Sprays, 7 (6), 603-616, 1997.
David P. Schmidt, C. J. Rutland, and M. L. Corradini, “A Numerical Study of Cavitating Flow Through Various Nozzle Shapes,” SAE Transactions, Journal of Engines, 106 (3), pp. 1644-1673, 1997.

Conference Publications

Duke Daniel J., Dung T. Nguyen, Harry N. Scott, Anesu J. Kusangaya, Alan L. Kastengren, David Schmidt, and Damon R. Honnery, “Combining Modelling with Advanced Experimental Techniques to Optimize Formulation and Nozzle Design for Low GWP pMDIs”, Respiratory Drug Delivery Conference, April 2021.
Mitra, P., Haghshenas, M., Dal Santo, N., Ribeiro, M. D., Mitra, S., Daly, C., & Schmidt, D. (2021). Analysis and Interpretation of data-driven closure models for Large Eddy Simulation of Internal Combustion Engines (No. 2021-01-0407). SAE World Congress. [C3] Johlas, H. M., L. A. Martınez-Tossas, M. A. Lackner, D. P. Schmidt, and M. J. Churchfield. "Large eddy simulations of offshore wind turbine wakes for two floating platform types." Journal of Physics: Conference Series. Vol. 1452. 2020.
Peetak Mitra, Mateus Dias Ribeiro, David Schmidt, “A data-driven approach to modeling turbulent decay at non-asymptotic Reynolds numbers,” Bulletin of the American Physical Society, Seattle, 2019.
Peetak Mitra, Mateus Dias Ribeiro, David Schmidt, “A data-driven approach to modeling turbulent flows in an engine environment,” Bulletin of the American Physical Society, Seattle, 2019.
Johlas H M, Martinez-Tossas L A, Schmidt D P, Lackner M A and Churchfield M J, “Large eddy simulations of floating offshore wind turbine wakes with coupled platform motion.” J. Physics: Conf. Series. Vo. 1256, n. 1, 2019.
Lomonaco P, Maddux T, Bosma B, Myers A T, Arwade S A, Hallowell S, Johlas H M, Schmidt D P, and Lackner M L. (2019). Physical model testing of wave impact forces on fixed foundation of offshore wind turbines. Proc. of 29th Intl. Ocean and Polar Engineering Conf. (ISOPE) 2019-TPC-0671.
A. Tekawade1, P. Mitra, B. A. Sforzo, K. E. Matusik, A. L. Kastengren, D. P. Schmidt, C. F. Powell, “A comparison between CFD and 3D X-ray Diagnostics of Internal Flow in a Cavitating Diesel Injector Nozzle,” 30th ILASS Americas, Tempe AZ, 2019.
Peetak Mitra, Katarzyna Matusik, Daniel Duke, Priyesh Srivastava, Koji Yasutomi, Julien Manin, Lyle Pickett, Christopher F. Powell, Marco Arienti, Eli Baldwin, P.K. Senecal, David Schmidt, “Identification and Characterization of Steady Spray Conditions in Convergent, Single-Hole Diesel Injectors,” WCX SAE World Congress, 2019.
Gabriel Lev Jacobsohn, Chinmoy Mohapatra, Ronald Grover, Daniel Duke, David Schmidt, “Comparison of Turbulence Modeling Methods for Evaluating GDI Sprays with Transient Needle Motion,” WCX SAE World Congress, 2019.
Sampath Rachakonda, A. Paydarfar, D. P. Schmidt, “Prediction of spray collapse in multi-hole gasoline direct injection (GDI) fuel injectors,” THIESEL conference, Valencia, Spain, 2018.
Hannah M. Johlas, Spencer Hallowell, Shengbai Xie, Pedro Lomonaco, Matthew A. Lackner, Sanjay A. Arwade, David P. Schmidt, “Modeling breaking waves for fixed-bottom support structures for offshore wind turbines,” Proceedings of the ASME 2018 1st International Offshore Wind Technical Conference, Nov. 4-7, 2018, San Francisco CA.
Chimoy Mohapatra, Gabriel Jacobsohn, David Schmidt, “The Effects of Flash Boiling on Near-nozzle Behavior of a Gasoline Direct Injector During Transient Needle Motion,” ICLASS 2018, Chicago, 2018.
Alessandro Colombo, Pierangelo Conti, Maurizio Orlandi, Federico Visconti, Peetak Mitra, David P. Schmidt, “CFD Simulations of a Two-Phase Ejector for Transcritical CO2 Cycles Applied to Supermarket Refrigeration Systems,” 13th IIR Gustav Lorentzen Conference, Valencia, Spain, 2018.
Dimitrios Papoulias; Kshitij Neroorkar; Samir Muzaferija; David Schmidt, “Eulerian modeling of flash-boiling in multihole gasoline nozzles using the homogeneous relaxation model,” 10th International Symposium on Cavitation, Baltimore, May 2018.
Sampath Rachakonda, Arman Paydarfar and David Schmidt, "Internal Flow in a Single-Hole Asymmetric Nozzle: Effect of the Drill Angle and Nature of the Counter-Bore," SAE Technical Paper 2018-01-0288, 2018.
Gabriel Jacobsohn, Eli Baldwin, David Schmidt, Benjamin Halls, Alan Kastengren, Terrence Meyer, “Diffuse Interface Eulerian Spray Atomization Modeling of Impinging Jet Sprays,” AIAA SciTech Forum, 2018.
Chinmoy Mohapatra, Gabriel Jacobsohn, Eli Baldwin, David Schmidt, “Modeling Sealing in Transient Injector Simulations,” ASMEFluids Engineering Division Summer Meeting, 2017.
J.M. Desantes, J.M. García-Oliver, J.M. Pastor, A. Pandal, B. Naud, K. Matusik, D. Duke, A. Kastengren, C. Powell, D.P. Schmidt, “Modelling and validation of near-field Diesel spray CFD simulations based on the ∑-Y model,” ILASS Europe, Valencia Spain, September 2017.
David P. Schmidt and Fritz Bedford, “An Analysis of the Convergence of Stochastic Lagrangian/Eulerian Spray Simulations,” ILASS Americas, Atlanta, GA, May 2017.
C.T. Brown , B.Hickey, McDonell, E. Baldwin, D. P. Schmidt, “Liquid Fuel Injection Strategy to Reduce Sensitivity to Liquid Physical Properties” AIAA Science and Technology Forum and Exposition, January 2017, Grapevine, TX
D. Duke, A. Swantek, K. Matusik, A. Kastengren, J. P. Viera, R.. Payri, C. Powell, D. Schmidt, “X-ray Radiography Measurements and Numerical Simulations of Cavitation in a Metal Nozzle,” ILASS Americas, Dearborn, MI, 2016.
S. Rachakonda, Y. Wang, D. Schmidt, “Flash Boiling: A Parametric Study,” ILASS Americas, Dearborn, MI, 2016.
E. Baldwin, D. Schmidt, R. Grover, S. Parrish, D. Duke, K. Matusik, A. Kastengren, C. Powell, “String Flash-Boiling in Flashing and Non-Flashing Gasoline Direct Injection Simulations with Transient Needle Motion,”ILASS Americas, Dearborn, MI, 2016.
Strek, Piotr, Daniel J. Duke, Alan L. Kastengren, Christopher F. Powell, David P. Schmidt, “X-ray Radiography and CFD Studies of the Spray G Injector,” SAE Congress, April, 2016.
Benitz Maija, David P. Schmidt, Matthew A. Lackner, Gordon M. Stewart, Jason Jonkman, Amy Robertson, “Validation of Hydrodynamic Load Models Using CFD for the OC4-DEEPCWIND Semisubmersible,” Proc. Of the ASME 2015 International Conference on Ocean, Offshore and Arctic Engineering (OMAE) Conference, St. John’s, NL, Canada.
Wang Y., R. Grover, D. Schmidt, R. Diwakar, T.-W. Kuo, “Application of Interface Area Density Modeling to Define Spray Plume Boundary,” ILASS Americas, Raleigh NC, 2015.
Duke D., M. Battistoni, A. Swantek, N. Sovis, A. Kastengren, C. Powell, S. Som, D. Schmidt, “Validation of Cavitation Simulations in Submerged Nozzles,” ILASS Americas, Raleigh NC, 2015.
Rachakonda S., M. Moulai, D. Schmidt “Parametric Study of Flashing Nozzles For Spray Characterization,” ILASS Americas, Raleigh NC, 2015.
Maryam Moulai, Ronald Grover, Scott Parrish, David P. Schmidt, “Internal and Near-Nozzle Flow in a Multi-Hole Gasoline Injector Under Flashing and Non-Flashing Conditions,” SAE Congress, April, 2015.
Moulai M., Schmidt D., “Eulerian Modeling of Internal and External Diesel Injector Flow,” ILASS Americas, Portland, 2014.
Duke D., Kastengren A., Swantek A., Sovis N., Fezzaa K., Neroorkar K., Moulai M., Powell C., Schmidt D., “Comparing Simulations and X-ray Measurements of a Cavitating Nozzle,” ILASS Americas, Portland, 2014.
Xue Q., Battistoni M., Quan S., Senecal P., Pomraning E., Schmidt D., Som S., “Eulerian Modeling of Fully-Coupled Diesel Injector Flow and Spray,” ILASS Americas, Portland, 2014.
Benitz M.A., Schmidt D.P., Lackner M.A., Jonkman J., Robertson A., Stewart G.S., "Comparison of Hydrodynamic Load Predictions Between Reduced-Order Engineering Models and Computational Fluid Dynamics for the OC4-DeepCWind Semi-Submersible." 33rd International Conference on Ocean, Offshore and Arctic Engineering, San Francisco, CA, June 2014.
Daniel Duke, Andrew Swantek, Zak Tilocco, Alan Kastengren, Kamel Fezzaa, Kshitij Neroorkar, Maryam Moulai, Christopher Powell, David Schmidt,” X-ray Imaging of Cavitation in Diesel Injectors,” SAE Congress, April, 2014.
Qingluan Xue, Michele Battistoni, Sibendu Som, Shaoping Quan, P. K. Senecal, Eric Pomraning, David Schmidt, “Eulerian CFD Modeling of Coupled Nozzle Flow and Spray with Validation against X-ray Radiography Data,” SAE Congress, April, 2014.
Karl Georg Stapf, Sandeep Menon, David Schmidt, Michael Rieß, Marc Sens, “Charge Motion and Mixture Formation Analysis of a DISI Engine Based on an Adaptive Parallel Mesh Approach,” SAE Congress, April, 2014.
David P. Schmidt, Eli Baldwin, Sukanta Rakshit, “Modeling the Internal Flow through Spray A and Spray H Nozzles from the Engine Combustion Network,” 25th Annual Conference on Liquid Atomization and Spray Systems, Pittsburgh, PA, May 2013.
Federico Brusiani, Sergio Negro, Gian Marco Bianchi, Maryam Moulai, Kshitij Neroorkar, David Schmidt, “Comparison of the Homogeneous Relaxation Model and a Rayleigh Plesset Cavitation Model in Predicting the Cavitating Flow Through Various Injector Hole Shapes,” SAE Paper 2013-01-1613, April 2013.
Jose María García-Oliver, Jose Manuel Pastor, Adrian Pandal, Nathaniel Trask, David P. Schmidt, “Assessment of an Eulerian atomization model on Diesel Spray CFD simulations,” ICLASS, Heidelberg, September, 2012.
Kyle G. Mooney and David P. Schmidt, “Finite Volume Simulations of the Collision of Viscoelastic Droplets using Adaptive Re-meshing and Explicit Interface Tracking,” ICLASS, Heidelberg, September, 2012.
Sukanta Rakshit and David P. Schmidt, “Simulating cavitating flow in fuel injector nozzles with an equilibrium-based model,” 24th Annual Conference on Liquid Atomization and Spray Systems, San Antonio, TX, May 2012.
K.D. Neroorkar, C.E. Mitcham, A.H. Plazas, R.O. Grover, Jr and D.P. Schmidt, “Simulations and Analysis of Fuel Flow in an Injector Including Transient Needle Effects,” 24th Annual Conference on Liquid Atomization and Spray Systems, San Antonio, TX, May 2012.
Joseph Bliss, David Schmidt, James Smith, Kshitij Neroorkar, “Model Constant Optimization Using An Ensemble of Experimental Data”, SAE Paper 2012-01-0131, April 2012.
Kshitij Neroorkar, Bradley Shields, Ronald O. Grover, Jr., Alejandro Plazas Torres,David Schmidt, “Application of the Homogeneous Relaxation Model to Simulating Cavitating Flow of a Diesel Fuel”, SAE Paper 2012-01-1269 , April 2012.
J. Lee , M. Corn , and D. Schmidt, “Flash Atomization of a Superheated Jet Fuel,” Technical Meeting of the Eastern State Combustion Institute, Oct. 2011.
Paul Dauenhauer, Andrew R. Teixeira, David P. Schmidt, and Kyle G. Mooney, “Cellulose Pyrolysis Residence Time Distribution and the Mechanism of Reactive Boiling Ejection of Aerosols from Biomass,” AICHE Conference, Minneapolis, to Oct. 2011.
Bradley Shields, Kshitij Neroorkar, and David P. Schmidt, “Cavitation as Rapid Flash Boiling,” ILASS-Americas 23rd Annual Conference on Liquid Atomization and Spray Systems, Ventura, CA, May 2011.
Kyle G. Mooney, Sharon Snyder, P. E. Sojka, and David P. Schmidt, “Simulation and Experimental Studies of Shear-Thinning Droplet Breakup,” ILASS-Americas 23rd Annual Conference on Liquid Atomization and Spray Systems, Ventura, CA, May 2011.
K. Neroorkar and D.P. Schmidt, “A Computational Investigation of Flash-Boiling Multi-hole Injectors with Gasoline-Ethanol Blends,” SAE Paper 2011-01-0384, April 2011.
Thomas W. Furlong, Michael Colarossi, Mark J. Bergander, David P. Schmidt,” Computational and Thermodynamic Investigation of Condensing Injector Theory and Applications,” International Refrigeration and Air Conditioning Conference at Purdue, July 12-15, 2010.
Nathaniel Trask and David P. Schmidt, “A Prediction of Primary Atomization for a Subsonic Spray in Crossflow Using the Sigma − Y Model,” ILASS Americas Conference, Cincinnati, Ohio, May 2010.
Kyle Mooney, Sandeep Menon, and David P. Schmidt, “A Computational Study of Viscoelastic Droplet Collisions,” ILASS Americas Conference, Cincinnati, Ohio, May 2010.
T. Blake, D. Schmidt, M. Samel, K. Jakus and T. Witman, “Classification of micron and submicron particles with a louver type inertial separator operating at sub-atmospheric pressure,” World Congress on Particle Technology WCPT6, Nurnberg, April 2010.
Nathaniel Trask, J. Blair Perot, David P. Schmidt, Terry Meyer, Malissa Lightfoot, Steven Danczyk, “Modeling of the Internal Two-Phase Flow in a Gas-Centered Swirl Coaxial Fuel Injector,” 48th AIAA Aerospace Sciences Meeting, Orlando, FL, 2010.
J. Lee, M. Corn, C. Fotache, S. Gopalakrishnan, C. Fotache, D. Schmidt, “Atomization of A Superheated Jet Fuel,” Eastern States Combustion Symposium, Fall Meeting, 2009.
David Schmidt and Michael Colarossi, Mark J. Bergander, “Multidimensional Modeling of Two-Phase Condensing Ejector Flow,” International Seminar on ejector/jet-pump technology and application, Louvain-la-Neuve, Belgium, 2009.
K. D. Neroorkar, S. Gopalakrishnan and D. P. Schmidt, R.O.Grover, Jr., “Simulation of Flash-Boiling in Pressure Swirl Injectors,” 11th Triennial International Conference on Liquid Atomization and Spray Systems, Vail, Colorado USA, July 2009.
David P. Schmidt, Sukanta Rakshit, and Kshitij Neroorkar, “Thermal and Inertial Equilibrium in Small, High-Speed, Cavitating Nozzle Simulations,” 11th Triennial International Conference on Liquid Atomization and Spray Systems, Vail, Colorado USA, July 2009.
Sandeep Menon, Jonathan Rothstein and David P. Schmidt, “A Numerical Study of Axi-symmetric Droplet Formation Using A Moving Mesh Approach,” 11th Triennial International Conference on Liquid Atomization and Spray Systems, Vail, Colorado USA, July 2009.
Mark J. Bergander, David P. Schmidt, David A. Hebert, Jerzy Wojciechowski, Mateusz Szklarz, “Condensing Ejector For Second Step Compression In Refrigeration Cycles,” International Refrigeration and Air Conditioning Conference at Purdue, July 14-17, 2008.
Sandeep Menon, Jonathan Rothstein and David P. Schmidt, Zeljko Tukovic, “Simulating Non-Newtonian Droplet Formation With A Moving-Mesh Method,” ILASS Americas, Orlando, Florida, May 2008.
David A. Hebert, David P. Schmidt, Darin A. Knaus, Scott Phillips, Patrick J. Magari, “Parallel VOF Spray Droplet Identification in an Unstructured Grid,” ILASS Americas, Orlando, Florida, May 2008.
S. Gopalakrishnan and David P. Schmidt, “Multidimensional Simulation of Flash-Boiling Fuels in Injector Nozzles,” ILASS Americas, Orlando, Florida, May 2008.
J. Lee, R. Madabhushi, C. Fotache, S. Gopalakrishnan, , and D. Schmidt, “Flashing Flow of Superheated Jet Fuel,” Combustion Symposium, Toronto, 2008.
Shuhai Hou, David P. Schmidt, “Interaction Mechanisms Between Closely Spaced Sprays,” SAE Congress, Detroit, Paper 2008-01-0946, 2008.
David P. Schmidt, Stefano Toninel, Salvatore Filippone, Gian-Marco Bianchi, “Parallel Computation of Mesh Motion for CFD of IC Engines”, SAE Congress, Detroit, Paper 2008–01–0976, 2008.
Shaoping Quan, David P. Schmidt, P. S. Ayyaswamy, “Numerical Simulation of Modulated Jet using Direct Interface Tracking Method with Adaptive Mesh Refinement,” 7th World Congress on Computational Mechanics, Los Angeles, CA, July, 2006.
Michael J. O’Brien, Shuhai Hou, and David P. Schmidt, “Spatial Error and Artful Dodges in Lagrangian/Eulerian Spray Simulations,” ILASS Conference, Toronto, 2006.
Shaoping Quan, S. Gopalakrishnan and David P. Schmidt, “Effect of Droplet Distortion on the Drag Coefficient in Accelerated Flows,” ILASS Conference, Toronto, 2006.
Meizhong Dai, Shaoping Quan, S. Gopolakrishnan, and David P. Schmidt, “Direct Numerical Simulation of Multiphase Flows,” ONR Contractors Meeting, Monterey, CA, 2005.
Meizhong Dai and David P. Schmidt, “Numerical Simulation of Droplet Collision Using a Moving Mesh Method,” ILASS Conference, Irvine CA, 2005.
Shuhai Hou and David P. Schmidt, “Interaction Mechanisms Between Closely Spaced Sprays From Micro-Hole Nozzles,” ILASS Conference, Irvine CA, 2005.
J. B. Perot and D. Schmidt, “Unstructured Adaptive Moving Mesh Solution of Unsteady Shear Flows and Free Surface Flows,” Proceedings of the 4th International Symposium on Turbulence and Shear Flow Phenomena, Williamsburg, VA, June 2005.
Shaoping Quan and David P. Schmidt, “An Interface Tracking With Moving Mesh for Simulation of Three-Dimensional Two-Phase Flows, ILASS Conference, Irvine CA, 2005.
Andreas M. Lippert, Shengming Chang, Sasanka Are, David P. Schmidt, “Mesh Independence and Adaptive Mesh Refinement for Advanced Engine Spray Simulations,” SAE Congress, Detroit, Paper 2005-01-0207, 2005.
Meizhong Dai, Shaoping Quan, and David P. Schmidt, “Two Phase Flow Calculations with Interface Tracking,” ONR Propulsion Meeting, Cambridge, MA, 2004.
Meizhong Dai, Shaoping Quan and David P. Schmidt, “Direct Numerical Simulation of Multiphase Flows,” ILASS Conference, Arlington VA., 2004.
David P. Schmidt, “High Spatial Accuracy in Gas-to-Liquid Coupling in Eulerian/Lagrangian CFD,” ILASS Conference, Arlington VA., 2004.
Shuhai Hou and David P. Schmidt, “Modeling Droplet Collision With Adaptive Meshing and Updated Outcomes,” SAE Congress, Detroit, 2004, Paper 2004-01-0533.
Meizhong Dai, Shaoping Quan, and David P. Schmidt, “New Numerical Methods in Two-Phase Flow,” ONR Propulsion Meeting, Stanford, Dec. 2003.
Sasanka Are, Shuhai Hou, and David P. Schmidt, “Second Order Spatial Accuracy in Spray Calculations,” ICLASS, Sorrento, Italy, 2003.
Meizhong Dai and David P. Schmidt, “Calculation of Ligament and Droplet Dynamics,” Int’l Colloq. on Combustion and Noise Control, Cranfield UK, August 2003.
David P. Schmidt, Meizhong Dai, and Shaoping Quan, “Direct Simulation of Primary Atomization,” ONR Propulsion Meeting, Los Angeles, July, 2003.
Shuhai Hou, Sasanka Are, David P. Schmidt, “A Generalized Adaptive Collision Mesh for Multiple Injector Orifices,” Multi-dimensional Engine Modeler's User Group Meeting, Detroit, 2003.
David P. Schmidt, “Direct Simulation of Primary Atomization,” ONR Contractors Meeting, 2002.
Meizhong Dai, J. Blair Perot, David P. Schmidt, “Heat Transfer within Deforming Droplets,” Fall ASME ICE Meeting, New Orleans, 2002.
Meizhong Dai, Haoshu Wang, J. Blair Perot, and David P. Schmidt, “A Numerical Method for Interface Tracking”, 15th ILASS Meeting, Madison, WI, 2002.
David P. Schmidt and C.J. Rutland, “Reducing Grid Dependency in Droplet Collision Calculations,” Fall ASME ICE Meeting, Argonne National Laboratory, 2001.
David Schmidt, et al., “Review and Assessment of Fuel Effects and Research Needs in Clean Diesel Technology,” Spring ASME ICE Meeting, Philadelphia, 2001.
David P. Schmidt and C.J. Rutland, “Numerical Issues in Droplet Collision Modeling,” Multi-dimensional Engine Modeler's User Group Meeting, Detroit, 2001.
David P. Schmidt, M. L. Corradini, and C. J. Rutland, “A Two-Dimensional, Non-Equilibrium Model of Flashing Nozzle Flow,” 3rd ASME/JSME Joint Fluids Engineering Conference, 1999.
Jeffrey A. Hoffman, Idriss Nouar, David P. Schmidt, Jay K. Martin, and Chris Rutland, “The Experimental Comparison of a Single-Liquid High-Pressure Spray Model,” ILASS-98 Americas Conference, Sacramento, 1998.
David P. Schmidt and M. L. Corradini, “Extending Cavitation Models to Subcooled and Superheated Nozzle Flow,” Nureth-8 Conference, Japan, 1997.
David P. Schmidt and M. L. Corradini, “One-Dimensional Analysis of Cavitating Orifices,” ILASS-96 Americas Conference, San Francisco, 1996.
David P. Schmidt, T.-F. Su, K. H. Goney, P. V. Farrell, and M. L. Corradini, “Detection of Cavitation in Fuel Injector Nozzles,” Transport Phenomena in Combustion, ed. S. H. Chan, Taylor and Francis, 1996

Honors

Lewis F. Moody Award for Outstanding Original Paper in 2017 FED Conference, July 2018.
Marshall Award for Best Paper at the 2016 ILASS North Americas Conference, May 2017.
Norman Chigier Award for Reviewing Excellence, given by the American Editor-in-Chief of Atomization and Sprays, 2017.
College of Engineering Outstanding Teacher Award, 2017.
Appointed SAE Fellow, April 2017.
Recognition of Excellence in Oral Presentation for “X-Ray Radiography and CFD Studies of the Spray G Injector,” SAE World Congress and Exposition, 2016.
Recognition of service to the Institute of Liquid Atomization and Spray Systems, 2015.
Ralph R. Teetor Educational Award, Society of Automotive Engineering, 2009.
Awarded Fellowship by the Institute for Advanced Studies, University of Bologna, 2006.
Best Paper in Conference, ASME Internal Combustion Engine Division, 2003.
College of Engineering Commencement Speaker, 2003.
Student-selected Mechanical Engineering Professor of the Year, 2003.
Student-selected Mechanical Engineering Advisor of the Year, 2003.
Office of Naval Research Young Investigator Award, 2002.

Links

CV:

cv11.pdf

Jonathan P. Rothstein

Professor

Gunness Lab 16

16 Gunness Lab
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

rothstein@ecs.umass.edu

(413) 577-0110

(413) 545-1027

Personal Homepage

Horizontal Tabs

Education

B.S., The Cooper Union, 1996;
M.S., Harvard University, 1998;
Ph.D., Massachusetts Institute of Technology, 2001

Research

Dynamics of complex fluids; Non-Newtonian fluid dynamics; non-isothermal flow; hydrodynamics stability; optical measurement techniques; microfluidics; laminar and turbulent drag redution; rheology and polymer processing

Program Area:

Mechanical Engineering

Research Area:

Fluid Dynamics

Publications

Rothstein, J. P., "Transient extensional rheology of wormlike micelle solutions," J. Rheol., 47 (2003) 1227-1247.
Ou, J., Perot, J. B., and Rothstein, J. P., "Laminar drag reduction in microchannels using ultrahydrophobic surfaces," Phys. Fluids, 16 (2004) 4635-4660.
Daniello, R., Waterhouse, N. E., and Rothstein, J. P., "Turbulent drag reduction using superhydrophobic surfaces," Phys. Fluids, 21 (2009) 085103.
Rothstein, J. P., "Slip on Superhydrophobic Surfaces," Annu. Rev.Fluid Mech., 42 (2010) 89-109.
T.B. Bush, Z. Khalkhali, V.K. Champagne, D.P. Schmidt, J.P. Rothstein, Optimization of cold spray deposition of high-density polyethylene powders, J. Therm. Spray Technol., 26 (2017) 1548-1564.
S. Khandavalli, J.P. Rothstein, Ink Transfer of Non-Newtonian Fluids in Gravure Printing: The Effect of Shear and Extensional Deformation, J. Non-Newtonian Fluid Mech., 243 (2017) 16-26.
J.-H. Kim, J.P. Rothstein, Role of interface shape on the laminar flow through an array of superhydrophobic pillars, Microfluid Nanofluid, 21 (2017) 78.
A.A. Dey, Y. Modarres-Sadeghi, J.P. Rothstein, Viscoelastic fluid-structure interactions between a flexible cylinder and wormlike micelle solution, Phys. Rev. Fluids, 3 (2018) 063301.
S. Sur, J.P. Rothstein, Drop breakup dynamics of dilute polymer solutions: Effect of molecular weight, concentration and viscosity J. Rheol., 62 (2018) 1245-1259

Honors

Society of Rheology Distinguished Service Award (2019)
University of Massachusetts – Amherst College of Engineering Outstanding Teacher Award (2015)
Arthur B. Metzner Early Career Award from the Society of Rheology in recognition of outstanding accomplishments in the field of rheology (2009).
Barbara H. and Joseph I. Goldstein Outstanding Junior Faculty Award from the University of Massachusetts College of Engineering (2007)
Office of Naval Research (ONR) Young Investigator Award (2005)
National Science Foundation CAREER Award Recipient (2005)
3M Nontenured Faculty Award (2003)
Frenkiel Award from the American Physical Society Division of Fluid Dynamics in recognition of significant contributions to fluid mechanics published in Physics of Fluids. (2002)

Links

CV:

Rothstein CV 2018 Detailed.pdf

Matthew A. Lackner

Professor

ELab 324

324 ELab
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

lackner@ecs.umass.edu

(413) 545-4713

(413) 545-1027

Wind Energy Center

Horizontal Tabs

Education

B.S.E., Princeton University, 2002;
M.S., Massachusetts Institute of Technology, 2004;
Ph.D., University of Massachusetts Amherst, 2007

Research

Offshore deep water wind energy; Wind turbine aerodynamics; Offshore wind turbine load mitigation and structural control; Smart wind turbine rotor control

Students interested in graduate research should see these two sites for open opportunities:
https://windenergyigert.umass.edu/apply
http://www.umass.edu/windenergy/study.requirements.php

Program Area:

Mechanical Engineering

Research Area:

Publications

Please see my Google Scholar page.

Title	Cited by	Year
Probability distributions for offshore wind speeds EC Morgan, M Lackner, RM Vogel, LG Baise Energy Conversion and Management 52 (1), 15-26	440	2011
Passive structural control of offshore wind turbines MA Lackner, MA Rotea Wind energy 14 (3), 373-388	305	2011
Structural control of floating wind turbines MA Lackner, MA Rotea Mechatronics 21 (4), 704-719	222	2011
A comparison of smart rotor control approaches using trailing edge flaps and individual pitch control MA Lackner, G van Kuik Wind Energy: An International Journal for Progress and Applications in Wind …	208	2010
Characterization of the unsteady aerodynamics of offshore floating wind turbines T Sebastian, MA Lackner Wind Energy 16 (3), 339-352	143	2013

Links

CV:

Matthew Lackner CV 2020.pdf

Blair Perot

Professor

Marston 210A

210A Marston Hall
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

perot@ecs.umass.edu

(413) 545-3925

(413) 545-1027

Theoretical and Computational Fluid Dynamics

Horizontal Tabs

Education

B.S.E., Princeton University, 1987;
M.S., Stanford University, 1989;
Ph.D., Stanford University, 1994

Research

Turbulence Modeling; Computational Fluid Dynamics; Numerical Methods; Supercomputers & Parallel Computation; Droplets, Hydrophobic Surfaces, and Micro Flows

Program Area:

Mechanical Engineering

Research Area:

Publications

Y. Song and J. B. Perot, CFD Simulation of the NREL Phase VI Rotor , Wind Engineering, 39 (3), 299–310, 2015. doi: 10.1260/0309-524X.39.3.299
T. P. Eiting, J. B. Perot, E. R. Dumont, How much does nasal cavity morphology matter? Patters and rates of olfactory airflow in phyllostomid bats, Proceedings of the Royal Society B – Biological Sciences, 7:282 (1800) :20142161, 2015. doi: 10.1098/rspb.2014.2161.
B. Koren, R. Abgrall, P. Bochev, J. Frank and J. B. Perot Physics-compatible Numerical Methods, Journal of Computational Physics, 257 B, 1039-1526, 2014, doi: 10.1016/j.jcp.2013.10.015
C. J. Zusi and J. B. Perot, Simulation and Modeling of Turbulence Subjected to a Periods of Axisymmetric Contraction or Expansion, Physics of Fluids, 26, 115103, 2014; http://dx.doi.org/10.1063/1.4901188
T.P. Eiting, T. D. Smith, J. B. Perot and E. R. Dumont, The Role of the Olfactory Recess in Olfactory Airflow, Journal of Experimental Biology, 217 (10), 1799-1803, 2014, doi:10.1242/jeb.097402
J. B. Perot and C. J. Zusi, Differential Forms for Scientists/Engineers, Journal of Computational Physics, 257B, 1373–1393, 2014. DOI: 10.1016/j.jcp.2013.08.007
C. J. Zusi and J. B. Perot, Simulation and Modeling of Turbulence Subjected to a Period of Uniform Plane Strain, Physics of Fluids, 25, 110819, 2013, DOI: 10.1063/1.4821450
S.V. Kathuria, A. Chan, R. Graceffa, R. Nobrega, C. R.Matthews, T. C. Irving, J. B. Perot, O. Bilsel, Advances in turbulent mixing techniques to study microsecond protein folding reactions. Biopolymers, 99 (11), 888-896, 2013. DOI: 10.1002/bip.22355
A. Khajeh-Saeed, and J. B. Perot, Direct Numerical Simulation of Turbulence Using GPU Accelerated Supercomputers, Journal of Computational Physics, 235, 241-257, 2013.
M. B. Martell and J. B. Perot, The Oriented-Eddy Collision Model, Flow Turbulence and Combustion, 89 (3), 335-359, 2012.
A. Khajeh-Saeed, and J. B. Perot, Computational Fluid Dynamics Simulations using Many Graphics Processors, Computing in Science and Engineering, 14 (3), 10-19, 2012.
J. B. Perot, Determination of the Decay Exponent in Mechanically Stirred Isotropic Turbulence, Advances in Physics, 1, 022104, 2011.
J. B. Perot, Discrete Conservation Properties of Unstructured Mesh Schemes, Annual Reviews of Fluid Mechanics, 43, 299–318, 2011.
A. Khajeh-Saeed and J. B. Perot, Chapter 13: GPU-Supercomputer Acceleration of Pattern Matching, GPU Computing Gems, Emerald Edition, Wen-mei Hwu editor, Elsevier Inc, pp 185-198, 2011.

Honors

N.W.O.Visiting Professor, Delft University of Technology, 2010-2011
Professor of the Year, ASME Student Society, 2008, 2010.
J.M. Burgers Visiting Professor, Delft University of Technology, Netherlands, 2003-2004
Lilly Fellowship, Center for Teaching, 2002-2003.
Joseph Goldstein Award for Outstanding Junior Faculty, University of Massachusetts, 2002.
College Outstanding Teacher Award, University of Massachusetts, 2002.
STEMTEC Fellow, Five Colleges, 2002.
College Outstanding Advisor Award, University of Massachusetts, 2000.
Terman Graduate Fellowship, Stanford University, 1988-1989.
Summa Cum Laude (Highest Honors), Princeton University, 1987.
Phi Beta Kappa, National Honor Society, Princeton University, 1987.
Tau Beta Pi, Engineering Honor Society, Princeton University, 1986.

Links

CV:

vitae_21_shorter.pdf

Yahya Modarres-Sadeghi

Professor

Graduate Program Director

Gunness 10B
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

modarres@engin.umass.edu

(413)545-2468

(413) 545-1027

Fluid-Structure Interactions Lab

Horizontal Tabs

Education

B.S., Sharif University of Technology, Tehran, Iran, 1998
M.S., University of Tehran, Tehran, Iran, 2001
Ph.D., McGill University, Montreal, Canada, 2006

Research

Fluid-Structure Interactions, Flow-Induced Vibrations, Nonlinear Dynamics, Chaos Random Vibrations, Off-Shore Wind Turbines, Stability of Wind Turbine Blades

Program Area:

Mechanical Engineering

Research Area:

Publications

B. Benner, D.W. Carlson, B. Seyed-Aghazadeh, Y. Modarres-Sadeghi (2019). Vortex-Induced Vibration of Symmetric Airfoils used in Vertical-Axis Wind Turbines. Journal of Fluids and Strcutures. published online. Abstract
T.D. Gurian, T. Currier, Y. Modarres-Sadeghi (2019). Flow Force Measurements and the Wake Transition in Purely Inline Vortex-Induced Vibration of a Circular Cylinder. Physical Review Fluids. 4, 034701 Abstract.
B. Seyed-Aghazadeh, M. Edraki, Y. Modarres-Sadeghi (2019). The Effect of Boundary Conditions on Vortex-Induced Vibration of a Fully-Submerged Flexible Cylinder. Experiments in Fluids. 60:38. Abstract.
N.A. Capell, D.W. Carlson, Y. Modarres-Sadeghi (2019). Vortex-Induced Vibration of a Single Degree-of-Freedom Flexibly-Mounted Horizontal Cylinder Near the Free Surface. Journal of Sound and Vibration. 444, 161-175. Abstract.
A.A. Dey, Y. Modarres-Sadeghi, J.P. Rothstein (2018). Viscoelastic Fluid-Structure Interactions between a Flexible Cylinder and Wormlike Micelle Solution. Physical Review Fluids. 3, 063301. Abstract.
D.W. Carlson, Y. Modarres-Sadeghi (2018). Vortex-Induced Vibration of Spar Platforms for Floating Offshore Wind Turbines. Wind Energy. Abstract.
B. Seyed-Aghazadeh, Y. Modarres-Sadeghi (2018). An Experimental Study to Investigate the Validity of the Independence Principle for Vortex-Induced Vibration of a Flexible Cylinder over a Range of Angles of Inclination. Journal of Fluids and Structures. Abstract.
B. Liu, S. Han, B. Hedrick, Y. Modarres-Sadeghi, M.E. Lynch (2018). Perfusion applied to a 3D model of bone metastasis results in evenly dispersed mechanical stimuli. Biotechnology and Bioengineering. 115, 1076-1085. Abstract.
G.H. Chang, Y. Modarres-Sadeghi (2017). Flow-Induced Buckling of Flexible Shells with Non-zero Gaussian Curvatures and Thin Spots. Soft Matter.13, 2465-2474. Abstract.
B. Seyed-Aghazadeh, D.W. Carlson, Y. Modarres-Sadeghi (2017). Vortex-Induced Vibration and Galloping of Prisms with Triangular Cross-Sections Placed in Water Flow. Journal of Fluid Mechanics. 817, 590-618. Abstract.
G.H. Chang, C.M. Schirmer, Y. Modarres-Sadeghi (2017). A Reduced Order Model for Wall Shear Stress in Abdominal Aortic Aneurysms by Proper Orthogonal Decomposition. Journal of Biomechanics. 54, 33-43. Abstract.
A.A. Dey, Y. Modarres-Sadeghi, J.P. Rothstein (2017). Experimental Observation of Viscoelastic Fluid-Structure Interactions. Journal of Fluid Mechanics. 813, R5 (14 pages). Abstract.
Y. Modarres-Sadeghi (2016). The Inside View of an Oscillating Pipe. Focus on Fluids, Journal of Fluid Mechanics , 808, 1-4. Abstract.
P. Pourazarm, L. Caracoglia, M. Lackner, Y. Modarres-Sadeghi (2016). Perturbation Methods for the Reliability Analysis of Wind-Turbine Blade Failures due to Flutter. Journal of Wind Engineering & Industrial Aerodynamics, 156, 159-171. Abstract.
B. Seyed-Aghazadeh, Y. Modarres-Sadeghi (2016). Reconstructing Vortex-Induced-Vibration Response of Flexible Cylinders Using Limited Localized Measurement Points. Journal of Fluids and Structures, 65, 433-446. Abstract.
M.A. Benitz, D.W. Carlson, B. Seyed-Aghazadeh, Y. Modarres-Sadeghi, M.A. Lackner, D.P. Schmidt (2016). CFD Simulations and Experimental Measurements of Flow Past Free-Surface Piercing, Finite Length Cylinders with Varying Aspect Ratios. Computers and Fluids, 136, 247-259. Abstract.
G.H. Chang, Y. Modarres-Sadeghi (2016). Flow-Induced Instabilities of Shells of Revolution with Non-zero Gaussian Curvatures Conveying Fluid. Journal of Sound and Vibration, 363, 600-612. Abstract.
P. Pourazarm, Y. Modarres-Sadeghi, M. Lackner (2016). A Parametric Study of Coupled-Mode Flutter for MW-size Wind Turbine Blades. Wind Energy, Abstract.
M. Reiland, B. Kane, Y. Modarres-Sadeghi, H.D.P. Ryan (2015). The Effect of Leaves and Steel Support Cables on the Dynamic Properties of Red Oak (Quercus Rubra) with Co-dominant Stems. Urban Forestry and Urban Greening, 14, 844-850. Abstract.
P. Pourazarm, M. Lackner, Y. Modarres-Sadeghi (2015). Period-Doubling Route to Chaos in a Two-Degree-of-Freedom Plate Placed in Water. Journal of Fluids and Structures, 57, 375-390. Abstract.
B. Seyed-Aghazadeh, C. Budz, Y. Modarres-Sadeghi (2015). The Influence of Higher Harmonic Flow Forces on the Response of a Curved Circular Cylinder Undergoing Vortex-Induced Vibration. Journal of Sound and Vibration, 353, 395-406. Abstract.
B. Seyed-Aghazadeh, Y. Modarres-Sadeghi (2015). An Experimental Investigation of Vortex-Iinduced Vibration of a Rotating Circular Cylinder in the Crossflow Direction. Physics of Fluids, 27, 067101. Abstract.
S. Ladge, Y. Modarres-Sadeghi (2015). Supercritical and Subcritical Dynamic Flow-Induced Instabilities of a Small-Scale Wind Turbine Blade Placed in Uniform Flow. Journal of Fluids and Structures, 54, 936-946. Abstract.
P. Pourazarm, L. Caracoglia, M. Lackner, Y. Modarres-Sadeghi (2015). Stochastic Analysis of Flow-Induced Dynamic Instabilities of Wind Turbine Blades. Journal of Wind Engineering & Industrial Aerodynamics, 137, 37-45. Abstract.
B. Seyed-Aghazadeh, D. Carlson, Y. Modarres-Sadeghi (2015). The Influence of Taper Ratio on Vortex-Induced Vibrations of Tapered Cylinders in the Crossflow Direction. Journal of Fluids and Structures, 53, 84-95. Abstract.
H. Zheng, R.E. Price, Y. Modarres-Sadeghi, M.S. Triantafyllou (2014). On Fatigue Damage of Long Flexible Cylinders due to the Higher Harmonic Force Components and Chaotic Vortex-Induced Vibrations. Ocean Engineering, 88, 318-329. Abstract.
C. Grouthier, S. Michelin, R. Bourguet, Y. Modarres-Sadeghi, E. de Langre (2014). On the Efficiency of Energy Harvesting Using Vortex-Induced Vibrations of Cables. Journal of Fluids and Structures, 49, 427-440. Abstract.
G.H. Chang, Y. Modarres-Sadeghi (2014). Flow-Induced Oscillations of a Cantilevered Pipe Conveying Fluid with Base Excitation, Journal of Sound and Vibration, 333, 4265-4280. Abstract.
S.M. Cox, D. Schmidt, Y. Modarres-Sadeghi, S.N. Patek (2014). A Physical Model of the Extreme Mantis Shrimp Strike: Kinematics and Cavitation of Ninjabot. Bioinsiprations and Biomimetics, 9, 016014. Abtract.
B. Kane, Y. Modarres-Sadeghi, K.R. James, M. Reiland (2014). Effects of Crown Structure on the Sway Characteristics of Large Decurrent Trees. Trees - Structure and Function, 28, 151-159. Abstract.
A. Jain, Y. Modarres-Sadeghi (2013). Vortex-Induced Vibrations of a Flexibly-Mounted Inclined Cylinder. Journal of Fluids and Structures, 43, 28-40. Abstract.
C. Grouthier, S. Michelin, Y. Modarres-Sadeghi, E. de Langre (2013). Self-Similar Vortex-Induced Vibrations of a Hanging String. Journal of Fluid Mechanics, 724, R2. Abstract.
Y. Modarres-Sadeghi, M.P. Paidoussis (2013). Chaotic Oscillations of Long Pipes Conveying Fluid in the Presence of a Large End-Mass, Computers and Structures, 122, 192-201. Abtract.
R. Bourguet, Y. Modarres-Sadeghi, G.E. Karniadakis, M.S. Triantafyllou (2011). Wake-Body Resonance of Long Flexible Structures is Dominated by Counter-Clockwise Orbits, Physical Review Letters, 107, 134502. Abstract.
M.H. Ghayesh, M.P. Paidoussis, Y. Modarres-Sadeghi (2011). Three-Dimensional Dynamics of a Fluid-Conveying Cantilevered Pipe with an Additional Spring-Support and an End-Mass, Journal of Sound and Vibration, 330, 2869-2899. Abtract.
Y. Modarres-Sadeghi, F. Chasparis, M.S. Triantafyllou, M. Tognarelli, P. Beynet (2011). Chaotic Response is a Generic Feature of Vortex Induced Vibrations of Flexible Risers, Journal of Sound and Vibration, 330, 2565�2579. Abstract.
J. Conte, Y. Modarres-Sadeghi, M.N. Watts., F.S. Hover, M.S. Triantafyllou (2010). A Fast-Starting Robotic Fish that Accelerates at 40 ms-2. Journal of Bioinspiration and Biomimetics, 5 035004. Abstract
Y. Modarres-Sadeghi, H. Mukundan, J.M. Dahl, F.S. Hover, M.S. Triantafyllou (2010). The Effect of Higher Harmonic Forces on Fatigue Life of Marine Risers. Journal of Sound and Vibration, 329, 43-55. Abstract
H. Mukundan, Y. Modarres-Sadeghi, J.M. Dahl, F.S., Hover, M.S. Triantafyllou (2009). Monitoring Fatigue Damage on Marine Risers. Journal of Fluids and Structures, 25, 617-628. Abstract
Y. Modarres-Sadeghi, M.P. Paidoussis (2009). Nonlinear Dynamics of Extensible Fluid-Conveying Pipes, Supported at Both Ends, Journal of Fluids and Structures, 25, 535-543. Abstract
Y. Modarres-Sadeghi, M.P. Paidoussis, C. Semler, E. Grinevich (2008). Experiments on Vertical Slender Flexible Cylinders Clamped at Both Ends and Subjected to Axial Flow. Philosophical Transactions of the Royal Society A, 366, 1275-1296. Abstract
Y. Modarres-Sadeghi, M.P. Paidoussis, C. Semler (2008). Three Dimensional Oscillations of a Cantilever Pipe Conveying Fluid, International Journal of Non-Linear Mechanics, 43, 18-25. Abstract
Y. Modarres-Sadeghi, M.P. Paidoussis, C. Semler (2007). The Nonlinear Behaviour of a Slender Flexible Cylinder Pinned or Clamped at Both Ends and Subjected to Axial Flow, Computers and Structures, 85, 1121-1131. Abstract
Y. Modarres-Sadeghi, C. Semler, M. Wadham-Gagnon, M.P. Paidoussis (2007). Dynamics of Cantilevered Pipes Conveying Fluid. Part 3: Three-Dimensional Dynamics in the Presence of an End-Mass, Journal of Fluids and Structures, 23, 589-603. Abstract
E. de Langre, M.P. Paidoussis, O. Doare, Y. Modarres-Sadeghi (2007). Flutter of Long Cantilevered Cylinders in Axial Flow, Journal of Fluid Mechanics, 571, 371-389. Abstract
Y. Modarres-Sadeghi, M.P. Paidoussis, C. Semler (2005). A Nonlinear Model for an Extensible Slender Flexible Cylinder Subjected to Axial Flow, Journal of Fluids and Structures 21, 609-627. Abstract Addendum: 2006, 22, 597. Abstract

Jon G. McGowan

Professor

Gunness Lab 12

12 Gunness Lab
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

jgmcgowa@ecs.umass.edu

(413) 545-2756

(413) 545-1027

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Education

B.S., Carnegie Institute of Technology, 1961;
M.S., Stanford University, 1962;
Ph.D., Carnegie Institute of Technology, 1965

Research

Thermodynamics: heat transfer; fluid mechanics; thermal systems analysis

Program Area:

Mechanical Engineering

Research Area:

Publications

Please see my Google Scholar page.

Kasra Mohammadi, and Jon G. McGowan, “A thermo-economic analysis of a combined cooling system for air conditioning and low to medium temperature refrigeration,” Journal of Cleaner Production, 206, January 2019, pp 580-597
Kasra Mohammadi, and Jon G. McGowan. "A survey of hybrid water desalination systems driven by renewable energy based components." DESALINATION AND WATER TREATMENT 150, 2019, pp9-37
Andrew Swift, Suzanne Tegen, Tom Acker, James Manwell, Chris Pattison, Jon McGowan, “Graduate and Undergraduate University Programs in Wind Energy in the United States, Wind Engineering, 43, no.1, 2019, pp 35-46.
Kasra Mohammadi and Jon G. McGowan, “An efficient integrated trigeneration system for the production of dual temperature cooling and fresh water: Thermoeconomic analysis and optimization,” Applied Thermal Engineering, 145, Dec. 2018, pp652-666.
J .F. Manwell, J. G. McGowan, D. Breger,” A design and analysis tool for utility scale power systems incorporating large scale wind, solar photovoltaics and energy storage,”Journal of Energy Storage, 19, Oct. 2018, pp103-112.
K. Mohammadi, and J. G. McGowan, "Thermodynamic analysis of hybrid cycles based on a regenerative steam Rankine cycle for cogeneration and trigeneration,” Energy Conversion and Management, 158, 2018, pp 460-475.
Morgan, E., Manwell, J, McGowan, J.G.. "Sustainable Ammonia Production from U.S. Offshore Wind Farms: A Techo-Economic Review". "ACS Sustainable Chemistry and Engineering", vol 5, number 11, 2017, pp 9554-9567.
Kasra Mohammadi, Omid Alavi, Jon G. McGowan, “Use of Birnbaum-Saunders distribution for estimating wind speed and wind power probability distributions: A review,”Energy Conversion and Management, 143, July 2017, pp109-122.
Kasra Mohammadi and Jon G. McGowan, “Simulation and Characterization of a Hybrid Concentrated Solar Tower System for Co-Generation of Power and Fresh Water,” ASME Paper No: POWER-ICOPE2017-3758, 2017.
Carson Pete, Jon G. McGowan, and Walter Jaslanek, "Evaluating the Underwater Compressed Air Energy Storage Potential in the Gulf of Maine" Wind Engineering Journal, 39, No. 2, 2015.
E.R. Morgan, J.F. Manwell, J.G. McGowan, “Wind-Powered Ammonia Fuel Production for Remote Islands,” Renewable Energy, 72, 2014, pp51-61.
J. F. Manwell, J. G. McGowan, S. Brema, P. Verma, “A Comparative Study of a Three Rotor and a Single Rotor 5 MW Wind Turbine Based on Economic and Structural Considerations,” Wind Engineering, 38, No. 6, 2014
E.R. Morgan, J.F. Manwell, J.G. McGowan, ì Opportunities for Economies of Scale with Alkaline Electrolyzers, International Journal of Hydrogen Energy, 38, No. 36, 2015, pp. 15903-15909, December 2013
J.F. Manwell, J G. McGowan, A.R. Rogers, Wind Energy Explained, 2009, Wiley.

Robert W. Hyers

Professor

ELab 310

310 ELab
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

hyers@ecs.umass.edu

(413) 545-2253

(413) 545-1027

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Education

S.B., Massachusetts Institute of Technology, 1992;
Ph.D., Massachusetts Institute of Technology, 1998

Research

High-temperature materials; Condition monitoring and prognosis of structures; Physics-based modeling of materials processing and failure

Program Area:

Mechanical Engineering

Research Area:

Publications

R.W. Hyers, J.G. McGowan, K.L. Sullivan, J.F. Manwell, and B.C. Syrett, "Condition Monitoring and Prognosis of Utility-Scale Wind Turbines: A Critical Review", Energy Materials: Materials Science and Engineering for Energy Systems, vol. 1, no. 3, 2006, pp. 187-203.
J. Lee, R.C. Bradshaw, R.W. Hyers, , J.R. Rogers, T.J. Rathz, J.J. Wall, H. Choo, P.K. Liaw, "Non-Contact Measurement of Creep Resistance of Ultra-High-Temperature Materials", Materials Science and Engineering A, vol. 463, pp. 185-196, 2007.
D.M. Matson and R. W. Hyers, "Adiabatic Remelting of the Mushy-zone during Rapid Solidification", Philosophical Magazine, vol. 86, no. 24, 2006, pp. 3795-3807.
A. B. Hanlon, D. M. Matson, R. W. Hyers, "Internal Convective Effects on the Lifetime of the Metastable Phase in Undercooled Fe-Cr-Ni Alloys", Philosophical Magazine Letters, Vol. 86, No. 03, 2006, pp. 165 – 174.
R.W. Hyers, "Fluid Flow in Levitated Drops", invited review paper, Measurement Science and Technology, vol. 16, no. 2, 2005, pp. 394-401.

Honors

Brimacombe Medal, TMS, 2012
NASA Faculty Fellowship, 2012
Ralph R. Teetor Educational Award, SAE (Society of Automotive Engineers) International, 2008
Professor of the Year, Mechanical Engineering, 2006 and 2005, University of Massachusetts, Amherst.
Advisor of the Year, Mechanical Engineering, 2007 and 2004, University of Massachusetts, Amherst.
Editors’ Choice for Physics by Science (May 30, 2003, pp.1345-6) for our paper (Phys. Rev. Let. 90, 195504, May 2003).
NASA Special Service Award, 2000 and 2001.

Stephen de Bruyn Kops

Professor

Undergraduate Program Director

Marston 111A

111A Marston Hall
University of Massachusetts
160 Governors Drive
Amherst, MA 01003-2210

debk@acad.umass.edu

(413) 545- 0206

(413) 545-1027

Fluid Dynamics Lab

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Education

B.S., Swarthmore College, 1986;
M.S., University of Washington, 1995;
Ph.D., University of Washington, 1999

Research

Transitioning and turbulent flows; variable density; density stratified and chemically-reacting flows

Program Area:

Mechanical Engineering

Research Area:

Fluid Dynamics

Publications

Selected Papers

G. D. Portwood, S. M. de Bruyn Kops and C. P. Caulfield.
Asymptotic dynamics of high dynamic range stratified turbulence.
Phys. Rev. Let, 2019
URL portwood19a.pdf.
URL arXiv.

S. M. de Bruyn Kops and J. J. Riley.
The effects of stable stratification on the decay of initially isotropic homogeneous turbulence.
J. Fluid Mech., 860:787-821,2019
URL debk19.pdf.

G. D. Portwood, S. M. de Bruyn Kops, J. R. Taylor, H. Salehipour and C. P. Caulfield.
Robust identification of dynamically distinct regions in stratified turbulence
J. Fluid Mech., October R2, 2016.
URL portwood.pdf.

Movie Potential vorticity squared, case F3.

T. Watanabe, J. J. Riley, S. M. de Bruyn Kops, P. J. Diamessis, and Q. Zhou.
Turbulent/non-turbulent interfaces in wakes in stably stratified fluids.
J. Fluid Mech., June R1, 2016.
URL watanabe16a.pdf.

A. Muschinski and S. M. de Bruyn Kops.
Investigation of Hill's optical turbulence model by means of direct numerical simulation.
J. Opt. Soc. Am. A, 32(12):2423-2430, 2015.
URL muschinski15.pdf.

S. M. de Bruyn Kops.
Classical turbulence scaling and intermittency in stably stratified Boussinesq turbulence.
J. Fluid Mech., 775:436-463, 2015.
URL debk15.pdf.

P. U. Karanjkar, R. J. Coolman, G. W. Huber, M. T. Blatnik, S. Almalkie, S. M. de Bruyn Kops, T. J. Mountziaris, W. C. Conner.
Production of aromatics by catalytic fast pyrolysis of cellulose in a bubbling fluidized bed reactor
AIChE Journal, 60(4):1320-1335, 2014.
URL aic14376.pdf.

S. Almalkie and S. M. de Bruyn Kops.
Kinetic energy dynamics in forced, homogeneous, and axisymmetric stably stratified turbulence.
J. Turbulence, 13(29):1-29, 2012.
URL almalkie12a.pdf.

S. Almalkie and S. M. de Bruyn Kops.
Energy dissipation rate surrogates in incompressible Navier-stokes Turbulence.
J. Fluid Mech., 697:204-236, 2012.
URL almalkie12.pdf.

D. A. Hebert S. M. de Bruyn Kops.
Decaying turbulence with steady, non-uniform mean density stratification.
J. Fluid Mech., submitted.
URL hebert15.pdf.

K. J. Rao and S. M. de Bruyn Kops.
A mathematical framework for forcing turbulence applied to horizontally homogeneous stratified flow.
Phys. Fluids, 23: 065110, 2011.
URL rao11.pdf.
doi:10.1063/1.3599704.

B. L. Sawford and S. M. de Bruyn Kops.
Direct numerical simulation and lagrangian modeling of joint scalar statistics in ternary mixing.
Phys. Fluids, 20: 095106, 2008.
URL sawford08.pdf.

M. Mortensen and S. M. de Bruyn Kops.
Conditional velocity statistics in the double scalar mixing layer - a mapping closure approach.
Combustion Theory and Modelling, 12 (5): 929-941, 2008.
URL mortensen08.pdf.

M. Mortensen, S. M. de Bruyn Kops, and C. M. Cha.
Direct numerical simulation of the double scalar mixing layer. Part II: Reactive scalars.
Combust. Flame, 149 (4): 392-408, 2007.
URL mortensen07a.pdf.

Y. Jang and S. M. de Bruyn Kops.
Pseudo-spectral numerical simulation of miscible fluids with a high density ratio.
Comput. Fluids, 36: 238-247, 2007.
URL jang07.pdf.

J. B. Perot and S. M. de Bruyn Kops.
Modeling turbulent dissipation at low and moderate Reynolds numbers.
J. Turbulence, 7: 1-14, 2006.
URL perot06.pdf.

D. A. Hebert and S. M. de Bruyn Kops.
Predicting turbulence in flows with strong stable stratification.
Phys. Fluids, 18 (6): 1-10, 2006a.
URL hebert06b.pdf.

D. A. Hebert and S. M. de Bruyn Kops.
Relationship between vertical shear rate and kinetic energy dissipation rate in stably stratified flows.
Geophys. Res. Let., 33: L06602, 2006b.
URL hebert06a.pdf.
doi:10.1029/2005GL025071.

C. M. Cha, S. M. de Bruyn Kops, and M. M. Mortensen.
Direct numerical simulation of the double scalar mixing layer. Part I: Passive scalar mixing and dissipation.
Phys. Fluids, 18 (067106), 2006.
URL cha06a.pdf.

S. M. de Bruyn Kops and M. Mortensen.
Conditional mixing statistics in a self-similar scalar mixing layer.
Phys. Fluids, 17, 2005.
URL debk05a.pdf.
095107.

J. J. Riley and S. M. de Bruyn Kops.
Dynamics of turbulence strongly influenced by buoyancy.
Phys. of Fluids, 15 (7): 2047-2059, 2003.
URL riley03.pdf.

S. M. de Bruyn Kops, J. J. Riley, and K. B. Winters.
Reynolds and Froude number scaling in stably-stratified flows.
In Reynolds Number Scaling in Turbulent Flow. Kluwer, 2003.
URL debk03a.pdf.

S. M. de Bruyn Kops and J. J. Riley.
Large-eddy simulation of a reacting scalar mixing layer with Arrhenius chemistry.
Computers & Mathematics with Applications, 46 (4): 547-569, 2003.
URL debk03b.pdf.

S. M. de Bruyn Kops, J. J. Riley, and G. Kosály.
Direct numerical simulation of reacting scalar mixing layers.
Phys. Fluids, 13 (5): 1450-1465, 2001.
URL debk01a.pdf.

S. M. de Bruyn Kops and J. J. Riley.
Mixing models for large-eddy simulation of non-premixed turbulent combustion.
Journal of Fluids Engineering, 123 (2): 341-346, 2001.
URL debk01c.pdf.

S. M. de Bruyn Kops and J. J. Riley.
Re-examining the thermal mixing layer with numerical simulations.
Phys. Fluids, 12 (1): 185-192, 2000.
URL debk00a.pdf.

S. M. de Bruyn Kops, J. J. Riley, G. Kosály, and A. W. Cook.
Investigation of modeling for non-premixed turbulent combustion.
Flow, Turb. and Comb., 60 (1): 105-122, 1998.
URL debk98c.pdf.

S. M. de Bruyn Kops and J. J. Riley.
Direct numerical simulation of laboratory experiments in isotropic turbulence.
Phys. Fluids, 10 (9): 2125-2127, 1998a.
URL debk98b.pdf.

S. M. de Bruyn Kops and J. J. Riley.
Scalar transport characteristics of the linear-eddy model.
Combust. Flame, 112 (1/2): 253-260, 1998b.
URL debk98.pdf.

A. W. Cook, J. J. Riley, and S. M. de Bruyn Kops.
A subgrid-scale model for non-premixed turbulent combustion.
In Proceedings of the Eleventh Symposium on Turbulent Shear Flows, pages 16.13-16.18, Grenoble, France, 1997.
URL cook97e.ps.

Multiphase Flow Simulation Lab

Link to lab homepage:

MFSL Website

Power is fundamental to the existence of modern society. Without power, you couldn't be reading this web page, for example. However, the environmental consequences of our current methods of power generation are unsustainable. Our lab seeks to improve the performance and reduce the emissions of modern power systems by better understanding of the fuel/air mixing.

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