ProfessorGraduate Program Director Gunness 10B University of Massachusetts 160 Governors Drive Amherst, MA 01003-2210 modarres@engin.umass.edu(413)545-2468(413) 545-1027Fluid-Structure Interactions LabHorizontal TabsEducation 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 EngineeringResearch Area: Dynamic Systems & ControlsFluid Dynamics 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