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Research Abstracts Online
January 2010 - March 2011

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University of Minnesota Twin Cities
College of Science and Engineering
Department of Civil Engineering
St. Anthony Falls Laboratory

PI: Fotis Sotiropoulos, Fellow

High-Resolution Numerical Simulations of Environmental, Renewable Energy, and Biological Flows

The Computational Hydrodynamics and Biofluids Group at the St. Anthony Falls Laboratory is developing high resolution, fluid-structure interaction CFD models for simulating: physiologic blood flow in mechanical heart valves implanted in patient-specific anatomies; self-propelled aquatic swimming; flow past wind and hydrokinetic turbines; and turbulent flow and sediment transport in natural rivers with nature and man-made structures. The numerical algorithms integrate overset chimera grids with a versatile sharp-interface immersed boundary method for handling arbitrarily complex geometries with multiple moving immersed bodies. Both loose and strongly coupled fluid structure interaction algorithms have been developed and validated. The computer code has been parallelized with MPI.

Group Members

Suresh Behara, Research Associate
Aaron A. Boomsma, Graduate Student
Iman Boranzani, Research Associate
Antoni Calderer, Graduate Student
Diane de Zelicourt, School of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia
Cristian Escauriaza, Graduate Student
Mohammad Hajit, Graduate Student
Piak Joongcheol, Research Associate
Ali Khosronejad, Research Associate
Trung Le, Graduate Student
Ganesh Natarajan, Research Associate
Charles T. Nguyen, Staff
Xioloei Yang, Research Associate
Andrew C. Zenk, Staff