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Research Abstracts Online
January 2009 - March 2010

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University of Minnesota Twin Cities
Institute of Technology
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 for fish and plankton organisms; flow past wind turbines including turbine-to-turbine interactions; flow past the hydrokinetic turbines in Manhattan’s East River hydropower project; 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
Iman Boranzani, Research Associate
Diane de Zelicourt, School of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia
Seokkoo Kang, Graduate Student
Ali Khosronejad, Research Associate
Trung Le, Graduate Student
Ganesh Natarajan, Research Associate
Helene Simon, School of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia