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Applied Math Colloquium: Dr Xiaolin Wang

Harvard University

Friday, September 20, 2019
2:00 PM - 3:00 PM
Mathematics/Psychology : 101

Title: An Eulerian method for mixed soft and rigid body interactions in fluids

Abstract: Fluid-structure interaction problems are encountered in many engineering and biological applications. In this work, we presented a fully Eulerian approach for fluid-structure interactions that is simple to implement and capable of simulating multi-body interactions. When the solid is soft, a reference map technique is applied to characterize the body deformation in an Eulerian framework. When the solid is rigid, a projection step is formulated as a composite linear system that simultaneously enforces the rigidity and incompressibility constraints. Several examples including a single body, multiple rigid bodies, and soft-rigid combinations will be presented, with potential applications to biological systems.  

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