Nitsche-XFEM for the Coupling of an Incompressible Fluid with Immersed Thin-Walled Structures
Date:
Conference Talk at 13th U.S. National Congress on Computational Mechanics (USNCCM13), San Diego, California, USA
Conference presentation on Nitsche-XFEM methods for coupling an incompressible fluid with immersed thin-walled structures. The fluid is discretized on a mesh that is not fitted to the structure, with extended finite elements allowing the velocity and pressure to be discontinuous across the immersed interface and Nitsche’s method enforcing the fluid-solid coupling on cut elements. Several coupling schemes with different degrees of fluid-solid time splitting, from implicit to explicit, were compared on numerical examples with static and moving interfaces.
The conference announcement and the journal paper underlying the Nitsche-XFEM method are available below: Announcement · Computer Methods in Applied Mechanics and Engineering (2016)