Finite element mesh movement (relocation of nodes) for subsequent fluid structure interaction
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Uploaded by mariostorti on Jul 7, 2009
We show here the relocation of nodes for a CFD computation with the finite element method. The geometry is the well known Ahmed body ( http://www.cfd-online.com/Wiki/Ahmed_body http://www.cimec.org.ar/ojs/index.php/cmm/article/view/1018 ). We show the intersection of the FEM tetra mesh with horizontal planes at the center of the body and also at mid distance between the base of the body and the floor (the spacing is 5cm). The relocation is shown for a yaw movement of 30 degrees and a shift in the transversal direction of +/-0.6 (the length of the body is 1.044). The mesh movement is done with the technique described here http://dx.doi.org/10.1002/nme.1838, and the Finite Element code used is http://www.cimec.org.ar/petscfem . The visualization is performed with a VTK script http://www.vtk.org
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