{"id":360479,"date":"2024-04-04T12:36:59","date_gmt":"2024-04-04T12:36:59","guid":{"rendered":"\/forum\/forums\/topic\/s-ale-structured-mesh-motion\/"},"modified":"2024-04-04T12:41:17","modified_gmt":"2024-04-04T12:41:17","slug":"s-ale-structured-mesh-motion","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/s-ale-structured-mesh-motion\/","title":{"rendered":"S-ALE structured mesh motion"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I am setting up a FSI problem in LS-DYNA using the S-ALE structured mesh. I want to prefill the structured mesh with a fluid and then apply a rigid body force on a submerged structure. I dont want the submerged lagrangian structure to move out of the fluid mesh, so I use the *STRUCTURED_MESH_MOTION keycard and allow the S-ALE mesh to follow the lagrangian structure.<\/p>\n<p>I would like to know if this mesh motion also imparts velocity and acceleration to the fluid filled inside at the start of simulation. If I want the mesh to move along with the lagrangian structure, but also keep the fluid domain(in which the lagrangian rigid body is submerged) fixed in space, what is the correct way to model it?<\/p>\n","protected":false},"template":"","class_list":["post-360479","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,I am setting up a FSI problem in LS-DYNA using the S-ALE structured mesh. I want to prefill the structured mesh with a fluid and then apply a rigid body force on a submerged structure. 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