Can someone explain which mistakes I did here? The results definitely dont match the given results. An Extend Fill would extend the surrounding surfaces to create a cube. In the example below, the Patch Fill recreates the missing quarter-sphere surface. ![]() The fluid is water and I used the „frame motion“ boundary condition for MRF zone. If any geometry was previously selected, it would have extended fill which is sometimes not desired. Afterwards I switched to the „Solution“ and did a steady state analysis. After that I switched to the „meshing workflow“ and set up the mesh with local sizing on the MRF zone, impeller, set the fluid-fluid boundaries to „internal“ and specified that MRF and tank zone are a fluid and the impeller is a solid. Then I used „Share“ to share the topology. ![]() CAD Tools 4.5 Drag & Drop 4.5 Collaboration Tools 4.2 Reusable Designs Ansys SpaceClaim Alternatives SmartDraw by SmartDraw 4. So I ended up with separated components of the tank, impeller and MRF zone. Ansys SpaceClaim Features Features are displayed in the decreasing order of their feature rating. ![]() Afterwards I used the combine tool to substract the MRF zone from the tank and the impeller from the MRF zone. I created the tank, imported the impeller and set up the MRF zone in SpaceClaim. But I don’t quite understand the MRF approach. Can someone explain to me how the MRF approach works? I need to do a study of how the flow behaves as a result of an impeller movement.
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