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Flow Velocity Boundary Condition dialog box

Name
Name Sets the name for the Flow Velocity Boundary Condition simulation object.
Region Selection
Select Element Faces Select the element faces of the fluid mesh on which to define a fluid velocity.
Magnitude
Velocity Specifies the fluid velocity on acoustic mesh element faces.Note: The velocity is a surface normal velocity where the surface normals are facing away from the acoustic mesh. Therefore if the flow is into the mesh a negative velocity value is required.
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Flow Velocity Boundary Condition dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1900372 · retrieved 2026-07-17