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How to Define Symmetry Conditions

Symmetry conditions can be defined if there is no constrained boundary condition (fixed value, un-deformable remote force, or fixed support) applied to the adjacent face.

If a symmetry plane is parallel to the X,Y, or Z axis, a fixed value boundary condition can be used.

However, if a symmetry face is parallel to the XZ plane, the constraint displacement on the Y axis needs to be set to zero and displacement on the X and Z axis should be set to unconstrained.

 

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