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1. You need to constrain your ANSYS model adequately so that it doesn't fly off to Europa. The figure above doesn't specify any displacement boundary conditions. You can make use of symmetry to impose the y-displacement constraint. Additionally, add an x-displacement constraint to the left, bottom corner in the half-model. With these two displacement boundary conditionconditions, the model is well constrained.

To impose the x-displacement constraint at the left, bottom corner, highlight Static Structural in the tree and use Supports > Displacements as shown in the figure below. Select the "vertex selection filter" and then click on the vertex that you need to constrain.

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