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To impose the x-displacement constraint at the left, bottom corner, highlight Static Structural in the tree and use Supports > Displacement as shown in the figure below. Also, click on the "vertex selection filter" and then select the vertex that you need to constrain. Constrain this vertex in the x-direction and allow it to be free in the y-direction..
2. You can save a copy of a plot using the following icon in the top menu:
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