For the following structure, which is proper symmetry or

Last updated: 8/7/2022

For the following structure, which is proper symmetry or antisymmetry boundary condition can be used on the dashed line for simplifying the FE model using only its potion instead of the whole model. 1. Ux=0; Uy=0 2. Ux=0; Uy is free 3.Ux is free; Uy=0 4.Ux is free; Uy is free