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In Finite Element Method (FEM), While domain discretization, at which of the following geometrical cases a node is not required?

In Finite Element Method (FEM), While domain discretization, at which of the following geometrical cases a node is not required? Correct Answer No change

While domain discretization, a node is necessary to be placed whenever there is a geometric discontinuity. For example, a change in cross section area or change in cross-section or both.

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