What is the other name of a linear triangular element for plane elasticity problems?
What is the other name of a linear triangular element for plane elasticity problems? Correct Answer Constant-strain triangle
In a linear triangular element (number of nodes=3), there are two degrees of freedom, ux and uy per node and a total of six nodal displacements per element. Since the first derivatives of shape functions for a triangular element are element-wise constant, all the strains computed for the linear triangular element are element-wise constant. Therefore, the linear triangular element for a plane elasticity problem is known as the constant-strain triangular (CST) element.
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Feb 20, 2025