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In the FEM element library, what is the correct name for a six noded triangular element?

In the FEM element library, what is the correct name for a six noded triangular element? Correct Answer Linear strain triangular element

A Constant strain triangular (CST) element is the simplest triangular element with three end nodes. A Linear strain triangular element (LST) is a six-noded triangular element with three intermediate nodes in addition to three end nodes. For plane stress applications, LST gives an accurate result compare to the three-noded CST element. The variable strain triangular element is a higher-order triangular element with more than six nodes.

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