2D Triangular Elements
At this point, we are about half way to developing the stiffness matrix for the triangular mesh. We can use equation 4.13 to rewrite equation 4.2 so that U T tdA = ∫A εσ 2 1 (4.2) becomes U T D tdA = ∫A ε ε 2 1 (4.15) We have eliminated the stress term in the equation. We will go on from here to eliminate the strain term and develop the ...
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