For a simple three-noded triangular element, show explicitly that differentiation of Eq. (6.2.47) indeed results in Eq.
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For a simple three-noded triangular element, show explicitly that differentiation of Eq. (6.2.47) indeed results in Eq. (6.2.48); that is, substitute the expression for [B] and the plane stress condition for [D] into Eq. (6.2.47), and then differentiate πp with respect to each nodal degree of freedom in Eq. (6.2.47) to obtain Eq. (6.2.48).
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Related Book For
A First Course in the Finite Element Method
ISBN: 978-1305635111
6th edition
Authors: Daryl L. Logan
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