Finite Element Method for Membranes (2-D Solids)
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The development of finite element equations for the stress analysis of two dimensional structures subjected to external loads that are applied within their 2-D geometrical plane will be presented in this chapter. The basic concepts, procedures and formulations can also be found in many existing textbooks [1–4]. The element developed is called membrane or 2D solid element. The finite element solution will solve only the selected mathematical model and that all assumptions in this model will be reflected in the predicted response. Thus, the choice of an appropriate mathematical model is crucial and completely determines the insight into the physical problem that we can obtain by this kind of analysis.
KeywordsShape Function Triangular Element Finite Element Solution Rectangular Element Rigid Body Mode
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