Analysis of Fibre Reinforced Composite Structures Using Finite Element Method
Fibre reinforced composite structures are extensively used now-a-days in many engineering fields. The assumption made in the analysis of such structures is that the basic laminate consists of several laminae each of which is homogeneous and orthotropic with fibre orientation in different laminae being different. Bending-stretching coupling exists in such structures. Also some composites exibit bi-modular nature (i.e. elastic moduli in tension are different from those in compression). While continuum method can be aplied to a restricted class of such problems, handling of general structures is possible only by finite element method. The details of development of some laminated composite beam (8 d.o.f/node - 2 nodes)(solid section, hollow section, or open section) and shell (12 d.o.f/node - 4 nodes) finite elements and their application to typical structures are presented in this paper.
KeywordsComposite Beam Cylindrical Panel Laminate Beam Laminate Composite Beam Shell Finite Element
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