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Development of Three-Dimensional Layered Finite Element for Thermo-Mechanical Analysis
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 Title & Authors
Development of Three-Dimensional Layered Finite Element for Thermo-Mechanical Analysis
Jo, Seong-Su; Ha, Seong-Gyu;
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A multi-layered brick element fur the finite element method is developed for analyzing the three-dim-ensionally layered composite structures subjected to both thermal and mechanical boundary conditions. The element has eight nodes with one degree of freedom for the temperature and three for the display-ements at each node, and can contain arbitrary number of layers with different material properties with-in the element; the conventional element should contain one material within an element. Thus the total number of nodes and elements, which are needed to analyze the multi-layered composite structures, can be tremendously reduced. In solving the global equation, a partitioning technique is used to obtain the temperature and the displacements which are caused by both the mechanical boundary conditions and temperature distributions. The results by using the developed element are compared wish the commercial package, ANSYS and the conventional finite element methods, and they are in good agreement. It is also shown that the Number of nodes and elements can be tremendously reduced using the element without losing the numerical accuracies.
Coupled Field Problem;Partitioning Technique;Layered Brick Element;Thermo-Mechanical Analysis;Finite Element Method;
 Cited by
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