Abstract
This paper presents an efficient calculation method which eliminates the LDU decomposition process of the stiffness matrix in numerical solution s of the finite element method (FEM). As an example, this method is applied to an elastic analysis of variable cross sectional beams with shear deformation. The FEM using this method decreases CPU time and memory capacity in comparison with conventional FEM using the LDU process. Moreover the use of the method makes the FEM algorithm simple, and gives more accurate results. Therefore, this method is effective for microcomputer aided FEM.
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