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To improve the traditional finite element method based on potential energy principle, a finite element method based on the base forces is proposed by using explicit expression of stiffness matrices by Gao, Y.C.(2003). The explicit formulations of the base forces finite element method are presented. A finite element approach program is developed by using MATLAB computer language, which is used to solve several problems of elasticity theory. The results show that the numerical solutions are consistent with those of the theoretical solutions.
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