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01-Applied Mathematics & Information Sciences
An International Journal


Volumes > Volume 9 > No. 2L


Stress-based Finite Element Analysis of Sliding Beams

PP: 609-616
Yong-Lin Kuo,
This paper developed a stress-based finite element method for solving a sliding beam problem. Conventionally, the displacement-based finite element method is usually in computational solid mechanics, but the method cannot satisfy the compatibility of inter-element stress fields and the stress boundary conditions. These problems yield the inaccuracy of approximated solutions. However, the stress-based finite element method can solve these problems. Besides, the numerical examples demonstrate that the accuracy of this method is higher than that of the displacement-based method based on the same number of degrees of freedom. The sliding beam problems have diverse engineering applications. The most challenging task for this problem is necessarily to construct a varying-length beam element. This paper presents a varying-length beam element for the stress-based finite element method. The dynamic simulations reveal that the results are in good agreement with those in literature.

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