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|Title:||Selective Smoothed Finite Element Method|
|Keywords:||finite element method (FEM)|
smoothed finite element method (SFEM)
|Source:||Nguyen, T.T.,Liu, G.R.,Dai, K.Y.,Lam, K.Y. (2007-10). Selective Smoothed Finite Element Method. Tsinghua Science and Technology 12 (5) : 497-508. ScholarBank@NUS Repository. https://doi.org/10.1016/S1007-0214(07)70125-6|
|Abstract:||The paper examines three selective schemes for the smoothed finite element method (SFEM) which was formulated by incorporating a cell-wise strain smoothing operation into the standard compatible finite element method (FEM). These selective SFEM schemes were formulated based on three selective integration FEM schemes with similar properties found between the number of smoothing cells in the SFEM and the number of Gaussian integration points in the FEM. Both scheme 1 and scheme 2 are free of nearly incompressible locking, but scheme 2 is more general and gives better results than scheme 1. In addition, scheme 2 can be applied to anisotropic and nonlinear situations, while scheme 1 can only be applied to isotropic and linear situations. Scheme 3 is free of shear locking. This scheme can be applied to plate and shell problems. Results of the numerical study show that the selective SFEM schemes give more accurate results than the FEM schemes. © 2007 Tsinghua University Press.|
|Source Title:||Tsinghua Science and Technology|
|Appears in Collections:||Staff Publications|
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