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Title: Coupled FEM and meshless radial point interpolation method
Authors: Zhang, Y.
Wang, J. 
Zhang, B.
Keywords: Finite element method (FEM)
Meshless method
Point interpolation
Radial basis function
Issue Date: Jun-2008
Citation: Zhang, Y.,Wang, J.,Zhang, B. (2008-06). Coupled FEM and meshless radial point interpolation method. Qinghua Daxue Xuebao/Journal of Tsinghua University 48 (6) : 951-954. ScholarBank@NUS Repository.
Abstract: The advantages of the meshless and finite element methods were combined in a coupled finite element and meshless radial point interpolation method. Since only the node information is needed in a meshless method, this overcomes the difficulties resulting from element distortion and mesh regeneration in the FEM, when analyzing crack propagation and local large deformation problems. The element-free galerkin method (EFG) and the radial point interpolation method (RPIM) results are consistent with standard results for the cantilever beam problem, but the RPIM is more efficient. A coupled FEM and RPIM method for a semi-infinite plane problem were found to be more efficient than the RPIM alone. Comparison of these numerical results with closed-form solution shows that this approach is accurate and efficient.
Source Title: Qinghua Daxue Xuebao/Journal of Tsinghua University
ISSN: 10000054
Appears in Collections:Staff Publications

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