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- W4688139 abstract "A conforming point interpolation method (CPIM) is proposed based on the Galerkin formulation for 2D mechanics problems using triangular background cells. A technique for reconstructing the PIM shape functions is proposed to create a continuous displacement field over the whole problem domain, which guarantees the CPIM passing the standard patch test. We prove theoretically the existence and uniqueness of the CPIM solution, and conduct detailed analyses on the convergence rate; computational efficiency and band width of the stiffness matrix of CPIM. The CPIM does not introduce any additional degrees of freedoms compared to the linear FEM and original PIM; while convergence rate of quadratic CPIM is in between that of linear FEM and quadratic FEM which results in the high computational efficiency. Intensive numerical studies verify the properties of the CPIM." @default.
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- W4688139 date "2010-01-01" @default.
- W4688139 modified "2023-09-23" @default.
- W4688139 title "A conforming point interpolation method (CPIM) by shape function reconstruction for elasticity problems" @default.
- W4688139 hasPublicationYear "2010" @default.
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