Abstract
We characterize the kernel of the global stiffness matrix in the singular linear system of the generalized finite element methods (GFEM) which uses the classical finite element (FE) shape functions and local approximation space of harmonic polynomials.
Original language | English |
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Pages (from-to) | 6691-6699 |
Number of pages | 9 |
Journal | Applied Mathematics and Computation |
Volume | 217 |
Issue number | 15 |
DOIs | |
State | Published - 1 Apr 2011 |
Keywords
- Generalized finite element methods
- Multilinear operator
- Singular linear system