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Multigrid algorithm for cell centered finite difference on triangular meshes
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DOI：10.1016/S0096-3003(98)10094-2.png)
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Abstract
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We consider a multigrid algorithm for the cell centered difference scheme on triangular meshes using a new prolongation operator, The energy norm of this prolongation is shown to be less than root 2. Thus the W-cycle is guaranteed to converge. Numerical experiments show that our operator is better than the trivial injection. (C) 1999 Elsevier Science Inc. All rights reserved.
Keywords:
cell centered methods
finite volume methods
multigrid methods
W-cycle
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Multigrid algorithms for nonconforming and mixed methods for nonsymmetric and indefinite problems
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