Preconditioning harmonic unsteady potential flow calculations
This paper considers finite element discretizations of the Helmholtz equation and its generalization arising from harmonic acoustic perturbations to a nonuniform steady potential flow. A novel elliptic, positive-definite preconditioner with a multigrid implementation is used to accelerate the iterat...
Prif Awduron: | Laird, A, Giles, M |
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Fformat: | Journal article |
Iaith: | English |
Cyhoeddwyd: |
2006
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Eitemau Tebyg
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Preconditioning harmonic unsteady potential flow calculations
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