Quasi optimal finite difference method for Helmholtz problem on unstructured grids
β Scribed by Daniel T. Fernandes; Abimael F. D. Loula
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 670 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0029-5981
- DOI
- 10.1002/nme.2795
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π SIMILAR VOLUMES
We use the support operators method to derive discrete approximations for tile gradient of a vector and divergence of a tensor on unstructured grids in two dimensions. These discrete operators satisfy discrete analogs of the integral identities of the differential operators on unstructured grids whe
A Finite Element Formulation for scalar and linear second-order boundary value problems is introduced. The new method relies on a variational formulation obtained following the usual path of appending to the Galerkin variational formulation, a balanced residual form of the governing partial differen