Asymptotic and exact local radiation boundary conditions (RBC) for the scalar time-dependent wave equation, ΓΏrst derived by Hagstrom and Hariharan, are reformulated as an auxiliary Cauchy problem for each radial harmonic on a spherical boundary. The reformulation is based on the hierarchy of local b
On accurate boundary conditions for a shape sensitivity equation method
β Scribed by R. Duvigneau; D. Pelletier
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 497 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0271-2091
- DOI
- 10.1002/fld.1048
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract A hypersingular boundary integral equation of the first kind on an open surface piece Ξ is solved approximately using the Galerkin method. As boundary elements on rectangles we use continuous, piecewise bilinear functions which vanish on the boundary of Ξ. We show how to compensate for
The numerical solution of homogenization equations by the finite element (FE) method is explained briefly. The issue of extracting boundary conditions from the periodicity assumption is addressed and a direct method utilizing symmetry is presented. Using this method, the computation of the elements