On two-dimensional parametric variational problems
β Scribed by Stefan Hildebrandt; Heiko von der Mosel
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 125 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0944-2669
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π SIMILAR VOLUMES
We prove isoperimetric inequalities for general parametric variational double integrals F , whose Lagrangians F depend on the position vector X and on the surface normal N. As an essential tool we introduce Sauvigny's F -conformal parameters adapted to the parametric integrand and use the notion of
## Abstract The boundary element method is a discretized version of the boundary integral equation method. The variational formulation is presented for the boundary element approach to Helmholtz problems. The numerical calculation of the eigenvalues in association with hollow waveguides demonstrate