## Abstract Recently BabusΜkaβOh introduced the method of auxiliary mapping (MAM) which efficiently handles elliptic boundary value problems containing singularities. In this paper, a special weighted residue method, the Weighted RitzβGalerkin Method (WRGM), is investigated by introducing special w
Six combinations of the Ritz-Galerkin and finite element methods for elliptic boundary value problems
β Scribed by Z. C. Li; T. D. Bui
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 724 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0749-159X
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β¦ Synopsis
Overall comparisons are made for six efficient combinations of the Ritz-Galerkin and finite element methods for solving elliptic boundary value problems with singularities or interfaces. The comparisons are done by using theoretical analysis and numerical experiments. Significant relations among the six combinations are also found. A survey of the six combinations and their coupling strategies are given. These combinations are important not only for matching the Ritz-Galerkin method and the finite element method but also for matching other numerical methods such as the Ritz-Galerkin method and the finite difference method.
π SIMILAR VOLUMES
Penalty coupling techniques on an interface boundary, artificial or material, are first presented for combining the Ritz-Galerkin and finite element methods. An optimal convergence rate first is proved in the Soboiev norms. Moreover, a significant coupling strategy, L + 1 = O((1n h(), between these
We formulate a higher-order (superconvergent) Petrov-Galerkin method by determining, using a finitedifference approximation, the optimal selection of quadratic and cubic modifications to the standard linear test function for bilinear elements. Application of this method to linear elliptic problems r
## Abstract In this article, the RitzβGalerkin method in Bernstein polynomial basis is implemented to give an approximate solution of a hyperbolic partial differential equation with an integral condition. We will deal here with a type of nonlocal boundary value problem, that is, the solution of a h