## Abstract A singularly perturbed convectionβdiffusion problem in two and three space dimensions is discretized using the streamline upwind Petrov Galerkin (SUPG) variant of the finite element method. The dominant convection frequently gives rise to solutions with layers; hence anisotropic finite
Surface meshing using a geometric error estimate
β Scribed by P. J. Frey; H. Borouchaki
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 559 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0029-5981
- DOI
- 10.1002/nme.766
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β¦ Synopsis
Abstract
In this paper we discuss an a posteriori interpolation error estimate based on the Hessian of the surface and we propose a new geometric error estimate related to the local deformation of the surface. The new approach makes possible the construction of adapted geometric meshes for surfaces by specifying the element sizes (and directions) so as to bound the error below a userβgiven threshold value. The surfaces considered here are Cartesian surfaces. An analytical example is provided so as to emphasize the potential of the approach. Copyright Β© 2003 John Wiley & Sons, Ltd.
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