Conditioning of infinite element schemes for wave problems
β Scribed by Astley, R. J. ;Coyette, J.-P.
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 233 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1069-8299
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π SIMILAR VOLUMES
A class of non-linear elliptic problems in inΓΏnite domains is considered, with non-linearities extending to inΓΏnity. Examples include steady-state heat radiation from an inΓΏnite plate, and the de ection of an inΓΏnite membrane on a non-linear elastic foundation. Also, this class of problems may serve
## Abstract This paper compares finite element and finite volume schemes for some Poissonβtype problems. Special attention is devoted to the conditioning properties of the linear systems to be solved. For the benchmark which is considered, we show that the finite element scheme leads to the lowest
Two drawbacks exist with the infinite elements used for simulating the unbounded domains of semi-infinite problems. The first is the lack of an adequate measure for calculating the decay parameter. The second is the frequency-dependent characteristic of the finite/infinite element mesh used for deri