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On a Stable Spectral Method for the grad(div) Eigenvalue Problem

✍ Scribed by M. Azaïez; R. Gruber; M. O. Deville; E. H. Mund

Publisher
Springer US
Year
2006
Tongue
English
Weight
111 KB
Volume
27
Category
Article
ISSN
0885-7474

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📜 SIMILAR VOLUMES

Legendre spectral methods for the −grad(
Legendre spectral methods for the −grad(div) operator
✍ E. Ahusborde; M. Azaïez; M.O. Deville; E.H. Mund 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 638 KB

This paper describes two Legendre spectral methods for the Àgrad(div) eigenvalue problem in R 2 . The first method uses a single grid resulting from the P N P N discretization in primal and dual variational formulations. As is well-known, this method is unstable and exhibits spectral 'pollution' eff