Adaptive hp-versions of BEM for Signorini problems

Authors:
Matthias Maischak;Ernst P. Stephan
Affiliations:
Institut für Angewandte Mathematik, Universität Hannover, Welfengarten 1, D-30167 Hannover, Germany;Institut für Angewandte Mathematik, Universität Hannover, Welfengarten 1, D-30167 Hannover, Germany
Venue:
Applied Numerical Mathematics - Selected papers from the 16th Chemnitz finite element symposium 2003
Year:
2005

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Abstract

For channel domains and plates the LBB constant and the corresponding eigenvalue problem of the Schur complement are investigated. Estimates for the first eigenvalue and the number of small eigenvalues are given. The numerical results confirm the theory. ...