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Multilevel Preconditioned CG-Iterations for Variational Inequalities.

Please always quote using this URN: urn:nbn:de:0297-zib-561
  • We consider such variational inequalities which either describe obstacle problems or result from an implicit time discretization of moving boundary problems of two phase Stefan type. Based on a discretization in space by means of continuous, piecewise linear finite elements with respect to a nested hierarchy of triangulations, in both cases we use iterative processes consisting of inner and outer iterations. The outer iterations are either active set strategies or generalized Newton methods while the inner iterations are preconditioned cg- iterations with multilevel preconditioners.

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Metadaten
Author:Ronald H. W. Hoppe, Ralf Kornhuber
Document Type:ZIB-Report
Date of first Publication:1991/07/18
Series (Serial Number):ZIB-Report (SC-91-06)
ZIB-Reportnumber:SC-91-06
Published in:Appeared in: Proc. 5th Copper Mountain Conf. on Multigrid Methods, S. McCormick et al.(eds), Copper Mountain, Colorado (1991)
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