Monotone iterations for elliptic variational inequalities:

Abstract: "A wide range of free boundary problems occurring in engineering and industry can be rewritten as a minimization problem for a strictly convex, piecewise smooth but non-differentiable energy functional. The fast solution of related discretized problems is a very delicate question, bec...

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Bibliographic Details
Main Author: Kornhuber, Ralf (Author)
Format: Book
Language:English
Published: Berlin Konrad-Zuse-Zentrum für Informationstechnik 1998
Series:Preprint SC / Konrad-Zuse-Zentrum für Informationstechnik Berlin 1998,10
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Summary:Abstract: "A wide range of free boundary problems occurring in engineering and industry can be rewritten as a minimization problem for a strictly convex, piecewise smooth but non-differentiable energy functional. The fast solution of related discretized problems is a very delicate question, because usual Newton techniques cannot be applied. We propose a new approach based on convex minimization and constrained Newton type linearization. While convex minimization provides global convergence of the overall iteration, the subsequent constrained Newton type linearization is intended to accelerate the convergence speed. We present a general convergence theory and discuss several applications."
Physical Description:7 S.

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