Convergence Analysis of Pseudo-Transient Continuation

Authors:
C. T. Kelley;David E. Keyes
Affiliations:
-;-
Venue:
SIAM Journal on Numerical Analysis
Year:
1998

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Abstract

Pseudo-transient continuation ($\Psi$tc) is a well-known and physically motivated technique for computation of steady state solutions of time-dependent partial differential equations. Standard globalization strategies such as line search or trust region methods often stagnate at local minima. \ptc succeeds in many of these cases by taking advantage of the underlying PDE structure of the problem. Though widely employed, the convergence of \ptc is rarely discussed. In this paper we prove convergence for a generic form of \ptc and illustrate it with two practical strategies.