On symmetric part PCG for mixed elliptic problems

Authors:
Tamás Kurics
Affiliations:
Department of Applied Analysis, ELTE University, Budapest, Hungary
Venue:
LSSC'05 Proceedings of the 5th international conference on Large-Scale Scientific Computing
Year:
2005

Citing 7
Cited 1

A generalized conjugate gradient, least square method

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Superlinearly convergent CG methods via equivalent preconditioning for nonsymmetric elliptic operators

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Superlinearly convergent PCG algorithms for some nonsymmetric elliptic systems

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Abstract

The CGM is studied for nonsymmetric elliptic problems with mixed boundary conditions. The mesh independence of the convergence is in focus when symmetric part preconditioning is applied to the FEM discretizations of the BVP. Computations in 2 dimensions are presented to illustrate and complete the theoretical results.