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MESH PARTITIONING TECHNIQUES AND DOMAIN DECOMPOSITION METHODS
Edited by: F. Magoulès
The FETI-DP Method
Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Czech Republic
J. Kruis, "The FETI-DP Method", in F. Magoulès, (Editor), "Mesh Partitioning Techniques and Domain Decomposition Methods", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 6, pp 143-164, 2007. doi:10.4203/csets.17.6
Keywords: FETI-DP method, substructuring method, FETI method, parallel computing, domain decomposition methods.
This chapter deals with the FETI-DP (Dual-Primal Finite Element Tearing and Interconnecting) method. The FETI-DP method is a combination of the Schur complement method and the FETI method. The FETI-DP makes use of advantages of each particular method and is applicable in various two and three dimensional problems of second and fourth order. Compatibility among subdomains is enforced by a special ordering of some boundary unknowns and by Lagrange multipliers. Very good properties of the method have been proved in literature.
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