Iterative FE-BE coupling method for elastostatics

C. Y. Dong

doi:10.1016/S0045-7949(00)00137-1

Iterative FE-BE coupling method for elastostatics

C. Y. Dong^*

^*Corresponding author for this work

Delft University of Technology

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

An iterative FE-BE coupling method is used to investigate elastic problems. In order to improve computational efficiency, all degrees of freedom related to the BE region, except for those degrees of freedom associated with interface, are condensed. The stiffness matrix from the boundary element region is taken as the corresponding influential loading matrix in FE equation. An enhanced symmetric matrix, which heavily affects the convergence property of the given method, is assembled into the stiffness matrix of FEM. Numerical examples are presented to show the performance of the given method and compared with the corresponding analytical solutions.

Original language	English
Pages (from-to)	293-299
Number of pages	7
Journal	Computers and Structures
Volume	79
Issue number	3
DOIs	https://doi.org/10.1016/S0045-7949(00)00137-1
Publication status	Published - Jan 2001
Externally published	Yes

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10.1016/S0045-7949(00)00137-1

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title = "Iterative FE-BE coupling method for elastostatics",

abstract = "An iterative FE-BE coupling method is used to investigate elastic problems. In order to improve computational efficiency, all degrees of freedom related to the BE region, except for those degrees of freedom associated with interface, are condensed. The stiffness matrix from the boundary element region is taken as the corresponding influential loading matrix in FE equation. An enhanced symmetric matrix, which heavily affects the convergence property of the given method, is assembled into the stiffness matrix of FEM. Numerical examples are presented to show the performance of the given method and compared with the corresponding analytical solutions.",

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AB - An iterative FE-BE coupling method is used to investigate elastic problems. In order to improve computational efficiency, all degrees of freedom related to the BE region, except for those degrees of freedom associated with interface, are condensed. The stiffness matrix from the boundary element region is taken as the corresponding influential loading matrix in FE equation. An enhanced symmetric matrix, which heavily affects the convergence property of the given method, is assembled into the stiffness matrix of FEM. Numerical examples are presented to show the performance of the given method and compared with the corresponding analytical solutions.

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Iterative FE-BE coupling method for elastostatics

Abstract

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