Research Article
Mar 1970
Substructure Analysis by Matrix Decomposition
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VIEW THE REPLYAuthors: Richard Rosen and Moshe F. RubinsteinAuthor Affiliations
Publication: Journal of the Structural Division
Volume 96, Issue 3
Abstract
The method uses the substructure transformation inherent in the Choleski decomposition and involves a partial release of the interior coordinates. A comparison is made between the decomposition method and the standard one which requires the full release of all interior degrees-of-freedom before the boundary problem is solved. It is concluded that the decomposition method requires less numerical calculations and manipulates less data than the standard method. In addition, the numerical calculations for the substructure decomposition method can be performed within the context of the Choleski decomposition method and requires few new computer routines.
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Published In
Journal of the Structural Division
Volume 96 • Issue 3 • March 1970
Pages: 663 - 670
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Mar 1970
Published online: Feb 1, 2021
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Richard Rosen
Manager, Computer Methods Dept., Mechanics Res. Inc., Los Angeles, Calif.
Moshe F. Rubinstein
Prof. of Engrg., Dept. of Engrg., Univ. of California, Los Angeles, Calif.
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