Research Article
Apr 1976
Survey of Structural Reanalysis Techniques
Publication: Journal of the Structural Division
Volume 102, Issue 4
Abstract
The behavior of the structure is assumed to be described by a finite element model. Several techniques for computing static response of modified structures are available in literature. These are initial strain concept of reanalysis, techniques based on the Sherman-Morrison identity, some general techniques of structural modifications, Taylor series approach, iterative techniques, reduced basis methods, and some other techniques. Some new approaches based on the reduced basis method are tried and their results are summarized. For frequency response of modified structures three basically different techniques are available. In the first one, modifications to the eigenvalues and eigenvectors are computed directly by using Taylor series expansion. In the second one, locally modified systems are treated in an exact manner, and in the third technique component mode substitution methods are viewed as reanalysis methods.
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Published In
Journal of the Structural Division
Volume 102 • Issue 4 • April 1976
Pages: 783 - 802
Copyright
© 1976 American Society of Civil Engineers.
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Published in print: Apr 1976
Published online: Feb 1, 2021
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Authors
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Jasbir S. Arora
Assoc. Prof. Div. of Materials Engrg., Coll. of Engrg., Univ. of Iowa, Iowa City, Iowa
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.