NDLI: Recent developments in structural sensitivity analysis

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Recent developments in structural sensitivity analysis

Content Provider	NASA Technical Reports Server (NTRS)
Author	Adelman, Howard M. Haftka, Raphael T.
Copyright Year	1988
Description	Recent developments are reviewed in two major areas of structural sensitivity analysis: sensitivity of static and transient response; and sensitivity of vibration and buckling eigenproblems. Recent developments from the standpoint of computational cost, accuracy, and ease of implementation are presented. In the area of static response, current interest is focused on sensitivity to shape variation and sensitivity of nonlinear response. Two general approaches are used for computing sensitivities: differentiation of the continuum equations followed by discretization, and the reverse approach of discretization followed by differentiation. It is shown that the choice of methods has important accuracy and implementation implications. In the area of eigenproblem sensitivity, there is a great deal of interest and significant progress in sensitivity of problems with repeated eigenvalues. In addition to reviewing recent contributions in this area, the paper raises the issue of differentiability and continuity associated with the occurrence of repeated eigenvalues.
File Size	1354754
Page Count	34
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890000929
Archival Resource Key	ark:/13960/t3xt0m61w
Language	English
Publisher Date	1988-08-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Dynamic Structural Analysis Transient Response Sensitivity Discrimination Vibration Eigenvalues Static Characteristics Discrete Functions Nonlinear Systems Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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