A Unified Approach For High Order Sensitivity Analysis
Author(s)
F. Navarrina, I. Columinas, R. Juanes, E. Bendito & M. Casteleiro
Abstract
A unified approach for high order sensitivity
analysis
1 19^
F. Navarrina , I. Colominas , R. Juanes , E. Bendito &
M. Casteleiro^
^Dept. Applied Math., Universidad de La Coruna
^Dept. Civil & Env. Eng., University of California at Berkeley
*Dept. Applied Math., Universidad Politecnica de Cataluna
Dept. Mech. Engrg., Northwestern University
Abstract
Many engineering problems require solving PDEs by means of numerical
methods (type FEM/BEM) which sensitivity analysis entails taking deriva-
tives of functions defined through integration. In sizing optimization prob-
lems, the integration domains are fixed, what enables the regular use of
analytical sensitivity techniques. In shape optimization problems, the in-
tegration domains are nevertheless variable. This fact causes some cum-
bersome difficulties [1], that have traditionally been overcome by means of
finite difference approximations [2]. Three kinds of analytical approaches
have been
Keywords
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