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Optimal shape design for a nozzle problem

Published online by Cambridge University Press:  17 February 2009

R. Butt
Affiliation:
Centre for Advanced Studies in Pure & Appl. Maths, Bahauddin Zakaryia University, Pakistan
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Abstract

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In this paper, a gradient method is developed for the optimal shape design in a nozzle problem described by variational inequalities. It is known that this method can be used for the optimal shape design for systems described by partial differential equations (Pironneau [6]); it is used here for differential inequalities by taking limits of the expression resulting from an approximations scheme. The computations are done by the finite element method; the gradient of the criteria as a function of the coordinates nodes is computed, and the performance criterion is then minimised by the gradient method.

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Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1993