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Optimal Thickness of a Cylindrical Shell -- An Optimal Control Problem in Linear Elasticity Theory

Please always quote using this URN:urn:nbn:de:0296-matheon-11744
  • In this paper we discuss optimization problems for cylindrical tubes which are loaded by an applied force. This is a problem of optimal control in linear elasticity theory (shape optimization). We are looking for an optimal thickness minimizing the deflection (deformation) of the tube under the influence of an external force. From basic equations of mechanics, we derive the equation of deformation. We apply the displacement approach from shell theory and make use of the hypotheses of Mindlin and Reissner. A corresponding optimal control problem is formulated and first order necessary conditions for the optimal solution (optimal thickness) are derived. We present numerical examples which were solved by the finite element method.

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  • Optimal Thickness of a Cylindrical Shell -- An Optimal Control Problem in Linear Elasticity Theory

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Metadaten
Author:Peter Nestler
URN:urn:nbn:de:0296-matheon-11744
Referee:Dietmar Hömberg
Document Type:Preprint, Research Center Matheon
Language:English
Date of first Publication:2012/10/25
Release Date:2012/10/25
Tag:shape optimization
Institute:Technische Universität Berlin
MSC-Classification:49-XX CALCULUS OF VARIATIONS AND OPTIMAL CONTROL; OPTIMIZATION [See also 34H05, 34K35, 65Kxx, 90Cxx, 93-XX] / 49Kxx Optimality conditions / 49K15 Problems involving ordinary differential equations
Preprint Number:987
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