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Optimization of light structures: the vanishing mass conjecture

Abstract : We consider the shape optimization problem which consists in placing a given mass $m$ of elastic material in a design region so that the compliance is minimal. Having in mind optimal light structures, Our purpose is to show that the problem of finding the stiffest shape configuration simplifies as the total mass $m$ tends to zero: we propose an explicit relaxed formulation where the compliance appears after rescaling as a convex functional of the relative density of mass. This allows us to write necessary and sufficient optimality conditions for light structures following the Monge-Kantorovich approach developed recently in [5].
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Submitted on : Sunday, January 5, 2020 - 10:04:05 AM
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  • HAL Id : hal-01283428, version 1



Guy Bouchitté. Optimization of light structures: the vanishing mass conjecture. Homogenization and Multiple Scales (HMS2000), Luciano Carbone and Riccardo De Arcangelis., Jun 2001, Naples, Italy. pp.131--145. ⟨hal-01283428⟩



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