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An energy gap functional: Cavity identification in linear elasticity

  • Amel Ben Abda , Emna Jaïem , Sinda Khalfallah EMAIL logo and Abdelmalek Zine
Published/Copyright: December 14, 2016

Abstract

The aim of this work is an analysis of some geometrical inverse problems related to the identification of cavities in linear elasticity framework. We rephrase the inverse problem into a shape optimization one using an energetic least-squares functional. The shape derivative of this cost functional is combined with the level set method in a steepest descent algorithm to solve the shape optimization problem. The efficiency of this approach is illustrated by several numerical results.

MSC 2010: 35R30; 74B05

Funding statement: This work was supported by EPIC (within LIRIMA: http://www.lirima.org), the Tunisian Ministry for Higher Education, Scientific Research and Technology and the LABEX MILYON (ANR-10-LABX-0070) of Université de Lyon, within the program “Investissements d’Avenir” (ANR-11-IDEX-0007) operated by the French National Research Agency (ANR).

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Received: 2016-5-11
Revised: 2016-10-9
Accepted: 2016-11-2
Published Online: 2016-12-14
Published in Print: 2017-10-1

© 2017 Walter de Gruyter GmbH, Berlin/Boston

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