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Topology optimization for design-dependent hydrostatic pressure loading via the level-set method

Picelli Sanches, Renato, Neofytou, A. and Kim, H. Alicia ORCID: 2019. Topology optimization for design-dependent hydrostatic pressure loading via the level-set method. Structural and Multidisciplinary Optimization 60 (4) , pp. 1313-1326. 10.1007/s00158-019-02339-y

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A few level-set topology optimization (LSTO) methods have been proposed to address complex fluid-structure interaction. Most of them did not explore benchmark fluid pressure loading problems and some of their solutions are inconsistent with those obtained via density-based and binary topology optimization methods. This paper presents a LSTO strategy for design-dependent pressure. It employs a fluid field governed by Laplace’s equation to compute hydrostatic fluid pressure fields that are loading linear elastic structures. Compliance minimization of these structures is carried out considering the design-dependency of the pressure load with moving boundaries. The Ersatz material approach with fixed grid is applied together with work equivalent load integration. Shape sensitivities are used. Numerical results show smooth convergence and good agreement with the solutions obtained by other topology optimization methods.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Springer Verlag (Germany)
ISSN: 1615-147X
Date of First Compliant Deposit: 12 August 2019
Date of Acceptance: 5 June 2019
Last Modified: 12 Jun 2023 17:53

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