Gradient-based Optimization of Parameterized CAD Geometries

Abstract : This paper presents a novative method for gradient-based optimization with regard to CAD parameters. This method allows to respect manufacturing, design and surface quality rules, particularly required in computational fluid dynamics (CFD). It can be used with any objective function available in adjoint solvers (both in structural and CFD). To prove the efficiency of the method, the workflow schedule was apply on an air-conditionning duct so as to maximize the eigen frequency and then to minimize the pressure drop.
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Timothée Leblond, Pierre Froment, Paul de Nazelle, Reda Sellakh, Philippe Serré, et al.. Gradient-based Optimization of Parameterized CAD Geometries. 11th World Congress on Structural and Multidisciplinary Optimization, ISSMO, Jun 2015, Sydney, Australia. ⟨hal-01429321⟩

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