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Computational Mechanics

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16.08.2017 | Review Paper

Adjoint shape optimization for fluid–structure interaction of ducted flows

verfasst von: J. P. Heners, L. Radtke, M. Hinze, A. Düster

Erschienen in: Computational Mechanics | Ausgabe 3/2018

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Abstract

Based on the coupled problem of time-dependent fluid–structure interaction, equations for an appropriate adjoint problem are derived by the consequent use of the formal Lagrange calculus. Solutions of both primal and adjoint equations are computed in a partitioned fashion and enable the formulation of a surface sensitivity. This sensitivity is used in the context of a steepest descent algorithm for the computation of the required gradient of an appropriate cost functional. The efficiency of the developed optimization approach is demonstrated by minimization of the pressure drop in a simple two-dimensional channel flow and in a three-dimensional ducted flow surrounded by a thin-walled structure.

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Titel: Adjoint shape optimization for fluid–structure interaction of ducted flows
verfasst von: J. P. Heners
L. Radtke
M. Hinze
A. Düster
Publikationsdatum: 16.08.2017
Verlag: Springer Berlin Heidelberg
Erschienen in: Computational Mechanics / Ausgabe 3/2018
Print ISSN: 0178-7675
Elektronische ISSN: 1432-0924
DOI: https://doi.org/10.1007/s00466-017-1465-5

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