Publisher DOI: 10.1007/s00466-017-1465-5
Title: Adjoint shape optimization for fluid–structure interaction of ducted flows
Language: English
Authors: Heners, Jan Philipp 
Radtke, Lars 
Hinze, Michael 
Düster, Alexander 
Issue Date: 1-Mar-2018
Source: Computational Mechanics 3 (61): 259-276 (2018-03-01)
Journal or Series Name: Computational Mechanics 
Abstract (english): 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.
ISSN: 0178-7675
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Type: Review (Artikel)
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