CSMA2026

Non-intrusive level-set topology optimization for Fluid-Structure Interaction problems
Geovanne Melo Gomes Pereira  1, 2@  , Nawfal Blal  1@  , Anthony Gravouil  1@  , Jean-Baptiste Minne  2@  , Jean-François Desseignes  2@  , Ferdinand Louis  2@  , Didier Bardel  2@  
1 : Laboratoire de Mécanique des Contacts et des Structures [Villeurbanne]  (LaMCoS)  -  Site web
Université de Lyon, INSA Lyon, CNRS : UMR5259, CNRS UMR 5259
Bâtiment Sophie Germain27b, avenue Jean CapelleF69621 VILLEURBANNE CEDEX -  France
2 : Framatome  -  Site web
FRAMATOME
2 Rue Professeur Jean Bernard, 69007 Lyon -  France

A Fluid-Structure Interaction topology optimization method is developed tailored for multiphysics applications in nuclear industry. The Hamilton-Jacobi equation is solved to implicitly track the fluid-structure interface, which is described by a level-set function. The interface velocity is obtained from the shape derivative of a constrained optimization problem considering a one-way partitioned, coupled Fluid-Structure Interaction. The algorithm uses the commercial software Simcenter STAR-CCM+ and Cast3M to solve the governing equations and is validated using a benchmark case.


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