Casting constraints in structural optimization via a level-set methodReport as inadecuate




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1 CMAP - Centre de Mathématiques Appliquées - Ecole Polytechnique 2 LJLL - Laboratoire Jacques-Louis Lions

Abstract : A novel strategy for handling the molding constraint for cast parts is presented. In a first step, a simple projection method for the velocity field is applied. If the optimized shape violates thickness constraints, this projection method is no longer sufficient and a general molding constraint is applied at the same time with thickness control. We apply an augmented Lagrangian method to impose the constraints and compute a shape derivative for the objective function. We show examples in 3-d.

Keywords : Shape and topology optimization level-set method casting constraints.





Author: Grégoire Allaire - François Jouve - Georgios Michailidis -

Source: https://hal.archives-ouvertes.fr/



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