Optimal Shape Design for Stokes Flow Via Minimax Differentiability

Details Optimal Shape Design for Stokes Flow Via Minimax Differentiability Optimal Shape Design for Stokes Flow Via Minimax Differentiability

2007-04-04

arxiv.org/abs/0704.0485v1

Mathematics

Optimization and Control

Scientific paper

This paper is concerned with a shape sensitivity analysis of a viscous incompressible fluid driven by Stokes equations with nonhomogeneous boundary condition. The structure of shape gradient with respect to the shape of the variable domain for a given cost function is established by using the differentiability of a minimax formulation involving a Lagrangian functional combining with function space parametrization technique or function space embedding technique. We apply an gradient type algorithm to our problem. Numerical examples show that our theory is useful for practical purpose and the proposed algorithm is feasible.

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