arXiv:math/0607255 [math.AP]AbstractReferencesReviewsResources
On the energy of a flow arising in shape optimization
Pierre Cardaliaguet, Olivier Ley
Published 2006-07-11Version 1
In Cardaliaguet-Ley (2006) we have defined a viscosity solution for the gradient flow of the exterior Bernoulli free boundary problem. We prove here that the associated energy is non decreasing along the flow. This justifies the "gradient flow" approach for such kind of problem. The proof relies on the construction of a discrete gradient flow in the flavour of Almgren-Taylor-Wang (1993) and on proving it converges to the viscosity solution.
Journal: Interfaces Free Bound. 10, 2 (2008) 223-243
Keywords: shape optimization, flow arising, exterior bernoulli free boundary problem, viscosity solution, discrete gradient flow
Tags: journal article
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