{ "id": "2409.15967", "version": "v1", "published": "2024-09-24T10:53:35.000Z", "updated": "2024-09-24T10:53:35.000Z", "title": "A Probabilistic Approach to Shape Derivatives", "authors": [ "Luka Schlegel", "Volker Schulz", "Frank T. Seifried", "Maximilian Würschmidt" ], "categories": [ "math.OC", "math.PR" ], "abstract": "We introduce a novel mesh-free and direct method for computing the shape derivative in PDE-constrained shape optimization problems. Our approach is based on a probabilistic representation of the shape derivative and is applicable for second- order semilinear elliptic PDEs with Dirichlet boundary conditions and a general class of target functions. The probabilistic representation derives from an extension of a boundary sensitivity result for diffusion processes due to Costantini, Gobet and El Karoui [14]. Moreover, we present a simulation methodology based on our results that does not necessarily require a mesh of the relevant domain, and provide Taylor tests to verify its numerical accuracy", "revisions": [ { "version": "v1", "updated": "2024-09-24T10:53:35.000Z" } ], "analyses": { "keywords": [ "shape derivative", "probabilistic approach", "order semilinear elliptic pdes", "pde-constrained shape optimization problems", "boundary sensitivity result" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }