Monte-Carlo and Domain-Deformation Sensitivities

Abstract : We address the question of evaluating shape derivatives of objective functions for radiative-transfer engineering involving semi-transparent media. After recalling the standard Monte-Carlo approach to sensitivity estimation and its current limitations, a new method is presented for the specific case of geometrical sensitivities. This method is then tested in a square cavity filled by a multiple-scattering and absorbing (non-emitting) semi-transparent medium, irradiated by an emissive cylinder. A new geometrical sensitivity algorithm is presented with full genericity in order to allow its future implementation in complex geometries.
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Submitted on : Thursday, September 12, 2019 - 5:31:51 PM
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Paule Lapeyre, Stephane Blanco, Cyril Caliot, Jérémi Dauchet, Mouna El-Hafi, et al.. Monte-Carlo and Domain-Deformation Sensitivities. RAD-19 - 9th International Symposium on Radiative Transfer, Jun 2019, Athens, Greece. 8 p. ⟨hal-02265080⟩

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