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Monte-Carlo and sensitivity transport models for domain deformation

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 on configurations with multiple-scattering and absorbing (non-emitting) semi-transparent medium. A new geometrical sensitivity algorithm is presented with full details in order to extend, on several examples, its implementation in complex geometries.
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https://hal-mines-albi.archives-ouvertes.fr/hal-02639249
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Submitted on : Friday, July 10, 2020 - 9:30:18 AM
Last modification on : Monday, November 16, 2020 - 6:44:03 PM

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P. Lapeyre, Stephane Blanco, C. Caliot, J. Dauchet, Mouna El-Hafi, et al.. Monte-Carlo and sensitivity transport models for domain deformation. Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier, 2020, 251, pp.1-13/107022. ⟨10.1016/j.jqsrt.2020.107022⟩. ⟨hal-02639249⟩

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