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.
- Publication:
-
Journal of Quantitative Spectroscopy and Radiative Transfer
- Pub Date:
- August 2020
- DOI:
- 10.1016/j.jqsrt.2020.107022
- Bibcode:
- 2020JQSRT.25107022L
- Keywords:
-
- Monte Carlo;
- Domain deformation;
- Sensitivity transport models;
- Sensitivity estimation;
- Shape sensitivities