1. Workflow for predictor–corrector simulations of in-flight ice accretion, with applications on swept wings
- Author
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Radenac, Emmanuel, Blanchard, Ghislain, Renaud, Thomas, and Duchayne, Quentin
- Abstract
A workflow for the numerical prediction of in-flight ice accretion on 3D structures is presented. The method is based on the predictor–corrector approach, which has been so far mainly developed in 2D codes and assessed in straight-wing test cases. The adaptations made for the 3D implementation are thus described. Among other developments, a remeshing technique based on the Dragon method is presented. The new methods are verified against reference numerical data. The whole workflow is validated using several test cases for which experimental measurements of ice shapes are available. Both straight and swept wings are therefore investigated. The numerical results are encouraging for low-sweep angles. Some recommendations are made for improving the results, including the need for new ice-density models. The predictor–corrector method is poorly adapted for cases exhibiting large scallop-like structures, which tends to be reinforced by high sweep angles. In this article, the test cases with highest sweep angle are effectively calculated less accurately. Costly multi-step ice-accretion simulations should be preferred for such conditions, unless a special ice bulk density model is developed.
- Published
- 2023
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