The irregular shapes that glaze ice may grow into while accreting over the surface of an aircraft represent a major difficulty in the numerical simulation of long periods of in-flight icing. In the framework of Arbitrary Lagrangian-Eulerian (ALE) formulations, a mesh movement scheme is presented, in which frame and elasticity analogies are loosely coupled. The resulting deformed mesh preserves the quality of elements, especially in the near-wall region, where accurate prediction of heat flux and shear stresses are required. The proposed scheme handles mesh movement in a computationally efficient manner by localizing the mesh deformation. Numerical results of ice shapes and the corresponding aerodynamic coefficients are compared with the experimental results.


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    Title :

    Robust Moving Meshes for the Prediction of Aerodynamic Degradation during In-Flight Icing


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing ; 2011



    Publication date :

    2011-06-13




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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