Robust moving meshes for the prediction of aerodynamic degradation during in-flight icing

Marco Fossati, Rooh Ul Amin Khurram, Wagdi G. Habashi

Research output: Contribution to conferencePaper

Abstract

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.

Conference

ConferenceSAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing
CountryUnited States
CityChicago, IL
Period13/06/1117/06/11

Fingerprint

Ice
Aerodynamics
Degradation
Glazes
Heat flux
Shear stress
Elasticity
Aircraft
Computer simulation

Keywords

  • in flight icing
  • aerodynamic degredation

Cite this

Fossati, M., Khurram, R. U. A., & Habashi, W. G. (2011). Robust moving meshes for the prediction of aerodynamic degradation during in-flight icing. Paper presented at SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Chicago, IL, United States. https://doi.org/10.4271/2011-38-0022
Fossati, Marco ; Khurram, Rooh Ul Amin ; Habashi, Wagdi G. / Robust moving meshes for the prediction of aerodynamic degradation during in-flight icing. Paper presented at SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Chicago, IL, United States.
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Fossati, M, Khurram, RUA & Habashi, WG 2011, 'Robust moving meshes for the prediction of aerodynamic degradation during in-flight icing' Paper presented at SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Chicago, IL, United States, 13/06/11 - 17/06/11, . https://doi.org/10.4271/2011-38-0022

Robust moving meshes for the prediction of aerodynamic degradation during in-flight icing. / Fossati, Marco; Khurram, Rooh Ul Amin; Habashi, Wagdi G.

2011. Paper presented at SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Chicago, IL, United States.

Research output: Contribution to conferencePaper

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Fossati M, Khurram RUA, Habashi WG. Robust moving meshes for the prediction of aerodynamic degradation during in-flight icing. 2011. Paper presented at SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Chicago, IL, United States. https://doi.org/10.4271/2011-38-0022