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ICE3D solves the surface mass and energy balance equations governing freezing fraction and ice thickness evolution.
Video Walkthrough: ICE3D glaze icing configuration and surface mass/energy balance solution.
Icing Regimes
Rime: instantaneous freezing.
Runback: no freezing, only flowing water film.
Glaze: partial freezing with flowing water film.
Mass and Energy Balance Terms
The mass and energy balances are solved on the surfaces assuming different icing regimes in an iterative process where convective heat transfer, latent heat of freezing, evaporative mass loss, and conductive heat transfer within the ice layer will be used to define the mass of ice forming locally, the temperature of the surface and the water flowing on the surface.
Modeling Considerations
Begin with constant ice density before introducing variable density models.
Modeling Pitfalls
Not refining enough the surface at ice limits can lead to a failure in deforming the surface mesh locally or to a strong mass imbalance between the computed ice mass and the actually applied ice mass once the surface is deformed.
→ Next: “Part 4: Multi-Shot Ice Accretion Simulation with FENSAP-ICE”
Simon Bourgault-Colt, PhD Mechanical Engineering
Staff Engineer Analyst – Fluids, SimuTech Group
Simon is a simulation engineer specializing in aircraft icing and multiphysics CFD. He holds a PhD in Mechanical Engineering from Polytechnique Montréal, where his research focused on numerical methods and algorithms for predicting in-flight ice accretion on aircraft surfaces. Simon has contributed to several peer-reviewed publications on icing simulation and collection efficiency modeling and works with engineering teams to apply advanced simulation tools to complex icing and aerothermal problems. He works with engineering teams to apply advanced simulation tools such as FENSAP-ICE to aircraft icing analysis and certification workflows.
