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A sea ice model with wave-ice interactions on a moving mesh

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SIPW02 - Ice-fluid interaction

Timothy Williams, Pierre Rampal, Einar Olason, Syvain Bouillon and Abdoulaye Samake

The neXtSIM (neXt generation Sea Ice Model) sea ice model runs the Maxwell-EB rheology solved with finite element methods on a triangular mesh. It also has thermodynamic effects and a slab ocean included beneath, as well as wave-ice interactions (ice break-up by waves, ice drift due to the wave radiation stress).

An ALE (Arbitrary Lagrangian/Eulerian) scheme has now been implemented in neXtSIM, so that the mesh is usually moving as time goes on. As part of an investigation about the best strategy for coupling the waves-in-ice module (WIM) to neXtSIM, the WIM may now be run on the neXtSIM mesh.

In this talk we give an overview of both neXtSIM and the WIM , and also some results comparing the different coupling strategies for the WIM .

This talk is part of the Isaac Newton Institute Seminar Series series.

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