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Cold rolling

Only the interesting part of the problem is meshed, thanks to the ALE formalism.
The mesh is Eulerian in the rolling direction and Lagrangian in the transverse direction.
The stationary state is reached by first clamping the sheet between the rolls and secondly making them rotate around their axis.
The rolls are rigid and the sheet is thick.
The free surface of the sheet in the outlet zone is automatically computed using spline remeshing.
Eulerian convection of the Gauss points values is performed using a 1st order Finite Volume algorithm.