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Abaqus Explicit - Constant mass outflow in ALE analysis

Hi all,

I am running an ALE simulation with Abaqus Explicit. I need to prescribe a constant mass outflow at an eulerian boundary in my domain. Do you know any way to implement this? I was considering using density as a state variable, averaging on the boundary and then adjusting the outflow velocity boundary condition in order to get a constant mass flow. Apparently there's no way to save density as a sdv.

Any suggestions?

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