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When simulating the free liquid surface in the moving Mesh and Laminar Flow module, I set a mass flux of the liquid surface, and the volume of the liquid keeps decreasing. In order to keep the volume of the liquid constant, I set a liquid inflow velocity at the inlet and use the global equation to constrain the inflow velocity to keep the volume of the liquid constant.Why is this constraint not realized in the simulation and the volume of liquid is still decreasing?


0 Replies Last Post Jan 16, 2022, 1:45 a.m. EST
COMSOL Moderator

Hello Sams F

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