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Ansys Learning Forum Forums Discuss Simulation Fluids Volume Fraction too Low. How to Improve? Reply To: Volume Fraction too Low. How to Improve?

Rob
Forum Moderator

The flux over the wall & shadow pair should be zero unless you altered anything: ie heat goes in one side and out the other. So, the sum of inlet, outlet and tubewall:1 should be near enough zero; if it's 3W then review the convergence guidelines in the training materials in Learning.Â