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Residual blowup after certain iterations

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Old   April 16, 2020, 11:52
Default Residual blowup after certain iterations
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Hi everyone!

So, I am running a CFD simulation on fluent for the multi-phase flow of water and gas. Volume fraction being 0.05. Its a large tank with water, where I am injecting air into the tank. After 18000 iterations the residual is blowing up like anything. I am wondering what is going on.
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blowup, fluent, multi-phase, residual

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