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Yield stress fluid simulations with OpenFOAM

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Old   July 20, 2021, 08:48
Default Yield stress fluid simulations with OpenFOAM
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Elliott Sutton
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Hi all,

I'm trying to run pipe flow simulations of yield stress fluids using OpenFOAM. No matter what I do, I'm struggling to achieve a converged solution in a reasonable amount of time. I've tried steady-state and pseudo-transient approaches, with or without regularisation, different schemes and solvers.

Has anyone else also struggled with simulation times for yield stress fluid simulations? Or has anyone found strategies to increase convergence speed?

Thanks in advance,

Elliott
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convergence issue, non-newtonian, simulation time, viscoplastic, yield stress


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