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convergence issues in gas-solid flow simulation in Fluent |
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July 21, 2017, 06:20 |
convergence issues in gas-solid flow simulation in Fluent
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#1 |
New Member
Santosh
Join Date: Feb 2017
Posts: 6
Rep Power: 9 |
I am trying to simulate gas-solid two phase flow in an 2D axisymmetric vertical pipe using two fluid model approach of Ansys fluent. I am using the granular PDE for the solid phase. As per the fluent manual first I am simulating the single phase (air) and then switching to two phase. Single phase simulation is converging properly; the mass flux criterion is also being satisfied. However the moment I switch on the solid phase the residual of granular temperature equation is not falling below 10^-03 and then the residuals of solid phase momentum are also causing problem even with a time step of 10^-06.
Any Help? Thanks |
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November 11, 2018, 16:42 |
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#2 | |
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Muhammad Ali Uzair
Join Date: Sep 2017
Posts: 44
Rep Power: 9 |
Quote:
I am facing the same problem with PDE for granular temperature. The simulation diverges. If you solved the problem, could you please guide me. Best |
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