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April 9, 2019, 15:38 |
Dimpled chanel convergence
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#1 |
New Member
Marcin
Join Date: Jul 2017
Posts: 4
Rep Power: 8 |
Hi everyone,
I want to make simulation of flow inside dimpled chanel. My problem is that it converge only for relatively low velocities(6-10)m/s. My solution does not converge if velocities are higher, i tried from range (30-40) m/s. Here are my bonduary conditions : Domain Default domain Air Ideal Gas Reference Pressure 1 atm, Heat Transfer THermal Energy Turbulence Model SST Wall function Automatic, Inlet Normal Speed, and Static Temperature Outlet:Static Pressure 0 atm, Dimpled Surface No slip wall, temperature 45 C, Vertical walls:Transation Periodicity, Rest of the geometry is treated as adiabatic no slip wall, I have no idea what is wrong, maybe my bonduary conditions are not appripriate, or Should change turbulence model? I would be grateful for any help. |
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April 9, 2019, 18:37 |
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#2 |
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,701
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