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Forum: FLUENT

September 11, 2011, 01:29

Replies: 18

turbulent viscosity limited to viscosity ratio of 1.000000e+05 in 511831 cells

Views: 57,243

Posted By m2montazari

hi, let the iteration goes on until the...

hi,
let the iteration goes on until the residuals of all equations come down and the slope of their curves become zero. then check the mass conservation if it is out of normal error range, the...

Forum: FLUENT

September 9, 2011, 11:13

Replies: 18

turbulent viscosity limited to viscosity ratio of 1.000000e+05 in 511831 cells

Views: 57,243

Posted By m2montazari

hi, if very high turbulent viscosity is the...

hi,
if very high turbulent viscosity is the real answer, choosing upper limit is real solution. so just do that. but if not, try good boundary values for turbulence and good initializing and...

Forum: FLUENT

September 9, 2011, 09:57

Replies: 18

turbulent viscosity limited to viscosity ratio of 1.000000e+05 in 511831 cells

Views: 57,243

Posted By m2montazari

hi, turbulent viscosity limit occurs when the...

hi,
turbulent viscosity limit occurs when the ratio of turbulent viscosity to dynamic viscosity is upper than the specified limit in fluent. if your case has a complicated flow with high turbulent...

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