|April 3, 2009, 10:21||
Coupled solver energy equation problem
Join Date: Apr 2009
Posts: 10Rep Power: 10
hi to all users,
my problem is about the use of coupled solver.
I have a rectangular duct of porous media, the top surface is heated with a heat flux, the bottom surface is adiabatic. if we use the segregated solver we don't have any problem, i obtain the convergence of the solution. While if i use the coupled solver with the same model (our boundary condition is the inlet velocity) i don't obtain the convergence of the solution; in particulary i find that the temperture field is not reasonable and the outlet mass flow (with the iterations) goes from the right value (the same of the inlet mass flow) to zero.
i don't understand why i have two different solution between the two solver.
P.S.: I have to use the coupled solver because my model need to use it (i have to use the gradient of temperature ).
Sorry for my English.
Thank to all.
|Thread||Thread Starter||Forum||Replies||Last Post|
|Working directory via command line||Luiz||CFX||4||March 6, 2011 21:02|
|Mass transfer Term in Mixture Energy Equation||CFDtoy||Main CFD Forum||0||July 3, 2008 16:14|
|A fundamental problem about Pressure equation of the potentialFoam solver||dbxmcf||OpenFOAM Running, Solving & CFD||0||October 6, 2006 11:32|
|Problem with Joulebs effect source term in the energy equation||galaad||OpenFOAM Running, Solving & CFD||0||January 19, 2006 13:01|
|Re: Coupled solver + RNG K-e Model||JN||FLUENT||1||April 22, 2001 16:34|