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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: Kostas_K

Forum: FLUENT April 14, 2017, 07:34

Replies: 9 3D DES simulation of turbulent jet Views: 1,355 Posted By Kostas_K How exactly can i verify that i have a turbulent... How exactly can i verify that i have a turbulent flow ? Also if i do have a laminar flow how can i apply some pertrubations using ansys in order to make it turbulent and get the right solution ?

Forum: FLUENT April 13, 2017, 13:33

Replies: 9 3D DES simulation of turbulent jet Views: 1,355 Posted By Kostas_K No my courant number is not 1. It would be if i... No my courant number is not 1. It would be if i hab used for a time step 4e-05 but i used 5e-04. Because it would take too much time otherwise. Also i just started testing what you said for PISO...

Forum: FLUENT April 11, 2017, 08:13

Replies: 9 3D DES simulation of turbulent jet Views: 1,355 Posted By Kostas_K Hello Max, Thank you for your answer *I... Hello Max, Thank you for your answer *I have already tried running a steady state simulation. And then when the residuals were flat (not converged) i changed the solution to transient and used...

Forum: FLUENT April 11, 2017, 07:41

Replies: 9 3D DES simulation of turbulent jet Views: 1,355 Posted By Kostas_K Hello LuckyTran, Thank you for your answer ... Hello LuckyTran, Thank you for your answer When the simulation begins the residuals decrease. After a few hundreds iterations they stop decreasing or they decrease with a very slow rate. The...

Forum: FLUENT April 10, 2017, 11:46

Replies: 9 3D DES simulation of turbulent jet Views: 1,355 Posted By Kostas_K 3D DES simulation of turbulent jet Hello all, Im a beginner in Fluent and CFD so please bear with me. Im trying to run a DES simulation for a 3d turbulent jet. I want to visualize the velocities (x,y,z), vorticities (x,y,z) etc....

Showing results 1 to 5 of 5

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