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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: Nkl

Forum: CFX January 14, 2014, 17:46

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl What does it mean exactly "have take a look at... What does it mean exactly "have take a look at your mesh?". From the beginning of my simulations I have changed advection scheme from high resolution to upwind, turbulence model from k-epsilon to...

Forum: CFX January 14, 2014, 17:24

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl I have assigned face sizings, each with element... I have assigned face sizings, each with element size of 0.01 m. The inflation option is total thickness with 15 layers, 1.7 growth rate and a maximum thickness of 0.004 m. With orthogonal quality I...

Forum: CFX January 14, 2014, 17:07

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl They are even around 200 000. Here is the image! They are even around 200 000. Here is the image!

Forum: CFX January 14, 2014, 16:48

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl Now that convergence is good I have one last... Now that convergence is good I have one last question. My two models are identical from all points of view (fluid domain, boundary conditions, solver controls), they only differ for the geometry of...

Forum: CFX January 13, 2014, 07:39

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl Thank you very much, you are far more helpful... Thank you very much, you are far more helpful than my supervisor! Now I have run the simulation with a physical timescale of 5s (it was 0.25s) and the correct mass flow rate. I have reached...

Forum: CFX January 12, 2014, 07:01

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl Is it maybe a mistake dividing the mass flow rate... Is it maybe a mistake dividing the mass flow rate by 16 because I have 16 inlets instead of only 1? I was thinking that maybe the mass flow rate is referred to the whole sum of inlets. Thanks for the...

Forum: CFX January 9, 2014, 09:29

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl I have created two models and the only difference... I have created two models and the only difference is the inlet geometry. In the second one, the one where convergence is slow, the inlet is divided in 16 circular entrances (so mass flow rate has...

Forum: CFX January 9, 2014, 09:01

Replies: 15 Multigrid cycles and numerical scheme Views: 1,320 Posted By Nkl Multigrid cycles and numerical scheme Hi everyone! My supervisor is very cryptic...a solution of one of my models is not reaching convergence after more than 10k iterations. After telling me to keep on with patience for many days,...

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