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Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: highhopes

Forum: ANSYS Meshing & Geometry June 25, 2013, 07:15

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes I still have the gambit mesh, and I did a... I still have the gambit mesh, and I did a simulation using this mesh to compare the results. I need ICEM CFD to make some further changes on the geometry and the mesh. The units and the sizes are...

Forum: ANSYS Meshing & Geometry June 25, 2013, 05:32

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Does Gambit have a different solver? I chose... Does Gambit have a different solver? I chose Fluent V6. Is there an alternative solver for Fluent V6 that I can use in ICEM CFD?

Forum: ANSYS Meshing & Geometry June 24, 2013, 04:13

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Here are two snapshots of the gambit mesh that I... Here are two snapshots of the gambit mesh that I imported into icem cfd.

Forum: ANSYS Meshing & Geometry June 23, 2013, 19:01

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Yes it is a very simple mesh and I have worked... Yes it is a very simple mesh and I have worked with much more complex meshes before. However, I cannot find the source of tihs simple surface irregularity. I just replaced the mesh during my runs, I...

Forum: ANSYS Meshing & Geometry June 23, 2013, 18:17

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Attached is the geometry of the duct. I will... Attached is the geometry of the duct. I will attach and post the gambit mesh as soon as possible. The vertical line on the left is the inlet. The line at the bottom is the outlet.

Forum: ANSYS Meshing & Geometry June 23, 2013, 16:21

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Dear Friends, The reason I am posting a... Dear Friends, The reason I am posting a reply to my own thread is that I have not fully solved my problem despite the things I have done so far, - Tried different boundary layer mesh thicknesses....

Forum: ANSYS Meshing & Geometry June 18, 2013, 10:44

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes I have done a 1st order simulation but same... I have done a 1st order simulation but same surface irregularities were formed even though I changed the absolute convergence criteria to 10e-10. After convergence, I continued the simulation with...

Forum: ANSYS Meshing & Geometry June 17, 2013, 09:56

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Under relaxation factors are 0.1 for pressure,... Under relaxation factors are 0.1 for pressure, 0.2 for momentum, 0.4 for turbulent kinetic energy and dissipation rate. Reynolds number is around 390000. I am using RNG k-epsilon and enhanced wall...

Forum: ANSYS Meshing & Geometry June 17, 2013, 08:06

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Thank you very much for responding. I changed the... Thank you very much for responding. I changed the mesh upon your advice and did a transient run. However, I got similar results. Attached you can see the picture of pressure coefficient distribution...

Forum: ANSYS Meshing & Geometry June 16, 2013, 18:38

Replies: 16 [ICEM] Spatial oscillation in results of a model with ICEM mesh Views: 1,826 Posted By highhopes Spatial oscillation in results of a model with ICEM mesh Dear Friends, I have been trying to simulate flow in a 2D curved duct with a rectangular section using Fluent. For the runs, I prepared a block structured mesh using ICEM CFD. Even though mesh...

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