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

Forum: ANSYS August 7, 2012, 02:50

Replies: 9 Problem with drag coefficient Views: 1,782 Posted By newminde Results become more accurate. Re=10000 , Cd=0.9.... Results become more accurate. Re=10000 , Cd=0.9. I have changed turbulent model Spalart-Allmaras, turbulent intensity 0.5 and turbulent length scale 0.07, but still the result should be 1.15-1.2....

Forum: ANSYS August 6, 2012, 01:45

Replies: 9 Problem with drag coefficient Views: 1,782 Posted By newminde All parametres can be defined: ... All parametres can be defined: http://hpce.iitm.ac.in/website/Manuals/Fluent_6.3/fluent6.3/help/html/ug/node217.htm I don't know what is a problem? Maybe others have modeled turbulence flow...

Forum: ANSYS August 3, 2012, 07:54

Replies: 9 Problem with drag coefficient Views: 1,782 Posted By newminde But you certainly must change parametres on the... But you certainly must change parametres on the boundary conditions, because turbulence parametres dependent on Reynols number. quate Note by default, the FLUENT GUI enters k=1 m²/s² and ε...

Forum: ANSYS August 3, 2012, 07:36

Replies: 9 Problem with drag coefficient Views: 1,782 Posted By newminde I thing the main problems are: 1) Bad mesh, at... I thing the main problems are: 1) Bad mesh, at monday I'll try to change it. 2) Bad calculation of Turbulent kinetic energy, turbulent dissipation rate. Also I have tried to change turbulent...

Forum: ANSYS August 3, 2012, 07:18

Replies: 9 Problem with drag coefficient Views: 1,782 Posted By newminde Problem with drag coefficient Hi everyone, I'm modeling Turbulent flow around cylinder, the main aim is to dicover Cd dependence on Reynolds numeber. The cylinder is in the infinite field, material air, Diameter of cylinder 1m,...

Showing results 1 to 5 of 5

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