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Showing results 1 to 11 of 11 Search took 0.00 seconds. Search: Posts Made By: Far

Forum: ANSYS Meshing & Geometry December 1, 2012, 14:51

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far 1. With 6.7 m/sec, maximum Y+ = 0.35 2. :)... 1. With 6.7 m/sec, maximum Y+ = 0.35 2. :) see this http://www.cfd-online.com/Forums/cfx/69196-average-static-pressure.html If you specify blending factor = 1 then is same as uniform static...

Forum: ANSYS Meshing & Geometry December 1, 2012, 14:27

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far will 6.7 m/sec make the difference or velocity... will 6.7 m/sec make the difference or velocity profile is the main culprit ;) What will happen if I use 10 m/sec? Did you take care of axis direction? Can you share the velocity profile?

Forum: ANSYS Meshing & Geometry November 30, 2012, 11:13

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far CFX Results : Yplus is same as Fluent... CFX Results : Yplus is same as Fluent almost. Solver : ................ Yplus.................. Solver Yplus (Y*) CFX : ..................0.26 ................. ...

Forum: ANSYS Meshing & Geometry November 30, 2012, 09:11

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far Do you mean CFX behaves differently than the... Do you mean CFX behaves differently than the Fluent? Why?

Forum: ANSYS Meshing & Geometry November 29, 2012, 16:19

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far Right click on the premesh and choose option "... Right click on the premesh and choose option " convert to unstructured mesh"

Forum: ANSYS Meshing & Geometry November 28, 2012, 14:10

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far @ flotus1 If we use the periodic boundary... @ flotus1 If we use the periodic boundary condition in the stream wise direction then how to make sure that the velocity at inlet is 5 m/sec? Should we define the pressure gradient in periodic...

Forum: ANSYS Meshing & Geometry November 28, 2012, 13:58

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far Here you go .... PS . I have used the... Here you go .... PS . I have used the dimensions in mm in ICEM. ,Proper scaling was done in Fluent and same is true for the CFX ( 0.001, 0.001, 0.001)

Forum: ANSYS Meshing & Geometry November 28, 2012, 11:54

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far yplus is around 7, when used 0.01 mm spacing in... yplus is around 7, when used 0.01 mm spacing in ICEM. Velocity is 5 m/sec. Y+ increased to 11 when spacing is 0.1 mm. For 1 mm spacing, Y+ is 4500. Mesh with 0.01 mm spacing is shown in pic. ...

Forum: ANSYS Meshing & Geometry November 28, 2012, 11:17

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far Hey pipe is very short (L/D = 5!) . You should... Hey pipe is very short (L/D = 5!) . You should use periodic bc as suggested by flotus1

Forum: ANSYS Meshing & Geometry November 28, 2012, 09:51

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far What the difference in using the velocity inlet... What the difference in using the velocity inlet or pressure inlet? you set the pressure inlet so that you get the correct velocity at the inlet and vice-verca. If this proposition is correct...

Forum: ANSYS Meshing & Geometry November 27, 2012, 22:46

Replies: 23 [ICEM] Simple pipe meshing - problems with y+ in CFX Views: 8,360 Posted By Far 150,000 ! Check the units of your model. 150,000 ! Check the units of your model.

Showing results 1 to 11 of 11

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