Search Results

Showing results 1 to 3 of 3
Search took 0.00 seconds. Search: Posts Made By: msrinath80

Forum: OpenFOAM

August 7, 2010, 12:15

Replies: 16

fixedGradient, zeroGradient?

Views: 35,323

Posted By msrinath80

Ah, I think I know what happened. You have...

Ah, I think I know what happened. You have confused my "x" for "n". Just for clarification, nowhere in the derivation have I ever assumed/stated that du/dn = 0 at the wall. There are no derivatives...

Forum: OpenFOAM

August 7, 2010, 12:09

Replies: 16

fixedGradient, zeroGradient?

Views: 35,323

Posted By msrinath80

I think du/dx = 0 and dv/dx =0 are vaild as both...

I think du/dx = 0 and dv/dx =0 are vaild as both u and v at the bottom wall do not change in the X-direction. Also, in the derivation, I have NOT assumed du/dy=0, which means that the wall shear...

Forum: OpenFOAM

August 6, 2010, 19:21

Replies: 16

fixedGradient, zeroGradient?

Views: 35,323

Posted By msrinath80

I have provided a fairly self-explanatory...

I have provided a fairly self-explanatory derivation[1] for why the zero gradient B/C is applied for pressure at walls. The same logic can be extended to inlets as well.

References:
[1]...

Showing results 1 to 3 of 3

Forum Jump

All times are GMT -4. The time now is 03:59.