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

Forum: CFX February 27, 2014, 03:20

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei Thank you. I think I've misunderstood the... Thank you. I think I've misunderstood the problem. You are really kind for answering so many questions. Thank you again.

Forum: CFX February 26, 2014, 19:48

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei I'm sorry I've tried many ways to do this. The... I'm sorry I've tried many ways to do this. The problem is like this: a rotating channel, with rectangular intersection. The rotating axis is spanwise, say z axis for example, and the stream wise...

Forum: CFX February 26, 2014, 00:59

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei Hi,ghorrocks: I reviewed many papers in this... Hi,ghorrocks: I reviewed many papers in this field of rotating channel and find that their main method is to set the pressure gradient adjusted to keep the flow rate constant. I referred to the...

Forum: CFX February 23, 2014, 21:34

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei No, I agree with you that rotating frame is a... No, I agree with you that rotating frame is a simpler way to solve this problem. And the problem I'm facing is how to set Grad(P)ave + centrifugal force(ave)=const, as in the steady state, the...

Forum: CFX February 23, 2014, 06:53

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei In general,the problem is to set the... In general,the problem is to set the Grad(Peff)=const, yes, in rotating frame, the Grad(P) and centrifugal force both exist, but I should set the plus ,that is -Grad(P)+centrifugal force=const....

Forum: CFX February 22, 2014, 07:23

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei Thank you for your explanation. Well, as for the... Thank you for your explanation. Well, as for the second question, I tried to use the rotating frame method in which the rotation speed was specified and the momentum source was used in this way: ...

Forum: CFX February 21, 2014, 07:12

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei Hi,ghorrocks: According to your description,... Hi,ghorrocks: According to your description, the steady state gets the average solution, ,and the equations been solved have no difference from the transient case, is my understanding right? As...

Forum: CFX February 21, 2014, 01:48

Replies: 13 difference between steady and transient solution? Views: 3,189 Posted By huangxianbei difference between steady and transient solution? Hi,all I'm a little confused about the difference between steady and transient solution.As we all know, the transient N-S and Reynolds time-averaged equations both contain the term corresponding to...

Showing results 1 to 8 of 8

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