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Forum: CFX

June 25, 2012, 00:21

Replies: 22

how find fluctuating velocity

Views: 10,184

Posted By Far

Once the equation are averaged over time and...

Once the equation are averaged over time and space (ensemble average, please correct me, if it wrong). then I find two situations very interesting.

1. We are trying to find out the fluctuating...

Forum: CFX

June 25, 2012, 00:12

Replies: 22

how find fluctuating velocity

Views: 10,184

Posted By Far

Thats secret behind success of eddy viscosity...

Thats secret behind success of eddy viscosity turbulence models for many types of engineering flows to find out mean engineering quantities. Thanks.

Forum: CFX

June 24, 2012, 09:30

Replies: 22

how find fluctuating velocity

Views: 10,184

Posted By Far

I found it. Just made the contour plot and found...

I found it. Just made the contour plot and found them as variables.

One more thing. As we know that linear eddy viscosity models assumes that the turbulence stress is linked to mean rate of...

Forum: CFX

June 24, 2012, 03:24

Replies: 22

how find fluctuating velocity

Views: 10,184

Posted By Far

How to find the Reynolds stresses uu, vv, ww, uv,...

How to find the Reynolds stresses uu, vv, ww, uv, uw and vw in CFD post?

@Zaktatir: Any luck in finding the method to specify RS in CFX-Pre?

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