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Forum: CFX

November 17, 2014, 19:33

Replies: 7

bubble dynamics

Views: 2,211

Posted By ghorrocks

I too was using sub-nanosecond time steps and had...

I too was using sub-nanosecond time steps and had the problem at the collapse point.

Fine mesh will not help, it is not a mesh resolution issue. I do not see how evaporation and condensation will...

Forum: CFX

November 17, 2014, 19:06

Replies: 7

bubble dynamics

Views: 2,211

Posted By ghorrocks

The physical process which can lead to negative...

The physical process which can lead to negative absolute pressures is the delay caused by phase change. When a very fast pressure transient drops the pressure in a liquid the phase change process...

Forum: CFX

August 17, 2011, 18:44

Replies: 7

bubble dynamics

Views: 2,211

Posted By ghorrocks

There should be no need for C or fortran. You...

There should be no need for C or fortran. You should be able to set this up using the normal CEL and CCL.

Forum: CFX

August 16, 2011, 18:40

Replies: 7

bubble dynamics

Views: 2,211

Posted By ghorrocks

I suspect both CFX and Fluent can do it. I have...

I suspect both CFX and Fluent can do it. I have done similar modelling and used fluent for it but I suspect either could do it. In my experience micro bubble collapse and expansion is a very tricky...

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