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Forum: CFX

June 1, 2013, 06:12

Replies: 11

Droplets and CFX

Views: 3,684

Posted By ghorrocks

Read up about homo- and inhomogeneous. The...

Read up about homo- and inhomogeneous. The difference is whether they have a shared velocity field or not. If the homogeneous model is approriate it will run faster (less equations) and with better...

Forum: CFX

May 31, 2013, 06:12

Replies: 11

Droplets and CFX

Views: 3,684

Posted By ghorrocks

Why is you initial timestep smaller than youir...

Why is you initial timestep smaller than youir minimum timestep? Make the minimum time step 1e-8s and the maximum 1e8s. Let it find its own time step without you prescribing limits (unless you...

Forum: CFX

May 3, 2013, 08:20

Replies: 11

Droplets and CFX

Views: 3,684

Posted By ghorrocks

You have modelled this as a eularian multiphase...

You have modelled this as a eularian multiphase model, as sub-grid droplets in a continuous fluid. This is not an appropriate model for what you are doing - you should model this as a free surface...

Forum: CFX

May 3, 2013, 07:59

Replies: 11

Droplets and CFX

Views: 3,684

Posted By ghorrocks

Can you post your CCL?

Can you post your CCL?

Forum: CFX

May 3, 2013, 07:02

Replies: 11

Droplets and CFX

Views: 3,684

Posted By ghorrocks

Is this what you are asking - your model works...

Is this what you are asking - your model works fine without surface tension, but as soon as you activate surface tension it does not accurately model the flow?

Also an image of what you are...

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