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Search: Posts Made By: ghorrocks
Forum: CFX January 22, 2012, 06:28
Replies: 20
Views: 2,799
Posted By ghorrocks
Thanks for bringing the thread back on track....

Thanks for bringing the thread back on track. Your thread got hijacked there.

Before we start on the multiphase models you have to know what physics you are modelling. What interaction between the...
Forum: CFX January 18, 2012, 21:05
Replies: 20
Views: 2,799
Posted By ghorrocks
There are normal tutorials which come with CFX,...

There are normal tutorials which come with CFX, and a whole heap more on the ANSYS Community website. Lots of these deal with 2 phase flow.
Forum: CFX January 18, 2012, 20:29
Replies: 20
Views: 2,799
Posted By ghorrocks
This sounds like a compressible flow with...

This sounds like a compressible flow with lagrangian particle tracking model. From what you have described the built in models in CFX should be able to handle this.

So what is not working?
Forum: CFX January 18, 2012, 18:51
Replies: 20
Views: 2,799
Posted By ghorrocks
I do not discuss forum issues on email. Put the...

I do not discuss forum issues on email. Put the details on the forum.

Are the particles hard or deformable? I assume hard if they are ceramic.

Why do you say this is plasma spraying? The Mach...
Forum: CFX January 18, 2012, 16:47
Replies: 20
Views: 2,799
Posted By ghorrocks
You are going to have to explain what are you...

You are going to have to explain what are you doing. What is the gas? What is the solids? What velocity/pressure? Draw a picture of it. What are the boundary conditions?
Forum: CFX January 17, 2012, 23:16
Replies: 20
Views: 2,799
Posted By ghorrocks
CFX does not have plasma models. How are you...

CFX does not have plasma models. How are you going to model the plasma?

Are the micro particles the spray, or are there particles in the spray? What are you trying to get out of the simulation?
Forum: CFX January 17, 2012, 20:05
Replies: 20
Views: 2,799
Posted By ghorrocks
60um particles in a 6mm tube is not nano-scale....

60um particles in a 6mm tube is not nano-scale. This is micro-scale and CFX is suitable for this. Molecular dynamics cannot do things of this scale.

People tend to use the word "nanotechnology"...
Forum: CFX January 17, 2012, 16:42
Replies: 20
Views: 2,799
Posted By ghorrocks
CFX uses the Navier Stokes equations and that...

CFX uses the Navier Stokes equations and that assumes a continuum. If you are dealing with nanofluids then you do not have a continuum. CFX cannot solve this type of simulation, you need a molecular...
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