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Search: Posts Made By: ghorrocks
Forum: CFX February 7, 2013, 05:17
Replies: 12
Views: 1,909
Posted By ghorrocks
Read the documentation about particle modelling....

Read the documentation about particle modelling. Using a model without knowing how it works is very dangerous.

CFX does not model individual particles. It uses the modelled particle as...
Forum: CFX February 6, 2013, 17:17
Replies: 12
Views: 1,909
Posted By ghorrocks
Just because many particles are triggering...

Just because many particles are triggering termination criteria does not mean you should increase it. Before you increase anything like that, think whether this is real. Should those particles exit...
Forum: CFX February 5, 2013, 18:16
Replies: 12
Views: 1,909
Posted By ghorrocks
Have you tried a run with the particle tracking...

Have you tried a run with the particle tracking settings at their defaults? Most of the time the defaults are best.
Forum: CFX February 4, 2013, 05:46
Replies: 12
Views: 1,909
Posted By ghorrocks
I do not think you understood my point. You...

I do not think you understood my point. You statement:



Is not correct. You cannot predict transient run time from a steady state run.

But if you are going to do a LES model with particle...
Forum: CFX February 4, 2013, 05:12
Replies: 12
Views: 1,909
Posted By ghorrocks
You cannot infer transient simulation time from a...

You cannot infer transient simulation time from a steady state model. They are totally different, especially for particle tracking.

You probably have a few particles which are going into a...
Forum: CFX January 31, 2013, 17:18
Replies: 12
Views: 1,909
Posted By ghorrocks
I do not think the problem has anything to do...

I do not think the problem has anything to do with memory allocation. I think the slow solution is due to complex particle tracking over so many nodes. I would have a look at the particle tracking...
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