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Search: Posts Made By: ghorrocks
Forum: CFX December 16, 2013, 04:07
Replies: 11
Views: 19,299
Posted By ghorrocks
FAQ:...

FAQ: http://www.cfd-online.com/Wiki/Ansys...do_about_it.3F...
Forum: CFX October 25, 2013, 04:54
Replies: 11
Views: 19,299
Posted By ghorrocks
You have a lot of E+12's happening there. The...

You have a lot of E+12's happening there. The simulation has diverged. The link I posted in #2 is still what has gone wrong and what to do about it.
Forum: CFX October 24, 2013, 05:40
Replies: 11
Views: 19,299
Posted By ghorrocks
I do not have time to check your maths. If you...

I do not have time to check your maths. If you want to check it then check the flow it generates is correct, or the total momentum is correct of some other check.

Did you read the FAQ I linked to...
Forum: CFX October 21, 2013, 05:57
Replies: 11
Views: 19,299
Posted By ghorrocks
As my previous post said, your disk will not suck...

As my previous post said, your disk will not suck flow into it, it will push it around it. Not realistic at all.

It sounds like the momentum source approach is what you want. Read the...
Forum: CFX October 21, 2013, 05:31
Replies: 11
Views: 19,299
Posted By ghorrocks
Your setup sounds fine - except for the bit about...

Your setup sounds fine - except for the bit about using a disk for a prop. If fluid cannot go through a prop then how is that in any way representative? The flow is going to have to divert around the...
Forum: CFX October 21, 2013, 05:14
Replies: 11
Views: 19,299
Posted By ghorrocks
Floating point error is an FAQ:...

Floating point error is an FAQ: http://www.cfd-online.com/Wiki/Ansys_FAQ#I_get_the_error_.22Floating_point_exception:_Overflow.22._What_does_this_mean_and_what_do_I_do_about_it.3F

Your approach of...
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