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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX March 8, 2012, 17:26

Replies: 11 Numerical problem Views: 1,854 Posted By ghorrocks My question is what is the physics of what you... My question is what is the physics of what you are modelling. To model it you need to know exactly how each important force works because you need to describe an equation which accurately describes...

Forum: CFX March 6, 2012, 16:06

Replies: 11 Numerical problem Views: 1,854 Posted By ghorrocks My previous post explains what you must do. If... My previous post explains what you must do. If the electrical terms are relevant, then what about the viscous terms? The inertial terms? If any of these are irrelevant then you can select the correct...

Forum: CFX February 18, 2012, 20:07

Replies: 11 Numerical problem Views: 1,854 Posted By ghorrocks Do you know how many times it has come back to... Do you know how many times it has come back to "my supervisor told me to"... Regardless of what your supervisor says, do some back of the envelope calculations to check it is significant. And the...

Forum: CFX February 15, 2012, 17:13

Replies: 11 Numerical problem Views: 1,854 Posted By ghorrocks Starting simulation without knowing which effects... Starting simulation without knowing which effects are important is a reciepe for disaster. You need to do some back of the envelope calculations to work out what is significant and what is not before...

Forum: CFX February 11, 2012, 05:24

Replies: 11 Numerical problem Views: 1,854 Posted By ghorrocks Just because a constant term is small does not... Just because a constant term is small does not tell you it has a big effect or small. It is how it interacts with the flow which is important. There will be some form of non dimensional number to...

Forum: CFX February 10, 2012, 05:23

Replies: 11 Numerical problem Views: 1,854 Posted By ghorrocks You question is meaningless. What does the... You question is meaningless. What does the constant do? How is it coupled to the simulation? What are you modelling?

Showing results 1 to 6 of 6

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