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Question about Fluent monitor and input parameter |
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January 27, 2014, 04:30 |
Question about Fluent monitor and input parameter
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#1 |
Senior Member
Meimei Wang
Join Date: Jul 2012
Posts: 494
Rep Power: 15 |
Hi,
Two questions: 1. How to set tan(15 degrees) as the value of the input parameter? Fluent tells that it only accept a real value. CFX can do this easily. So I guess there should be a way for Fluent to do this. 2. I'd like to set a input parameter as a force vector in the Fluent monitor. But fluent also doesn't accept it. May I ask how to set it?
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Best regards, Meimei |
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January 27, 2014, 18:15 |
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#2 |
Senior Member
Andrew Kokemoor
Join Date: Aug 2013
Posts: 122
Rep Power: 13 |
1.) As far as I know, Fluent isn't able to do this directly, but Workbench can. You can define your input parameter in Fluent, then go back to Workbench and give it an expression rather than a value. This can also be a function of other parameters.
2.) I'm not sure about this, besides the possibly inconvenient solution to calculate it yourself from the components after the fact. |
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March 19, 2015, 08:32 |
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#4 | |
Member
Pierre
Join Date: Mar 2015
Posts: 37
Rep Power: 11 |
Quote:
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March 19, 2015, 09:43 |
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#5 |
Senior Member
Andrew Kokemoor
Join Date: Aug 2013
Posts: 122
Rep Power: 13 |
My suggestion would be to create multiple output parameters from Fluent, one for each coordinate direction (F_X, F_Y, F_Z), then create another parameter in Workbench that calculates the vector in the desired direction from those components. e.g. in 2D, F_X*cos(theta)+F_Y*sin(theta), where theta is another input parameter.
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March 19, 2015, 09:49 |
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#6 | |
Member
Pierre
Join Date: Mar 2015
Posts: 37
Rep Power: 11 |
Quote:
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March 19, 2015, 10:17 |
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#7 |
Senior Member
Andrew Kokemoor
Join Date: Aug 2013
Posts: 122
Rep Power: 13 |
Yeah, I think that's probably the simplest way. I'm pretty sure you could do it in scheme, maybe even in a single output parameter, but doing it in Workbench would be straightforward and reliable.
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