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December 11, 2018, 21:47 |
problem with defining expression
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#1 |
Member
Hamda
Join Date: Jul 2018
Posts: 80
Rep Power: 7 |
Hi,
I want to define the following equation for energy source: 410040 [W m^-3]*((t^-0.0639 )- (35424000+t)^-0.0639) My problem is that since CFX is so sensitive to dimension I have to rewrite the equation like this: 410040 [W m^-3 s^0.0639]*((t^-0.0639 )- (35424000[s]+t)^-0.0639) But I still can't run and get error. It should be mentioned that in the equation, time is considered without dimension. I mean in the equation just the magnitude of time is important. I got these messages: In Analysis 'Flow Analysis 1' - Domain 'Solid': Transient analyses require that initial conditions are specified unless an Initial Values file is specified at run-time. In Analysis 'Flow Analysis 1' - Output Control: No intermediate transient results files have been defined. |
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