# How to modify the model?

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 November 21, 2001, 13:00 How to modify the model? #1 cfxbeginer Guest   Posts: n/a How can I modify the model of CFX.Only by complify a Fortran file?Is there another way?

 November 27, 2001, 06:43 Re: How to modify the model? #2 arjun s y Guest   Posts: n/a can you please dilate it?

 November 28, 2001, 13:20 Re: How to modify the model? #3 cfxbeginer Guest   Posts: n/a For example, I want to add a item to the momentum conservation equation.

 November 30, 2001, 00:31 Re: How to modify the model? #4 arjun s y Guest   Posts: n/a ohh ..let me check ..if i could do it i will let you know .. arjun

 November 30, 2001, 23:20 Re: How to modify the model? #5 arjun s y Guest   Posts: n/a i gave it a thought .. i din't try it due to some probs but the philosophy should be like this .. take the model eqauation ..it would be of the form d(ro*u)/dt + A * d(ro*u*u)/dxi + B * d(J)/dxi = S1 + S2 now here in this A and B are some constants (see the model carefully) and S1 and S2 are source terms ... now to set the model ..what you should do is set A , B to zero (if you need) and set S1 = some expression what you need ..say for example .. A = 0, B=0 S2 = 0 and S2 = C * exp(kT) seth the model d(ro*u)/dt = C*exp(kT) done ...so read manual and you may use fortran to set this .. please reply .. arjun

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