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Old   February 24, 2003, 03:29
Default regarding UDF problem
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hi all I want to know how deal with UDF problem. My project is to solve temperature and velocity field(2D) in EAF(electric arc furnace) I use k-e turbulence model. I would like to add the Lorentz force(source term) at z-axis in momentum equation, and joule heating and Thompson effect(source terms) in energy equation

please! tell me how to write UDF!!
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Old   February 24, 2003, 08:09
Default Re: regarding UDF problem
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Lorentz force defines Jz*Btheta Jz=2*I/PI*R^4(R^2-r^2)


Government Equation add this source term.

So I want to konw how to write UDF forms
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