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-   -   unsteady state velocity problem (http://www.cfd-online.com/Forums/fluent/45193-unsteady-state-velocity-problem.html)

Vedavyasa M June 28, 2007 06:33

unsteady state velocity problem
 
Hi. Here is a problem. Help me help me help me. Equation for the velocity as a function of time is given by

V(t) = a1 + a2 *t + a3 * t2 + a4 * t3 + …..

which is a polynomial. I want to analyse the velocity for one day i.e., from time zero to 23 hours. Please explain me how to use this equation for the solving the problem using UDF. Similarly I have expression for heat flux and temperature. Guide me the use of UDF for solving the problem.



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