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udf for transient heat flux BC

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Old   May 30, 2004, 10:22
Default udf for transient heat flux BC
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HI all Can some one tell me what is the source file i must write in "C" for a heat flux q(t) set to a surface bondary condition such as :

q(t) = a if 0 <t<t0 and q(t) = 0 if t> t0

t :time and a :is constant

thanks in advance
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Old   June 3, 2004, 16:29
Default Re: udf for transient heat flux BC
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explain the following:

q(t) = a if 0 t0

t :time and a :is constant

what does it mean ?
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