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Topic: pdeseteq
Replies: 1   Last Post: Feb 15, 2013 2:52 PM

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Posts: 3
Registered: 10/28/11
Re: pdeseteq
Posted: Feb 15, 2013 2:52 PM
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amin <brave_heart1359@yahoo.comxxx> wrote in message <ef48d19.-1@webcrossing.raydaftYaTP>...
> hello evrybody!
> what is the "D" in pdeseteq
> bye

D is just another coefficient for the standard form of the parabolic partial differential equation. This particualr coefficient is multiplied by the first derivative of the function of interest (u'):


In the case of heat transfer it is the ability of the material to store thermal energy (density times heat capacity):



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