Date: Feb 15, 2013 2:52 PM
Subject: Re: pdeseteq
amin <email@example.com> wrote in message <firstname.lastname@example.orgYaTP>...
> hello evrybody!
> what is the "D" in pdeseteq
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):