# Diff of /trunk/doc/cookbook/example01.tex

revision 2952 by gross, Thu Feb 25 09:52:10 2010 UTC revision 2957 by artak, Tue Mar 2 01:28:19 2010 UTC
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21  \label{Sec:1DHDv00}  \label{Sec:1DHDv00}
22
23  The first model consists of two blocks of isotropic material, for instance granite, sitting next to each other.  The first model consists of two blocks of isotropic material, for instance granite, sitting next to each other.
24  Initially, \textit{Block 1} is of a temperature  Initial temperature in \textit{Block 1} is \verb|T1| and in \textit{Block 2} is \verb|T2|.
\verb|T1| and \textit{Block 2} is at a temperature \verb|T2|.
25  We assume that the system is insulated.  We assume that the system is insulated.
26  What would happen to the temperature distribution in each block over time?  What would happen to the temperature distribution in each block over time?
27  Intuition tells us that heat will transported from the hotter block to the cooler until both  Intuition tells us that heat will be transported from the hotter block to the cooler until both
28  blocks have the same temperature.  blocks have the same temperature.
29
30  \subsection{1D Heat Diffusion Equation}  \subsection{1D Heat Diffusion Equation}
31  We can model the heat distribution of this problem over time using the one dimensional heat diffusion equation\footnote{A detailed discussion on how the heat diffusion equation is derived can be found at \url{http://online.redwoods.edu/instruct/darnold/DEProj/sp02/AbeRichards/paper.pdf}};  We can model the heat distribution of this problem over time using one dimensional heat diffusion equation\footnote{A detailed discussion on how the heat diffusion equation is derived can be found at \url{http://online.redwoods.edu/instruct/darnold/DEProj/sp02/AbeRichards/paper.pdf}};
32  which is defined as:  which is defined as:
33
34  \rho c\hackscore p \frac{\partial T}{\partial t} - \kappa \frac{\partial^{2} T}{\partial x^{2}} = q\hackscore H  \rho c\hackscore p \frac{\partial T}{\partial t} - \kappa \frac{\partial^{2} T}{\partial x^{2}} = q\hackscore H

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