Re: pdetool
- From: "Per S" <per.sundqvist@xxxxxx>
- Date: Tue, 26 Jun 2007 11:38:25 -0400
daoued mihoubi wrote:
How I can introduce a variable coefficient that depend on the other
parameter than of the problem. For example how i can resolute the
equation of diffusion with a coefficient that depend on the
temperature
It´s not possible in pdetool, you must use femlab/comsol for that. If
coefficients in the pde depend on the variable (temperature) it is a
nonlinear problem, and must be solved self-concistently. In principle
one can run a loop where you give lets say c=1; and then you solve to
get T(x,y), then c_new(x,y)=my_function(T(x,y));
and then you solve again to get T=Tnew(x,y) etc...
But to write commandlines in pdetool I dont remember (if it possible
at all?)
/Per
.
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