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Re: [ff3d-users] How to define a moving boundary?

From: Stephane Del Pino
Subject: Re: [ff3d-users] How to define a moving boundary?
Date: Tue, 6 Nov 2007 23:52:14 +0100
User-agent: KMail/1.9.7

Dear Hao,

Le lundi 5 novembre 2007, Hao a écrit :
> Hi Stephane,
> I have some problems with ff3d.
> 1. Is it possible to solve a one dimension problem with ff3d? how to define
> a, b, and n?
> such as a consolidation problem, du/dt=Cv d(du/dz)/dz
Yes, you just need to define only one layer of cells in x and y for instance:
vector n = (2,2,10);
vector a = (0,0,0);
vector b = (1,1,2);
mesh m = structured(n,a,b);

> 2.Is it possible to solve a moving boundary problem?
> such as a(0,0,0), b(10,10,z), where z is changing with time.

> 3.Is it possible to solve the problem 2 in the following way?
> for(int t=0; t<360; t++){
> zz1=aplha*t
> a(0,0,0)
> b(0,0,zz1)
> n=(0,0,zz2)
> ...
> }
Again, yes.

Best regards,

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