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Re: [Getfem-users] how to calculate a length of crack

From: Yves Renard
Subject: Re: [Getfem-users] how to calculate a length of crack
Date: Fri, 4 Apr 2008 09:01:42 +0200
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On Friday 04 April 2008 07:06, Egor Vtorushin wrote:
> Hello to Yves and all,
> For modeling of fracture it is necessary to calculate a length of the
> crack. Are there way to do this?
> In general  we should to evaluate function over the crack. For example:
> a) jump of displacement,
> b) Griffith energy. $G=\int\limits_{C}\gamma_0(x)dC$, where C- crack.
> Does anybody have any ideas?
> Regards, Egor Vtorushin

Getfem allows you to evaluate any integral over a crack (thus the length in 
The object 
builds an integration method on a crack described by a level_set. See for 
instance the mim_crack variable in the program



  Yves Renard (address@hidden)       tel : (33)
  Pole de Mathematiques, INSA de Lyon          fax : (33)
  20, rue Albert Einstein
  69621 Villeurbanne Cedex, FRANCE


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