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Re: [Getfem-users] how to calculate a length of crack
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From: |
Yves Renard |
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Subject: |
Re: [Getfem-users] how to calculate a length of crack |
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Date: |
Fri, 4 Apr 2008 09:01:42 +0200 |
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User-agent: |
KMail/1.9.5 |
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
particular).
The object
getfem::mesh_im_level_set
builds an integration method on a crack described by a level_set. See for
instance the mim_crack variable in the program
contrib/delaminated_crack/delaminated_crack.cc
Yves.
--
Yves Renard (address@hidden) tel : (33) 04.72.43.87.08
Pole de Mathematiques, INSA de Lyon fax : (33) 04.72.43.85.29
20, rue Albert Einstein
69621 Villeurbanne Cedex, FRANCE
http://math.univ-lyon1.fr/~renard
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