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[Getfem-users] Stress tensor / normal stress on surface

From: Stephan Gekle
Subject: [Getfem-users] Stress tensor / normal stress on surface
Date: Mon, 28 Apr 2014 17:53:16 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.4.0

Dear all,

I am using the 'isotropic linearized elasticity brick'.
Is there an easy way to obtain the local stress tensor sigma throughout the material? And similarly the tangential / normal stress on the surface? Or is it necessary to compute that manually using the derivatives of the displacements... if so, has anybody a piece of code at hand to do this?

Thanks a lot for any help,


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