iMechanica - unit cell model - Comments

Thank you very much

ABAqirl — Fri, 29 Apr 2011 08:30:14 -0400

Dear Prof. Borhm,

Thank you very much for the valuable information.

I have been absent to this forum for the long time and have read you post only recently.

best regards

ABAgirl

unit cell model

Helmut Boehm — Wed, 21 Jul 2010 07:01:58 -0400

Your description sounds like it is a version of the "Method of Macroscopic Degrees of Freedom" (Michel et al., Comput. Meth. Appl. Mech.Engng. (1999), 172:109). Provided the boundary conditions are O.K. this method should be fine. However, if you leave the small strain regime you will have to use appropriate stress/strain measures.

You can find some additional information in a report of mine available at

http://www.ilsb.tuwien.ac.at/links/downloads/ilsbrep206.pdf

helmut boehm

unit cell model

ABAqirl — Fri, 04 Jun 2010 11:49:08 -0400

Hello Everybody,

I have some problem, i use 3D unit cell model for the calculation of stress-strain curve of the soft plastic matrix with rigid inclusion. after calculation i take the reaction force, devived it into cross -section of ma specimen=this is my stress, and strain i obtain by deviding the displacement into he initial length of the specimen. nevwrtheless i think it is necessary to use some homogenization scheme to obtain the stress-strain response of the material. Could you please help me what should i do?

Best regards

ABAgirl