objectif rates

From: noomen (noomensaidani_at_yahoo.fr)
Date: 09/21/04 

Date: 21 Sep 2004 14:15:00 -0400

my name in noomen SAIDANI i'm a PhD in INSA ROUOEN in franch, i'm
looking for all kind of document dealing with the way of introducing
an objectif rate of stress tensor in the variational formulation for
finite element method.

More over i would like, please, any algorithmic strutcuration for non
linear fem (spatially for hypoelastic materials )

thanks