http://www.imechanica.org/node/3707 Comments for "Could anyone help on Drucker-Prager model?" en http://www.imechanica.org/node/3707 <p> I am using exponent Drucker-Prager model at the moment, is there anyone can tell me where the follow exponent D-P eqation comes from originally? </p> <p> (&sigma;&nbsp;e)(&sigma;&nbsp;e)=&lambda;(&sigma;t)(&sigma;t)-3(&lambda;-1)&sigma;m&sigma;t </p> <p>Where &lambda;= is hydrostatic stress sensitivity parameter and equal to <span>&sigma;c/&sigma;t, &sigma;e is effective stress, &sigma;m is hydrostatic stress, &sigma;c, &sigma;t are stresses under compression and tension, respectively.</span></p> <br class="clear" /> http://www.imechanica.org/node/3707#comments research Drucker Prager model Plasticity Wed, 20 Aug 2008 05:44:40 -0400 Botao 3707 at http://www.imechanica.org