stress derivative of von misses stress
stress derivative of von misses stress
(OP)
Hi to All ,
as you know VM=(2/3*S:S)^-1 i wanr to calculate partial derivative of VM WRT sigma. Could you help be about derivation i am not sure if i am right but first i have to calculate (sigma-1/3trsigma*I):(sigma-1/3trsigma*I) ?
as you know VM=(2/3*S:S)^-1 i wanr to calculate partial derivative of VM WRT sigma. Could you help be about derivation i am not sure if i am right but first i have to calculate (sigma-1/3trsigma*I):(sigma-1/3trsigma*I) ?





RE: stress derivative of von misses stress
http://solidmechanics.org/text/Chapter3_7/Chapter3_7.htm