GMC1016/solmatlab/ruine.asv

clc;
sigma=[250 0 40 ;0 -100 0;40 0 -50]
sp=eig(sigma)
tresca=sp(3)-sp(1)
svm=sqrt(1/2*( (sigma(1,1)-sigma(2,2))^2+(sigma(1,1)-sigma(3,3))^2+(sigma(2,2)-sigma(3,3))^2 +6*sigma(1,2)^2+6*sigma(1,3)^2+6*sigma(2,3)^2 ))
svm2=sqrt(1/2*( (sp(1)-sp(2))^2+(sp(1)-sp(3))^2+(sp(2)-sp(3))^2 ))
sh=1/3*(sigma(1,1)+sigma(2,2)+sigma(3,3))
setoile=svm*sqrt((1+0.3)*2/3+3*(1-2*0.3)*sh*sh/svm/svm)

f=@(x) sqrt(cos(x)+sin(x))
J=integral(f,0,pi/2)

Revision:	941
Committed:	Wed Jun 6 20:26:59 2018 UTC (6 years, 11 months ago) by francois
File size:	443 byte(s)
Log Message:	note de cours de GMC1016
#	Content
1	clc;
2	sigma=[250 0 40 ;0 -100 0;40 0 -50]
3	sp=eig(sigma)
4	tresca=sp(3)-sp(1)
5	svm=sqrt(1/2( (sigma(1,1)-sigma(2,2))^2+(sigma(1,1)-sigma(3,3))^2+(sigma(2,2)-sigma(3,3))^2 +6sigma(1,2)^2+6sigma(1,3)^2+6sigma(2,3)^2 ))
6	svm2=sqrt(1/2*( (sp(1)-sp(2))^2+(sp(1)-sp(3))^2+(sp(2)-sp(3))^2 ))
7	sh=1/3*(sigma(1,1)+sigma(2,2)+sigma(3,3))
8	setoile=svmsqrt((1+0.3)2/3+3(1-20.3)shsh/svm/svm)
9
10	f=@(x) sqrt(cos(x)+sin(x))
11	J=integral(f,0,pi/2)
12