Index: /issm/trunk-jpl/src/m/mech/mechanicalproperties.m
===================================================================
--- /issm/trunk-jpl/src/m/mech/mechanicalproperties.m	(revision 22996)
+++ /issm/trunk-jpl/src/m/mech/mechanicalproperties.m	(revision 22997)
@@ -131,5 +131,5 @@
 deviatoricstress.principalvalue2=valuesstress(:,2);
 deviatoricstress.principalaxis2=directionsstress(:,3:4);
-deviatoricstress.effectivevalue=1/sqrt(2)*sqrt(stress.xx.^2+stress.yy.^2+2*stress.xy.^2);
+deviatoricstress.effectivevalue=1/sqrt(2)*sqrt(deviatoricstress.xx.^2+deviatoricstress.yy.^2+2*deviatoricstress.xy.^2);
 md.results.deviatoricstress=deviatoricstress;