Introduced initial stress effect.

MaterialLib/SolidModels/MFront/Lubby2.mfront

@@ -45,6 +45,8 @@ epsM.setEntryName("MaxwellStrain");
 @InitLocalVariables
 {
     mu = computeMu(young, nu);
+    // Compute initial elastic strain
+    eel = 1. / (2. * mu) * sig - nu / young * trace(sig) * Stensor::Id();
 }
 
 @Integrator

MaterialLib/SolidModels/MFront/Lubby2mod.mfront

@@ -46,6 +46,8 @@ epsK.setEntryName("KelvinStrain");
 @InitLocalVariables
 {
     mu = computeMu(young, nu);
+    // Compute initial elastic strain
+    eel = 1. / (2. * mu) * sig - nu / young * trace(sig) * Stensor::Id();
 }
 
 @Integrator