bool solidInterfaceCorr = rheology.solidInterfaceActive();
solidInterface* solidInterfacePtr(NULL);
if(solidInterfaceCorr)
{
solidInterfacePtr = &rheology.solInterface();
solidInterfacePtr->modifyProperties(muf, lambdaf);
//- solidInterface needs muf and lambdaf to be used for divDSigmaExp
// if(divDSigmaExpMethod != "surface" && divDSigmaExpMethod != "decompose")
// {
// FatalError << "divDSigmaExp must be decompose or surface when solidInterface is on"
// << exit(FatalError);
// }
// if(divDSigmaLargeStrainExpMethod != "surface")
// FatalError << "divDSigmaLargeStrainExp must be surface when solidInterface is on"
}