Contents Namespaces | Ansys.ACT.Automation.Mechanical Namespace | SolutionCombination | Print page AddMiddlePrincipalStress()Creates a new MiddlePrincipalStressDeclaration Syntaxpublic virtual MiddlePrincipalStress AddMiddlePrincipalStress() « AddMiddlePrincipalElasticStrain() AddMinimumPrincipalElasticStrain() »