Abstract
Stress and strain locus in inelastic deformation is important to evaluate the fatigue strength and creep-fatigue strength. The stress redistribution locus (SRL) of perforated plate under displacement-controlled condition has been studied so far by the present authors. The SRL curve under displacement-controlled loading is almost independent of the employed constitutive equation, and the SRL takes the similar curve as Neuber’s one, if the inelastic stress/strain is non-dimensionalized by elastic solutions. However, the SRL under force-controlled loading is not studied yet, which is closely related to collapse load and fatigue strength. The response under thermal loading is also important for fatigue strength and creep-fatigue strength. Based on the 3D FE solutions under force-controlled loading or thermal loading for the perforated plate, the nonlinear feature will be discussed.
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