Abstract
This chapter presents the two-surface plasticity constitutive model as an effective tool to simulate the monotonic and cyclic behavior of materials. This phenomenological model is part of the larger family of bounding surface plasticity models, where the plastic modulus is continuously updated according to the distance between the current stress point on the fast-moving yield surface and its image stress point on the slow-moving “bounding surface” that encloses the yield surface. Both surfaces may evolve isotropically and kinematically in the stress space. Fundamentals and formulation of the model are explained for uniaxial loading followed by generalization to multiaxial loading. Procedures for calibration and implementation of the model are reviewed. Several cases of model calibration and corresponding data simulation are presented, addressing different aspects and capabilities of the model. Finally, selected presentations of further development of the original model, as well an overall assessment and current trends, are briefly reviewed and discussed.
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