An improved return-map stress update algorithm for finite deformation analysis of general isotropic elastoplastic geomaterials - Huang, Junjie; Peng, Qi; Chen, Ming-Xiang (International journal for numerical and analytical methods in geomechanics, 2014)
Keywords: Algorithms; Applied sciences; Buildings. Public works; constitutive equations; Constitutive relationships; Decomposition; Elastoplasticity; Exact sciences and technology; finite strain elastoplasticity; geomechanics; Geotechnics; Mapping; Mathematical analysis; Mathematical models; return mapping algorithm; Soil investigations. Testing; Soil mechanics. Rocks mechanics; Strain; Strength of materials (elasticity, plasticity, buckling, etc.); stress-point integration; Structural analysis. Stresses; tensor function representation theorem; Tensors; Constitutive equation; Stress analysis; Slope stability; Mapping; Finite strain; Algorithm; Modeling; geomechanics; Finite element method; constitutive equations; return mapping algorithm; tensor function representation theorem; Elastoplasticity; Example; finite strain elastoplasticity; Numerical simulation; stress-point integration; Application; Isotropic material; Geomaterial