UMAT for plane strain and axial symmetry for elastic, linear strain hardening plastic behaviour using explicit integration with continuum Jacobian, using ABAQUS stress and strain quantities. Suitable for large deformations

UMAT材料本构模型 平面应变+材料非线性（各项同性硬化）-UMAT plane strain+ material nonlinearity (isotropic hardening)

UMAT材料本构模型 平面应变+材料非线性（幂硬化）-UMAT constitutive material model plane strain nonlinear+ material (power-hardening)