j2yang J2Yang Bases: Homogenization, CriticalStateLine, StressDilatancy, AnisotropicStrength J2Yang model D_ instance-attribute D_: float M_ instance-attribute M_: float epsd_ instance-attribute epsd_: float kp_ instance-attribute kp_: float beginConstantStressStateScope beginConstantStressStateScope(sv0: StateVariable, sv: StateVariable) dfdeps dfdeps(sv0: StateVariable, sv: StateVariable) -> ndarray dfdsig dfdsig(sv0: StateVariable, sv: StateVariable) -> ndarray kp kp(sv0: StateVariable, sv: StateVariable) -> float plasticModulus plasticModulus(dgdsig: ndarray, sv0: StateVariable, sv: StateVariable) -> float setup setup() yieldFunction yieldFunction(sv0: StateVariable, sv: StateVariable) -> float