邓肯张模型的源代码，用于ABAQUS等程序-Duncan Chang model of the source code for ABAQUS and other procedures

基于基本增量法duncan-chang本构模型-Duncan-chang 3D constitutive model

ANSYS软件包括了众多材料本构模型，但尚缺少土工数值分析中广泛采用的Duncan-Chang 本构模型。在此给出了主要的开发程序。-ANSYS software includes many material constitutive model, but it is lack of geotechnical widely adopted in the numerical analysis of Duncan- Chang constitutive model.In the developmen

d-c model模型有限元abaqus软件二次开发软件的fortran程序。(D-c model model finite-element ABAQUS software two software development software FORTRAN program.)