利用ABAQUS中的用户自定义材料子程序UMAT开发的三维邓肯-张模型，应力积分算法采用的是基本增量法-In the use of ABAQUS user-defined material subroutine UMAT developed three-dimensional Duncan- model, stress integration algorithm is the basic incremental method

Ant is a build system that was developed for the Jakarta Tomcat project and was used internally at Sun. It was originally developed by James Davidson <duncan@eng.sun.com> and has been extended by others including myself. When Jakart

邓肯张1 ABAQUS在岩土工程中的应用中的第一种邓肯张子程序-1 ABAQUS in geotechnical engineering applications in the first Duncan Duncan Chang Chang subroutine