初始应力法进行被动土压力分析及标注

说明：  可利用八节点有限单元进行力学分析，荷载形式可以为点荷载或均布荷载等形式(This code can be used for mechanical analysis of eight-node quadrilateral element, and it is suitable for various load forms such as concentrated load, uniform load and so on.)

说明：  三轴压缩试验的相关PFC3D 5.0代码，供PFC软件的初学者学习。(triaxial compression test)

用于房屋、大坝、桥梁、水电站等大型结构的时程分析，根据桥梁抗震细则规范标准谱得到的25条地震波(For time history analysis of large structures such as buildings, dams, bridges and Hydropower stations, 25 seismic waves are obtained according to the standard spectrum of seismic rules for bridges.)

说明：  39节点系统稳态和暂态运算的bpa源代码(BPA power flow calculation code for 39-node system)

说明：  autoform最全材料库，包含各类材料的详细参数及使用说明。(AutoForm is the most complete material library, including detailed parameters and instructions of various materials.)

说明：  徐世良经典算法集合，包含常用的各种算法，供大家下载参考(index for FEM code)

说明：  3维米塞斯屈服准则模型，子程序为vumat，用于abaqus(ABAQUS 3-dimensional Mises yield criterion)

说明：  四参数建模，matlab编写，用于多孔介质，煤炭，岩石等(Four parameter modeling, matlab preparation, for porous media, coal, rock, etc)

说明：  包含各类材料具体参数，如金属、玻璃、密封胶、五金件等等。(Including the specific parameters of various materials, such as metal, glass, sealant, hardware and so on.)

说明：  ABAQUS摩擦系数子程序，可以用于数值计算(ABAQUS friction coefficient subroutine)