SDOF Matlab Files-20191130

说明：  离散元程序PFC中的一个小案例-结构动力模拟，能够模拟地震作用下，结构的动力响应(DYNAMIC SIMULATION OF DISCRETE ELEMENT PFC STRUCTURES)

说明：  模拟金属材料单向压缩过程，用abaqus模拟压缩过程的例子，该非常适合abaqus的初学者(Simulating Unidirectional Compression Process of Metal Materials)

说明：  abaqus的动态力学数值模拟源文件，适合abaqus新手操作练习使用(ABAQUS source files for numerical simulation of plate constraints, suitable for ABAQUS novice operation exercises)

说明：  此为ASCE的第三代基准模型代码，可供土木工程领域学者使用。(This is the third generation benchmark model code of ASCE, which can be used by scholars in the field of civil engineering)

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：  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.)

abaqus的平板约束数值模拟源文件，适合abaqus新手操作练习使用(ABAQUS source files for numerical simulation of plate constraints, suitable for ABAQUS novice operation exercises)

说明：  Abaqus中用于用户自定材料属性的子程序编程实例，适用于初学者。(ABAQUS subroutine programming example for user defined material properties, suitable for beginners.)

生成地震动反应谱的matlab函数，输入加速度时程，阻尼比，输出：1列：加速度反应谱，2列：速度反应谱，3列：位移反应谱(Matlab function for generating seismic response spectrum)

该程序可进行2D和3D恒定流分析，程序中对矩阵含义和比较难理解的部分进行了简要说明(The program can be used for 2 D and 3 D constant flow analysis. The meaning of matrix and the parts that are difficult to understand are briefly explained in the program)