第五次作业matlab

说明：  滞回环面积求解，实验数据中滞回曲线的面积计算，采用MATLAB编写。(Solving the area of hysteresis loop)

说明：  此程序为本人自行编制的矩形移动荷载作用下饱和土地基的动应力响应问题的MATLAB程序，适合相关研究方向的初学者。(This program is a matlab program for the dynamic stress response of saturated soil foundation under the action of rectangular moving load, which is suitable for beginners in related research fields.)

说明：  应用visual studio软件，将疲劳三个方向应力合成主应力(Used to stress stress synthesis in three directions as fatigue hot spot stress)

说明：  双线性滞回模型，单自由度结构的地震时程分析(Bilinear hysteretic model, seismic time history analysis of single degree of freedom structure)

说明：  曾攀，清华大学，有限元教程，随书光盘，非常实用的书籍资料。(Zeng pan, Tsinghua University, finite element course, CD with book)

采用初始应力法进行被动土压力分析，程序中对相关矩阵及每一步的意义进行了简要说明(The code uses the initial stress method to analyze the passive earth pressure. The relevant matrix and the significance of each step are briefly explained in the program.)

abaqus的平板塑性圆孔数值模拟源文件，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：  MATLAB 脚本的振型叠加计算内容， 属于结构动力学的内容，为英国大学教授的教学脚本(SDOFof superposition worked exampleSDOF)

黏弹性阻尼器试验设计，方案以及尺寸设计，涉及到相似转换原则(Test Design of Viscoelastic Damper)

说明：  SPI计算程序，标准降水指数的计算，利用将降雨资料可以求得。(Spi calculation program, calculation of standard precipitation index, can be obtained by using rainfall data.)