3DMises

说明：  求振动信号功率谱的两种代码，一种周期法，一种AR_pyuler法，支持Excel和text读取(Two codes for calculating the power spectrum of vibration signal)

说明：  一部分是Fortran代码可以用自学，一部分是abaqus hetval子程序用来实现混凝土水化热的代码(Part of the Fortran code can be used for self-study, and part of the code for the abaqus hetval subroutine to realize the heat of hydration of concrete)

说明：  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：  diff 2 for stationary data

说明：  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)

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：  ansys命令流,主要为土木工程相关实例的APDL语言，教程详细(Ansys command stream, mainly for the APDL language of civil engineering related examples, tutorial details)

说明：  张拉膜结构非线性有限元法找形程序，采用ANSYS APDL语言编制，附带详细注释(Non-linear Finite Element Method (FEM) finding program for tensioned membrane structures, wrote by ANSYS APDL with detailed comments.)

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：  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.)