bug2algorithm

ABAQUS材料本构的二次开发讲解，详细说明。(Introduction to the secondary development of ABAQUS material constitutions.)

调试ok，sht30温湿度传感器，基于stm32平台(Debugging OK, sht30 temperature and humidity sensor, based on STM32 platform)

适用于ABAQUS6.10版本的，疲劳分析插件，可以快速建模，定义边界，参数定义。(Fatigue Analysis Plug-in for ABAQUS 6.10 can quickly model, define boundaries, and define parameters.)

MATLAB计算AD指标DNL等的程序，可参考(MATLAB calculation, AD indicators, DNL and other procedures, you can refer to)

说明：  多项式样条方法实现利率期限结构的拟合，有数据和MATLAB 求解程序(Estimating yield curves)

ATP-EMTP直流输电环形接地极等效电路法仿真计算接地电阻模型(Equivalent circuit method of ATP - EMTP DC transmission ring ground electrode simulation calculation of grounding resistance model)

说明：  C语言及MATLAB语言随机介质建模代码，生成随机介质模型，C语言版本需要安装fftw，附件里面有压缩包及安装方法。(C language and MATLAB language Random Media modeling code, generate random media model, C language version needs to install fftw, the attachment contains compression package and installation method.)

房屋租赁管理系统，房东可以在系统发布房屋信息，租房用户可以在系统查询房屋信息，管理员可以管理用户。 (can publish housing information system, the user can query rental housing information in the system, administrators can manage users.)

提取中尺度WRF模式指定高度处的风向时程(To extract time series of wind direction at specific height)

说明：  STM32F4与ADXL355通过SPI通信。(STM32F4 and ADXL355 via SPI communication.)