铰接薄壳的后屈曲分析

说明：  转子磁场定向矢量控制的PWM逆变器仿真模型(Simulation Model of PWM Inverter with Rotor Field Oriented Vector Control)

说明：  周期边界，通过python代码实现，abaqus多尺度仿真，有效性能计算，复合材料(Periodic boundary, implemented by Python code, ABAQUS multi-scale simulation, effective performance calculation, composite materials)

发源于美国麻省理工学院的Vensim软件，是由Ventana公司开发，在全球和国内获得最广泛使用系统动力学建模软件。它具有图形化的建模方法，除具有一般的模型模拟功能外，还具有复合模拟、数组变量、真实性检验、灵敏性测试、模型最优化等强大功能。Vensim有Vensim PLE, PLE Plus, Professional和DSS版本，适合不同的用户。(Vensim software, originated from Massachusetts Institute of Technology, was developed by Ventana company, and has gained the most extensive use of system dynamics modeling software both globally and domestically. It has graphical modeling methods. Besides the general model simulation function, it also has many powerful functions such as compound simulation, array variables, authenticity test, sensitivity test, model optimization, and so on. Vensim has Vensim, PLE, PLE, Plus, Professional, and DSS versions for different users.)

频率分集阵列发射波束图仿真，发射波束具有距离-角度耦合性，发射波束图最大值周期性出现，周期等于c/Deltaf。另外，提供了仿真所用的参考文献。(Transmit beamforming of frequency diverse array is range-angle dependent and its maximam is periodic occurrence. the period is equal to c/Deltaf. besides, the references are provided.)

机械动力学进行模态分析，频响应分析等动力学的分析(Modal analysis, frequency response analysis and other dynamic analysis of mechanical dynamics.)

计算井筒注入或者生产过程中的摩阻系数，可用于井筒压力分布预测(Wellbore fraction coefficient calcuation method)

说明：  GRNN网络的预测——基于广义回归神经网络的货运量预测(Prediction of GRNN Network-- Freight Volume Forecast based on Generalized regression Neural Network)

说明：  abaqus纯镁切削算例文件，可直接计算(ABAQUS pure magnesium cutting example file can be directly calculated)

说明：  将一个50Hz的干扰信号加入到白噪声中，然后对合成信号做fft，得到相应的幅频谱图和相位谱图。(A 50 Hz interference signal is added to the white noise, and then the composite signal is FFT to get the corresponding amplitude spectrum and phase spectrum.)

说明：  自己编写的，利用模糊数学方法计算船舶碰撞危险度得matlab程序(Self-compiled matlab program for calculating ship collision risk using fuzzy mathematics method)