单个圆形活塞换能器指向性

说明：  udf算法，FLUENT模拟定义，在不同时间变热流密度下进行用户自定义设置(Temperature UDF algorithm)

matlab仿真程序，可以直接运行，是分数阶混沌研究的有效资料(Matlab simulation program, which can run directly, is an effective data of fractional chaos research)

直流输电比起交流输电更适合进行远距离高压输电，基于PSCAD电磁暂态仿真软件构建了交流系统、换流变圧器、换流器、交-直流滤波器、平波电抗器及直流输电线路等的仿真模型，并以此搭建了500kV高压直流输电系统仿真模型，验证了该模型的准确性。(DC transmission is more suitable for long-distance transmission than AC transmission, the electromagnetic transient simulation software PSCAD is built based on the simulation model of AC system, converter transformer, voltage converter, AC / DC filter, smoothing reactor and DC transmission lines, and to build a 500kV HVDC system simulation model validation the accuracy of the model.)

说明：  用MACCORMACK方法求解一维LAVAL管亚音速流动(solve one dimensional laval tube with the method in maccormack)

求解二维拉普拉斯方程的matlab程序的实现(Solving two-dimensional Laplace equation)

说明：  电机矢量控制仿真（svpwm方法）实测有效 包括坐标变换(vector control The simulation of motor vector control (SVPWM) includes coordinate transformation)

说明：  功角曲线测试实验的PSCAD模型,极限切除角实验,等面积法则(Test experiment of power angle curve)

基于netlogo环境下的建模仿真，实现SIR模型的病毒传播(Based on netlogo environment modeling and simulation, to achieve the SIR model of virus transmission)

实现了random waypoint模型(random waypoint model)

用于绘制电机效率等高线图的程序，横坐标的转速，纵坐标转矩(A program for drawing contour diagrams of motor efficiency,the speed of the abscissa and the torque of the ordinate.)