BPbox

龙格库塔法求解常微分方程，matlab程序，解决速率方程的计算(Runge-Kutta method for solving ordinary differential equations, matlab program, to solve the calculation of the rate equation)

说明：  flac3d模型读取到tecplot软件的代码(Flac3d model reads the code of Tecplot software)

说明：  该软件以函数化方式表示微结构换能元的边界，生成微结构换能元电热耦合仿真计算的ANSYS命令流，获得微结构换能元的电流密度、温度分布、温度梯度、电压分布等参量。该软件的技术特点在于，集成了直接耦合的微结构换能元电热耦合仿真计算方法，适用于V型边界、圆弧边界和椭圆形边界的MEMS换能元，并能进行数据及计算结果的打开、保存、输出、显示与打印。(The development purpose of the software is to express the boundary of the micro structure transducer element in a functional way, generate the ANSYS command flow of the micro structure transducer element electrothermal coupling simulation calculation, and obtain the current density, temperature distribution, temperature gradient, voltage distribution and other parameters of the micro structure transducer element. The technical feature of the software is that it integrates directly coupled thermal electric coupling simulation calculation method of micro structure transducer. It is suitable for MEMS transducer with V-shaped boundary, circular arc boundary and elliptical boundary, and can open, save, output, display and print data and calculation results.)

通过MATLAB软件研究齿轮-滑动轴承的分岔混沌动态特性(Study on the chaotic dynamic characteristics of the gear sliding bearing by MATLAB software)

NPC三电平逆变器SVPWM仿真模型，平台matlab2007。(NPC three level inverter SVPWM simulation model, platform MATLAB2007.)

用二维装箱算法实现矩形地块放置优化问题，使用遗传算法优化(Two dimensional packing algorithm for rectangular block placement optimization)

说明：  车辆循环各种工况包括UDDS等，可用于车辆各种仿真(Various working conditions of vehicle cycle)

说明：  整车三自由度汽车模型，在传统二自由度操纵稳定性模型的基础上考虑了纵向力的影响，车速不再为定值。(Based on the traditional two degree of freedom handling and stability model, the three degree of freedom vehicle model considers the influence of longitudinal force, and the vehicle speed is no longer a fixed value.)

声子晶体，带隙，固+液二元结构，声子晶体的能带结构计算(phononic crystals, band gap, two element structure of Solid & liquid, the bandgap structures calculation by Matlab with Plane wave expansion method)

说明：  用牛拉法进行14节点的电力系统潮流计算加注释(Power flow calculation of power system)