nonlinear

说明：  该程序是大型有限元ADINA的源程序代码(This program is the source code of large finite element ADINA.)

说明：  在 Carsim 中分别搭建好前车与后车的车辆纵向动力学 模型。雷达系统将探测到的后车信息和前车信息传递给行车 间距控制系统，此控制系统根据安全距离模型计算出后车车 辆期望加速度，此期望加速度经过 PID 控制器调节后，输入 给车辆动力学系统，车辆动力学系统基于此加速度输出期望 的制动压力和节气门开度，并将此值传给制动及节气门控制 系统，此系统输出相应的制动力及节气门开度给后车动力学 系统，进行制动及加速控制。(The vehicle longitudinal dynamics of the front car and the rear car were built respectively in Carsim Model.The radar system transmits the information of the vehicle behind and the vehicle in front to the vehicle Spacing control system, this control system according to the safe distance model to calculate the rear car Vehicle expected acceleration, the expected acceleration after PID controller adjustment, input Given to the vehicle dynamics system, the vehicle dynamics system is based on this acceleration output expectation Brake pressure and throttle opening, and pass this value to brake and throttle control System, which outputs the corresponding braking force and throttle opening to the rear car dynamics System for braking and acceleration control.)

说明：  400KW光伏参与并网，4组光伏模组共同输出400KW的功率(400KW photovoltaic participates in grid connection, 4 sets of photovoltaic modules jointly output 400KW power)

灰色预测是通过鉴别系统因素之间发展趋势的相异程度，即进行关联分析，并对原始数据进行生成处理来寻找系统变动的规律。(The grey prediction is to identify the different degree of the development trend between the factors of the system, that is, to carry on the correlation analysis, and to process the original data to find the law of the system change.)

说明：  高压共轨系统模型，包括喷油器，油泵，共轨(High pressure common rail system model, including injector, oil pump, common rail)

说明：  台大matlab教程，适合matlab入门，十分详细，将matlab数学建模几个主要的点就有讲。(NTU matlab tutorial.Suitable for matlab entry, very detailed, several major points of matlab mathematical modeling will be explained.)

二维基于蒙特卡洛法无控弹道仿真程序, 需simulink模块(2-dimensional trajectory simulation program based on Monte Carlo method)

求解线接触弾流润滑中的压力与膜厚分布，包括雷诺方程、膜厚方程。变性方程、粘压方程以及密压方程的求解。(Solution of pressure and film thickness distribution in line contact lubrication)

说明：  主要可以用来研究疲劳累积循环载荷作用下损伤与断裂问题，(It can be used to study the damage and fracture under the fatigue cumulative cyclic load,)

使用matlab进行超声波阵列指向性仿真(Simulation of directivity of ultrasonic array using MATLAB)