半动态法节点优化

该程序计算翅片式冷凝器选型软件，制冷剂为R22,根据冷媒侧进出口参数求换热面积。比较实用的(The program calculates fin type condenser selection software, refrigerant R22, according to refrigerant side inlet and outlet parameters for heat exchange area. More practical)

说明：  直流电机双闭环控制matlab程序，双闭环能增加系统的动态响应，提升控制性能。(Dc motor double closed loop control matlab program, double closed loop can increase the dynamic response of the system, improve the control performance.)

vumat 代码，用于abaqus explicit 金属塑性伤害模拟(vumat subrountine for abaqus explicit ,the hill parameter is to set 0.5 and 1.5 by default.)

用于地震射线追踪，并且适合复杂地质结构，多次运用取得良好效果。(For seismic ray tracing, and suitable for the complex geological structure, applied and achieved good results.)

最大功率跟踪算法(mppt),差分进化算法(de)，适用于多峰条件(Photovoltaic array based on booster circuit (BOOST) maximum power tracking algorithm, differential evolution algorithm.IT is suitable for the multi-peak conditions)

单相半桥逆变电路，由直流逆变为交流，很好用的元件 matlab新手上路(Single-phase half-bridge inverter circuit, inverter from DC to the exchange of components with very good new road matlab)

说明：  本例程通过matlab提供的simulink水轮机程序，做了改动，调整了部分参数，并且增加了借阅，模仿水轮发电机组一次调频过程，值得借鉴(Through the Simulink turbine program provided by matlab, the routine has been changed, some parameters have been adjusted, and borrowing has been added to imitate the primary frequency regulation process of the hydro-generator set. It is worth learning from.)

计算粒子散射的T矩阵方法，可以计算任意粒子位置的粒子散射特性。(Calculate particle scattering T-matrix method, we can calculate the location of any particle scattering properties of particles.)

这个程序主要用于计算电力系统的潮流，进而了解电力系统的运行状态。(This procedure used to calculate the power flow, and then understand the power system operating state.)

基于PSCAD的潮流计算，采用派等值电路，有一个火电厂、一个水电厂、四个变电站。(PSCAD based power flow calculation, using the equivalent circuit, there is a thermal power plant, a hydropower plant, four substations.)