FDTD 远场计算

说明：  3.5 GHz 是 5G 网络部署的重要频段，本文结合射线跟踪模型，对 3.5 GHz 的无线传播特性进行了研究，并于 1.8 GHz 进行了对比，提出 5G 网络初期部署的建议(3.5GHz is an important frequency band for 5g network deployment. In this paper, the radio propagation characteristics of 3.5GHz are studied in combination with ray tracing model, and compared with 1.8GHz. Suggestions for initial deployment of 5g network are proposed)

说明：  ABAQUS二次开发—材料初始失效准则及损伤演化准则(criteria for initial failure and damage evolution of materials)

说明：  通过设置参数构建最近邻耦合网络；计算网络的度分布(This program is to create a NN coupled network and calculate the degree distribution of a network.)

说明：  用Fortran语言编写的abaqus，Dflux热源子程序，路径为环形路径(Abaqus, Dflux heat source subroutine written in Fortran language, with a circular path)

说明：  电力系统电压调节及一次调频的MATLAB仿真(Matlab simulation of primary frequency regulation)

说明：  Matlab 有限元的分析全过程 ，包括前期建模，后处理(Matlab finite element analysis of the whole process, including pre modeling, post-processing)

利用椭圆方程完成NACA0012翼型的网格绘制(Finishing the mesh drawing of NACA0012 airfoil by using elliptic equation)

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)

说明：  直流电机双闭环系统，实现转速和电流的反馈，根据给定的不同，电动机转速也会不同(DC motor double closed loop system)

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)