▍1. FOLDED TOWER
这是一个三维超混沌离散系统Folded towel函数(Three dimensional hyperchaotic discrete system function)
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▍2. 一维和二维Airy光场的输出
一维和二维Airy光场的输出，以及不同距离的传输模拟。自加速过程模拟(Simulation of Airy Beam)
▍4. QotoolboxV015
用于模拟量子光学多类问题，求数值解的程序包(A program package for numerical simulation of quantum optics)
▍5. Mij_Hess_Smith
说明： matlab编程利用hess simth面元法(边界元法)计算球体及椭球体附加质量(Matlab programming uses hess_simth surface element method (boundary element method) to calculate the additional mass of spheres and ellipsoids)
▍6. gear
说明： 导入matlab后添加另一个gearsolve函数，使用ode45进行t为0.001：0.001：1000和刚度ky数组，即可获得齿轮组的全自由度运动图像(After importing MATLAB, add another gearsolve function, use ode45 to do t = 0.001:0.001:1000 and stiffness KY array, then the full degree of freedom motion image of gear set can be obtained)
▍7. 利用Curve Fitting进行声速剖面拟合
利用matlab软件的Curve Fitting工具对声速剖面进行拟合，仿真其真实情况，同时对三维数据进行了仿真拟合。(The sound velocity profile was fitted by the Curve Fitting tool of Matlab software, and the real situation was simulated. At the same time, the three-dimensional data was simulated and fitted.)
▍8. VOF_JSS
说明： 基于vof方法的平面两相流界面追踪程序，针对于Zalesak圆盘旋转问题，版权由原作者所有(45/5000 The copyright of a planar two-phase flow interface tracking program based on VOF method for Zalesak disk rotation is owned by the original author)
▍10. R-R分布
R-R分布函数的源码，用来测试颗粒物浓度时亲测可用，值得下载(The source of R-R distribution function is used to test particulate matter concentration, so it can be downloaded, and is worth downloading.)
▍11. MainProgram
说明： 一个基于有限元方法的平面问题求解器，支持网格类型为二维四边形四节点单元和四边形八节点单元的有限元网格： 前处理——用Abaqus建模编号并导出数据 在Matlab中读取数据文件 计算单元刚度矩阵（采用高斯积分），组集结构刚度矩阵 组集结点载荷向量，引入位移边条 求解结点位移，单元应力应变 后处理——绘制应力应变位移云图，与Abaqus结果对照(A plane problem solver based on finite element method)
▍12. 混凝土随机球形骨料球体蒙特卡洛随机分布模型
目前三维的混凝土建模很少见，随机球形骨料在受限空间（球体）随机分布模型,本人自己编写，具有原创性。动画显示建模过程。三种粒径不同的骨料随机分布。模拟混凝土材料的过程。有助于后续有限元计算。(Random spherical aggregate in the restricted space (sphere) random distribution model, I write it myself, with originality. Animation shows the modeling process. Three kinds of aggregates with different particle sizes are randomly distributed. The process of simulating the concrete material. It is helpful to the subsequent finite element calculation.)
▍14. frft
说明： 实现快速分数阶傅里叶变换功能。分数阶傅里叶变换是整数傅里叶变换的普遍形式，可用于光的菲涅尔衍射模拟。(The function of fast fractional Fourier transform is realized. Fractional Fourier transform is a general form of integer Fourier transform, which can be used to simulate Fresnel diffraction of light.)
▍15. 一维热传导方程_有限差分
分层的一维热传导方程的有限差分法MATLAB程序，是简单的显式差分格式，尽量使用了矩阵运算，没有符号运算。 文件chafen1.m以路面为例，假设有多层建筑材料，热传导系数已经在代码中给出。用户使用时请按自己需要修改chafen1.m文件，增减层数，修改热传导系数等即可。(One-dimensional heat conduction equation finite difference method MATLAB program, is a simple explicit difference format, as far as possible use of matrix operations, no symbolic operations The file Chafen 1.m takes the road surface as an example, assuming that there are multiple layers of building materials, the thermal conductivity is given in the code. Users should modify the Chafen 1.m file according to their own needs, increase or decrease the number of layers, modify the thermal conductivity and so on.)
▍16. 超短脉冲的高斯脉冲线性 在光纤内的初始啁啾
说明： 超短脉冲在光纤中传输产生各种非线性效应，影响因素包括激光器的高斯脉冲，本模拟是初始啁啾脉冲的脉冲形状。(The transmission of ultrashort pulses in optical fibers produces various non-linear effects. The influencing factors include the Gaussian pulse of the laser. This simulation is the pulse shape of the initial chirped pulse.)
▍18. injection_locking
激光器处于注入锁定稳态时，失谐频率和注入比的关系研究(Study on the relationship between the detuning frequency and the injection ratio when the laser is in the locked steady state)
▍19. 单自由度任意时程荷载响应分析
说明： 已知单自由度受迫振动体系的运动方程的解，是由齐次方程的通解与特解组成。其次方程的通解在无阻尼、临界阻尼、低阻尼、超阻尼中各有不同。(It is known that the solution of the motion equation of a single degree of freedom forced vibration system is composed of the general solution and the special solution of the homogeneous equation. Secondly, the general solution of the equation is different in undamped, critical damping, low damping and super damping.)
▍20. 基于Matlab的图像曲线数据提取.zip
matlab语言编写，适合图形文章数据提取(Matlab language, suitable for data extraction of graphic articles)
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