two-dimensional-turbulent-fluid-

matlab程序—用burg方法计算太阳黑子爆发的周期(the matlab program-the frequency of the sunspot by the method of burg)

一个计算器，实现加减乘除等，适合初学者学习，代码很全，自己写的。(A calculator to realize, Math, etc., suitable for beginners to learn, the code is all that he wrote.)

电磁场圣经，林为干院士的书,学习电磁场重要材料(EMF Bible, it' s dry academician of the book, an important material for studying the electromagnetic field)

说明：  数学工具： LU分解法解线性方程组，很好用(Mathematical tools: LU decomposition solution of linear equations, a very good use)

采用时域数值仿真算法较为精确的仿真铣削加工过程动态力(By using numerical simulation algorithm is more accurate simulation of milling process dynamic force)

Fluent 学习文件 全方位的指导手册 (Building geometry Setting boundary condition types)

nelder-mead algorithm for unconstrained optimization simulation in c programming language

frictional model to analysis in abaqus, a good subroutine to build a new frictional relationship

2015年全国大学生数学建模比赛创意折叠桌，利用Mathematica实现(2015 National Undergraduate Mathematical Modeling Competition creative folding table, using Mathematica to achieve)

说明：  非线性振动.pdf 刘延柱编写 恢复力与位移不成正比或阻尼力不与速度一次方成正比的系统的振动。尽管线性振动理论早已相当完善,在工程上也已取得广泛和卓有成效的应用，但在实际问题中，总有一些用线性理论无法解释的现象。一般说，线性模型只适用于小运动范围，起出这一范围，按线性问题处理就不仅在量上会引起较大误差，而且有时还会出现质上的差异，这就促使人们研究非线性振动。(Nonlinear Vibration. Compilation of PDF Liu Yanzhu)