diedaiqiujiefa

可以实现求解微分方程组的数值解，在func中输入需要计算的微分方程组，运行主函数即可(Can be achieved to solve the numerical solution of differential equations, the input need to calculate the differential equations in the func to run the main function can be)

层次分析法的VB应用软件，可以实现层次分析法的实例计算。(AHP VB)

牛顿插值法进行多项式逼近，matlab编译成功，直接可用(Newton interpolation polynomial approximation method, matlab compiled successfully, directly available)

湍流模型re计算流体力学软件udf 可以用于修改UDF文件(turbulence model FLUENT)

说明：  matlab改进的网格算法，work3为主程序(Matlab improve grid algorithm, based procedures work3)

java编写九九乘法表 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81 (Multiplication table 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81 )

基于D2Q9模型的LBM程序，用于计算方腔驱动流，对应何亚玲《格子Boltzmann方法的理论及应用》一书的源码(LBM D2Q9 model-based program used to calculate the square cavity driven flow, which corresponds He Yaling " Lattice Boltzmann Method Theory and Applications," a source book)

面元法程序，用于计算飞行器气动力、气动力矩系数。(panel code for aero calculation.)

ISAAC采用多块网格技术求解二维或三维的Euler或者NS方程，并且提供了大量的湍流模型供使用，为相关研究人员提供了很好的参考。(ISAAC solves 2D or 3D Euler or NS equatioon based on a multiblock grid technique, also lots of turbulence models is included in the code. ISAAC provides a good reference for relative researches.)

GNU Scientific Library (GSL) 是一个用于科学计算的 C 语言类库。有超过1000个函数。 (GNU Scientific Library (GSL) is a C language library for scientific computing. There are more than 1000 functions.)