FAST_v8.10.00a-bjj.tar

说明：  Umat Abaqus for plasticity

用于解决投入产出问题的RAS算法，已知矩阵的行和和列和，可以求出矩阵的具体值。(For the RAS algorithm to solve the problem of input and output. We know the rows and columns of the matrix,then the specific value of the matrix can be calculated.)

风机动量叶素理论设计中迭代计算风机叶片弦长与扭角(Fan momentum blade element theory design iteration fan blade chord and twist angle)

一种声场计算模型的源程序，for3d的一个较旧版本。(for3d programme the old one )

电力系统暂态分析中非常有用的三相短路计算程序，只要改变输入就可用于求解具体问题(power system transient analysis is very useful three-phase short-circuit the process. as long as the change in input can be used to solve specific problems)

自己写的稀疏矩阵类，包括存储、访问以及基本的数学运算，希望大家批评指正！(Sparse matrix classes, including storage, access, and basic mathematical operations, we hope to criticism!)

三个MATLAB里实现傅里叶变换FFT的源程序代码，每种代码都进行了作图演示(Three in MATLAB source code to achieve Fourier Transform (FFT), each code have been mapped demo)

xfdtd中用于计算光子晶体PBG的算例(example used for PBG calculation in xfdtd)

fluent中用于修改湍流粘度系数的自定义函数(udf to modify turbulence viscosity coefficient in fluent)

说明：  计算超短脉冲非线性传输的一个比较成熟的M文件(Calculation of nonlinear transmission of ultrashort pulse of a more mature M documents)