UMAT-Example

改进的burgers模型，非常适合学习UMAT的同志们学习，来自廖公云老师的《ABAQUS有限元软件在道路工程中的应用》(Improved burgers model is ideal for learning UMAT comrades learn from Liao Gongyun teacher "ABAQUS finite element software road works)

说明：  comsol仿真的学习教程，有助于初学者深度掌握comsol的 基本使用(Comsol simulation course is helpful for beginners to master the basic usage of COMSOL)

FLUENT udf 更改S-A 湍流模型源项的程序(modify turbulence model S-A)

三维Hashin准则，分层准则的渐进损伤失效模拟子程序(progress damage evaluation)

使用经典R/S方法计算赫斯特指数，以衡量数据的分型特性(using R/S method to caculate the Hurst exponent)

里面包含了随机矩阵理论里经典的仿真，如marcenko-pastur law,tracy-widom law等(It contains some classical simulationa in the random matrix theory，such as marcenko-pastur law,tracy-widom law)

多项式的加减法运算，输入的多项式带有未知数x和数字(Polynomial addition and subtraction calculations)

Matlab 算法寻找Bessel函数的零点。(find the zero point of Bessel functions)

说明：  fluent中udf的实例 计算曳力的例程 可以作为参考以及udf帮助手册(The example of UDF in fluent can be used as a reference to calculate the traction)

说明：  有限体积法求解方腔流动。有限体积法求解方腔流动有限体积法求解方腔流动(Finite volume method to solve the cavity flow. Finite volume method to solve the cavity flow finite volume method to solve the cavity flow)