cohesive element模拟复合材料损伤-VUMAT

求解O-S方程特征值，可以适用于多种条件下的O-S方程特征值计算(To solving OS Equation characteristic value, can be applied to a variety of conditions OS equation eigenvalue calculation)

说明：  二维河道水动力模型；matlab 迭代程序；水质模拟(Two dimensional river hydrodynamic model; MATLAB iterative program; water quality simulation)

排样算法，用于矩阵排样优化，仅供参考，有错误请原谅，( ⊙ o ⊙ )啊！(Nesting algorithms for matrix layout optimization purposes, there is an error, please forgive me, (⊙ o ⊙) ah!)

MATLAB使用欧拉Euler法求解微分方程组 源程序代码(SOURCE PROGRAM CODE OF DIFFERENTIAL EQUATIONS SOURCE SOLUTION USING EULER METHOD IN MATLAB)

晶格波尔兹曼方法，D2Q9的Matlab程序.(Lattice Boltzmann method, D2Q9 procedures)

matlab Newmark法 用于求解二阶常系数微分方程组(matlab Newmark method for solving second-order differential equations with constant coefficients)

说明：  本文为JC法程序，用于计算结构的可靠度指标。(JC method for structure reliablibity.)

说明：  飞机气动计算流体力学分析的经典之作,值得学习的好书(a excellent book about aerodyanmics introduction)

说明：  用混合同余法生成两组伪随机数，利用投针试验求圆周率。软件：matlab。(Two groups of pseudo-random numbers are generated by the method of mixed congruence, and the circularity is calculated by the test of inserting needle. Software: MATLAB.)

说明：  基于CORDIC算法计算反正切函数。输入横坐标纵坐标及迭代次数，输出角度及弧度值；附CORDIC英文文档说明(atan function based in CORDIC algorithm)