ductile-fracture

本程序是基于非等距节点的正交多项式的最小二乘法拟合算法，该算法已经在vc++6.0下调试通过，经多次验证，本算法的拟合误差较小。(This procedure is based on equidistant nodes of non-orthogonal polynomial least squares fit algorithm, which has been in vc++6.0 through debugging, after repeated verification, the algorithm of fitting error is small.)

自己写用于雷达直达波对消的m文件，通过抑制直达波提高目标回波信噪比(Write their own radar direct wave for the cancellation of the m documents, by inhibiting the direct wave enhance target echo signal to noise ratio)

用C语言实现计算两个数字的最大公约数，代码简单简洁，适合初学者学习。(C language is used to calculate the maximum common divisor of two digits. The code is simple and concise. It is suitable for beginners to learn.)

晶体相场计算原子密度场分布和缺陷形成,基本程序，用于科学计算。基于Fortran 6.5编写，在其他应用程序中可能需要略微修改(Phase-field crystal modeling of atomic density field distribution)

sod 激波管问题的简单实现，包括weno3和weno5，makefile可正常运行，方便使用(Sod shock tube simple implementation of the problem, including weno3 and weno5, makefile can be normal operation, easy to use)

说明：  数值分析实验1.明确插值多项式和分段插值多项式各自的优缺点； 编程实现拉格朗日插值算法，分析实验结果体会高次插值产生的龙格现象；(Experiments of numerical analysis 1. Define the advantages and disadvantages of interpolation polynomials and piecewise interpolation polynomials. The Lagrange interpolation algorithm is programmed, and the Runge phenomenon produced by high-order interpolation is analyzed.)

电容层析成像的landweber算法演示程序，并有详细的说明。(The capacitive tomography of the landweber algorithm demonstrates the program and has a detailed description.)

有限元法计算程序，运用三角单元，进行线性插值，处理平面问题。(finite element method)

二维贴体网格 fortran 源程序；偏微分方程生成网格，附详细的说明文档(body-fit mesh generation, two dimension)

FLUENT中离散相粒子追踪设置及相关计算，设计用户自定义相关内容(Discrete phase particle tracking in FLUENT)