qang-bs46

再生混凝土细观损伤分析程序，采用随机骨料模型与双折线模型。(Recycled concrete meso-damage analysis procedures, using random aggregate model with two-line model.)

实现了声波波动方程有限差分正演模拟，交错网格下，时间2阶空间10阶(Achieve the acoustic wave equation finite difference forward modeling, staggered under the grid, the time second-order space 10 order)

说明：  萤火虫算法，一种新型算法。参数设置少，迭代速度快，结果精确。(Firefly algorithm, a new algorithm. Parameter setting small, iterative fast, accurate results.)

录音程序，音频录音fft程序，并加界面显示(radio record code)

大气参数计算，含密度、湿度、粘性、热导率等(-Air parameters, density, humidity, viscosity, thermal conductivity)

//给定整数n，产生所有[2n]上的匹配（matching） //将其视为一个所有块大小均为2的集合分拆 //以a_i表示其第i个元素所在的集合号 //输出格式为 a1 a2 a3 ... //满足 //a_{i+1} <= max { a1,a2,...a_i } + 1 (//a given integer n, have all [2n] on the matching (matching)// will be considered as an all pieces are two sets of a split// a_i said in its i elements of a collection of lies// output format for a1 a2 a3 ...// meet// a_ i (a))

高斯拟合程序，采用高斯函数拟合数据，获得拟合高斯函数的平均值和方差。(Gaussian fitting procedure, using Gaussian function fitting the data, fitting Gaussian function to obtain the mean and variance.)

基于Matlab的RCS(雷达散射截面）计算案例。 利用时域有限差分法(FDTD)的计算电磁学手段，给出了较为准确的结果。(An exact example to calculate the RCS based on Matlab. Using the FDTD method, it indicates that the simulation is quite acurate.)

UMAT for Abaqus,程序由Fortran语言写成，用于计算一般弹塑性材料的应力应变关系。(UMAT for Abaqus, written in Fortran language, is used to calculate the stress strain relationship of general elastoplastic materials.)

C语言实现Matlab中interp1和interp2中的功能。(Interp1 and interp2 in Matlab, C language the function.)