适合ABAQUS使用的邓肯张模型代码

气象常用程序库，解压后为多个word文档 内有源码(Meteorological common library, there are a plurality of word document source after extracting)

说明：  粒子群算法 ，matlab M文件编程实现(Particle swarm optimization, matlab M File Programming)

说明：  大气辐射传输模型，求大气透过率和辐射亮度(Atmospheric Radiation Transport Model to Calculate Atmospheric Transmittance and Radiation Brightness)

说明：  相场法材料计算的modelc-alloy 对应的基础代码，自取基础有用(The basic code corresponding to modelc-alloy for phase field method material calculation, useful for self-extraction)

说明：  读取sg2格式的地震数据，包括地震道头、数据头部分(Reading seismic data in SG2 format)

说明：  吉尔数值算法，求解刚性微分方程组，稳定好，收敛好(Gill numerical algorithm, good stability and convergence for solving rigid differential equations)

说明：  该程序可进行2D和3D恒定流分析，程序中对矩阵含义和比较难理解的部分进行了简要说明(The program can be used for 2 D and 3 D constant flow analysis. The meaning of matrix and the parts that are difficult to understand are briefly explained in the program)

复合材料hashin准则，用于判断复合材料各种典型失效模式(Hashin criterion for composite materials)

ABAQUS二次开发子程序UMAT下，采用FORTRAN编程的修正剑桥模型(Modified Cambridge model using FORTRAN programming under ABAQUS two development subroutine UMAT)

说明：  fdtd 平面波的加入 计算建模 先上传这个，下边的以后补齐(fdtd calculation of plane-wave model to join the first upload of this, after the bottom of the padded)