digital datcom 源代码及实例分析

大气折射 蒙气差和天顶距以及折射系数与波长(Gas mask poor atmospheric refraction and zenith distance and refractive index with wavelength)

此程序用于sgy格式地震数据去坏道。运行程序时在DOS界面按提示输入‘输入文件名’、‘输出文件名’、‘输入文件中坏道的个数’、‘坏道道号’。即可。

计算系统的lyapunov指数，利用wolf方法。(Lyapunov exponent calculated using the wolf approach.)

Umat for GTN damage material model in Abaqus by UMAT - STATIC in Levenberg-Marquardt (LM) solution routines from Slatec library

samg使用手册--amg1r5的升级版(user manual of SAMG- an improved version of AMG1R5)

计算流体力学经典基础入门算例——艾克曼抽吸(Computational Fluid Dynamics)

Abaqus变摩擦子程序UFric和模型文件(Abaqus subroutine UFric of changing friction and model file)

说明：  6901-计算空气动力学-傅德薰 1994，优质的计算空气动力学算法教材，适合初学者学习(6901 - computational aerodynamics - Fu Dexun 1994, high quality computational aerodynamics algorithm textbook, suitable for beginners to learn)

flow3d中的源代码，适用于flow3d的二次开发，希望对大家有所帮助(source code in the flow3d flow3d apply to the second development, we want to help)

本程序用于生成高质量的网格，可用于有限元，有限体积等方法的前处理。(This procedure is used to generate high-quality mesh, can be used for finite element, finite volume methods such as pre-processing.)