Leastsquarespolynomialfitting

北京航空航天大学数值分析大作业第二题，有难度，这可是历年北航研究生转载最多的代码了(Beijing University of Aeronautics and Astronautics numerical analysis of large operating the second question, there is difficulty, this is the most over the years Beihang University Graduate reproduced the code)

abaqus在岩土工程中应用，第六章其中的一段源代码，(apply for geotectnical)

ABAQUS中各种不同本构的内聚力单元fortran用户子程序(ABAQUS in a variety of constitutive cohesive unit fortran user subroutines)

Fortran编写的用来计算集中力在三维半空间弹性体中下表面应力的程序。(Written in Fortran is used to calculate the stress concentration at the surface in three-dimensional space of half an elastomer program.)

比较完善的面向对象的有限元程序代码，适用于编写大型程序的学习(typical C++ code for OOFEM)

说明：  计算流体力学基础中的二维欧拉方程求解程序，对流项离散采用JST格式，时间离散采用显示 Runge-Kutta法。(To calculate the two-dimensional Eula equation solver in the basis of fluid mechanics, the flow item discrete is in JST format and the time discrete is shown runge-Kutta method.)

abaqus fortran 纤维拉伸 子程序(abaqus fortran fiber stress subumat)

线弹性模型，可以对一般的弹性体通过abaqus进行验证使用(Linear elastic model)

实现高斯施戴尔迭代，可以直接输出迭代矩阵，并且，误差可以手动修改。(computate guass-sedal process )

基于TMS320LF2407的FFT算法的实现及应用(TMS320LF2407 of the FFT algorithm based on Implementation and Application of)