层次分析法确定权重必备 ahp

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.)

实测电压和电流的有效值及各次谐波的提取方法(The effective value of measured voltage and current and the method of extracting harmonics.)

说明：  fortran弹塑性分析程序，很有用的啊！(fortran plastic analysis program, very useful)

有限元方法与C程序设计 介绍有限元方法原理和如何设计C程序，书后有相关代码。(Finite element method with the C programming)

说明：  1. 常用的数值积分方法(特别是梯形法、Simpson方法、 Cotes公式、Romberg算法以及Gauss 求积公式)的原理； 2. 复合梯形公式，复合Simpson公式，Romberg算法的程序(1. Commonly used numerical integration methods (especially trapezoid method, Simpson method Cotes formula, Romberg algorithm and Gauss quadrature formula); 2. Program of compound trapezoid formula, compound Simpson formula and Romberg algorithm)

由反应谱生成自己想要的人工地震波。超级有用(Simulated Earthquake)

预估校正法，关于解分数阶微分方程的算法程序，适合非线性方程(Solves an initial value problem for a non-linear differential equation of fractional order (FDE). The code implements the predictor-corrector PECE method of Adams-Bashforth-Moulton )

fft谐波分析的实例，并求出THD即谐波畸变率 (Examples fft harmonic analysis, and find THD)

计算天体力学中常用的HANSEN函数,对偏心率小于0.1时适用(This code for hansen function )

说明：  Matlab是计算结构力学的好助手,计算结构力学(MATLAB is a good assistant in computational structural mechanics)