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用四阶龙格库塔法计算Lorenz混沌系统的时间序列(The time series of Lorenz chaotic system of fixed step size fourth-order Runge-Kutta method algorithm source code.)

超声波检测混凝土，正演分析，通过一正弦入射波检测混凝土内部是否发生破坏或损伤(Ultrasonic inspection of concrete, forward analysis, incident detection by a sinusoidal internal concrete damage or injury has occurred)

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 )

说明：  自适应步长龙格库塔法求解常微分方程，main.c内容根据自己需要改变，待求解方程为derivs，需要使用者自己编写(Adaptive step size Runge Curta Fa for solving ordinary differential equations)

有限元中LinearBarElementStiffness的matlab(FEA LinearBarElementStiffness)

MATLAB的希尔伯特谱分析，导入数据实现算出。最下二乘拟合算法。快速傅里叶变换详细算法。(MATLAB Hilbert spectrum analysis, import data to achieve calculation.The two by fitting algorithm. With the fast Fourier transform algorithm.)

有关FFT的应用仿真,包括：FFT处理仿真、FFT加窗、FFT分辨率、频谱泄露 (Simulation on the application of FFT )

有限元方法fortran编程，包括二维三维线性非线性静态分析、稳定流瞬时流分析、振动问题、特征值问题、并行计算等。包含了所有子程序。(Finite element method fortran programming, including 2D and 3D linear and nonlinear static analysis, steady flow transient flow analysis, vibration problems, eigenvalue problems, parallel computing. Contains all subroutines.)

说明：  Abaqus复合材料Hashin失效子程序(Failure subroutine of Hashin for ABAQUS composite)

数值分析方法库 本书编写了300多个实用而有效的数值算法C语言程序。其内容包括：线性方程组的求解，逆矩阵和行列式计算，多项式和有理函数的内插与外推，函数的积分和估值，特殊函数的数值计算，随机数的产生，非线性方程求解等(Numerical analysis method to prepare a library book more than 300 practical and efficient numerical algorithm C language program. Its contents include: linear equations, calculation of inverse matrix and determinant, polynomial and rational function interpolation and extrapolation, function points and the valuation of special functions numerical calculation, random number generation, non- Solving linear equations, etc.)