VPSO

abaqus中扩展有限元（UEL）计算疲劳断裂(extended finite element method (uel)for fracture problems within the finite element software ABAQUS)

频率响应函数计算程序,通过输入结构的响应数据，识别结构的模态参数，matlab(frequency response function，)

运用格子Boltzmann方法中的伪势模型，模拟胀大平面流道中的两相流动，左边幂律流，右边牛顿流体。得出流动过程中，各个瞬态的结果。(Using lattice Boltzmann method of pseudo potential model to simulate the swell plane channel flow, on the left side of the power-law fluid flow. On the right side of the Newtonian fluid. In the process of flowing, the result of each transient.)

学习fortran的必备，simple算法，拥有完整注释，便于学习交流，是快速学习数值传热学的利器(Learning fortran essential, simple algorithm, with complete notes, facilitate learning exchanges)

说明：  各种滤波器，包括高通、低通、带通等滤波器，可用，直接输入数值即可，可直接使用，没有bug(bandpass filter,Band pass filter, available, direct input value, can be used directly, no bug)

可以实现求解微分方程组的数值解，在func中输入需要计算的微分方程组，运行主函数即可(Can be achieved to solve the numerical solution of differential equations, the input need to calculate the differential equations in the func to run the main function can be)

最小二乘估值的SVD分解计算方法，本程序可将最小二乘估值问题转化为超定方程组的问题处理，且可用奇异值分解的方法计算最小二乘问题。(Least Squares Estimates of the SVD decomposition method, the valuation process can be transformed into squares overdetermined equations deal with the problem, and can be calculated singular value decomposition least squares problem.)

进行PQ分解，计算电力系统潮流的有效方法，应用广泛(PQ decomposition is an effective method for calculating power flow in power system.)

c语言，三角函数 对数函数 数值计算 举例说明，混合计算数值计算的C语言实现(c calculator trigonometric function logarithmic function numerical calculation)

用于求解线性方程组的追赶法！！！程序经过优化处理，运行速度快，且注释完全易于阅读，欢迎大家下载！！(Solving linear equations for the law to catch up! ! ! Optimized procedures to deal with, fast, and completely easy-to-read notes, welcome you to download! !)