FDTD_2D

基于前推回代法的电力系统潮流计算程序。 需要输入支路阻抗和节点功率矩阵。包括支路号、首节点号、尾节点号、支路自阻抗、尾节点给定功率。 输出各节点的电压幅值、相角和各支路电流。(Power flow calculation program based on the forward and backward substitution method. Need input the branch impedance node power matrix. Including branch number, node number, the tail node number, branch self-impedance tail node given power. The output node voltage amplitude, phase angle and current of each branch.)

一个仓本模型计算程序，用于计算奇异态和序参量(a program of kuramotto)

说明：  复合材料单向板损伤模拟的Umat子程序，配合ABAQUS进行损伤模拟。(A umat subroutine for the simulation of composite meterials damage.)

故障频率计算程序，计算轴承各部件的故障频率(Failure rate calculation program to calculate the bearing parts of the fault frequency)

C++编写“三维粱单元有限元计算内核”，对杆系有限元的理论和C++的理解有了很大提高(C++ written " three-dimensional beam finite element kernel module" , and on finite element theory and the understanding of C++ has been greatly improved)

说明：  解大规模线性方程组的预条件Gmres方法.系数矩阵可以非对称正定.(Solution of large-scale linear equations of the preconditioned GMRES method. Coefficient matrix can be non-symmetric positive definite.)

一元稀疏多项式编程，希望对大家的编程有点用，欢迎下载(hope it useful to you)

工业汽轮机设计计算程序，具有很好的参考价值，可以参考学习一下(Industrial steam turbine design calculation procedures, a good reference value, you can refer to learn about)

cohesive element模拟复合材料损伤-VUMAT(cohesive element-VUMAT)

正交实验中的极差分析代码，确定因素的优水平和最优水平组合，给出指标趋势图。(Orthogonal experiment range analysis code to determine the factors that the optimal level of excellent level and combination of indicators of trends is given.)