variableR.

求给定矩阵的逆矩阵和行列式值。已经经过测试，与matlab做了对比，计算结果可靠(Seeking a given matrix inverse matrix and determinant value. Has been tested with Matlab contrast, reliable calculation results)

fortran四阶龙格库塔法 计算程序自己编程(fortran fourth-order Runge-Kutta method)

SPH方法计算二维溃坝问题的源程序，个人觉得还可以(Two-dimensional dam break problem SPH method the source, individuals felt that I could)

ABAQUS 二维fortran粘弹性边界单元；可用于动力计算(ABAQUS 2D fortran viscoelastic boundary element for dynamic calculation)

利用PSCAD对光伏电池的并网控制进行了仿真，利用扰动增量法，可实现最大功率输出(The grid connected control of photovoltaic cell using PSCAD simulation, using the perturbation incremental method can achieve maximum power output )

双馈风机（DFIG）的模型，包括风力发电机的拓扑结构和简化控制策略(The DFIG (DFIG) model, including the topology of the wind turbine and simplify control strategy)

abaqus 连续损伤子程序，GTN细观损伤材料用户子程序，VUMAT子程序调试(dubug)文件。(abaqus CDM GTN materials user subroutine（umat）VUMAT dubug file)

运用P-R状态方程，迭代计算甲烷气体压缩因子(The use of PR equation of state, iterative calculation of methane gas compressibility factor)

稀疏矩阵算法及其程序实现(杨绍祺+谈根林)，有解决稀疏矩阵需要的朋友可以好好认真的看一下(Sparse matrix algorithm and program implementation (Yang Shaoqi+ Tan root forest), solve sparse matrix can be a good friend in need a serious look at)

说明：  重力异常正演代码，请好好使用它。帮助学习。。。。(Gravity anomaly forward code, please use it well. Help learn)