绿山速度模型的grd格式转换成txt格式，可实现层位追踪和网格重新划分-Green Mountain velocity model of the grd format into txt format, can be realized horizon tracing and re-division of the grid

有限元网格划分源代码，可以用于求解石油行业油藏流固耦合问题有限元分析。-Finite element mesh source code can be used to solve the oil industry reservoir fluid-structure interaction finite element analysis.