重力勘查工作中基于大样法的松散沉积层密度测定方法的改进
耿涛, 冯凡, 杜辉, 冯治汉, 郭培虹

The improvement of density measurement method of loose sedimentary based on large sample method in gravity survey
GENG Tao, FENG Fan, DU Hui, FENG Zhi-Han, GUO Pei-Hong
图3 六面体角点、表面编号及特征参数的定义
Fig.3 The numbering of the corner nodes and the surfaces of a hexahedral element, and the definition of the shape parameters