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《Henan Science》 2018-08
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The Forward Research of Rectangular Prism Model Based on the Gravity Gradient Tensor

CHANG Wenkai;WANG Shiwei;LIU Dingguo;YANG Rongfang;JIANG Fuyu;Guizhou Survey and Research Institute for Water Resources and Hydropower;Hohai University;  
Analytical expression of gravity gradient tensor of the cuboid was derived based on the principle of the gravity field and the gravity gradient tensor. Multiple cube gravity gradient tensor formula also be derived. Based on the theory of finite element,cutting a single cube into two cubes,the gravity gradient tensor of the model that is divided with the formula that is proved is calculated. And comparing with single rectangle theory field value,the applicability of the theory of finite element in modeling is feasible.
【Fund】: 国家自然科学基金(41504081);; 江苏省自然科学基金(BK20140844)
【CateGory Index】: P631.1
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