5.3隧道问题(Kirsch Solution) 865.3.1 解析解 865.3.2 有限元素模型 875.3.3 应力值修复之品质 885.3.4 误差分布之比较 955.…pc01.lib.ntust.edu.tw|基于1 个网页 2. 隧道开挖之应力分布 5.1.2隧道开挖之应力分布(Kirsch Solution) 645.1.3点荷重之应力分布(Boussinesq Solution) 795.2内插方法效能探讨 935....
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Based on the analysis of prerequisite of Kirch's solution in the rectangular coordinates, two indicators defined as dimensionless stresses are proposed to determine the application range of Kirch's stress solution. In relation to the diameter of the central hole, several minimum coefficients of the ...
Keywords expanding the kirsch problem，orthotropic materials，two-dimensional elastic solution，stress concentration 0 引言 钻井工程中井壁失稳问题是比较棘手的井下事故，井壁失稳通常表现为井眼漏失和井壁坍塌［1-2］。从力学角度来讲，井壁失稳的诱因是井眼开凿后井周产生较大的应力集中，导致井筒压力高于坍塌...
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2) Kirsch solution Kirsch解 3) Kirsch operator Kirsch算子 1. In difference from Baker method,the algorithm addsKirsch operatorto get high-frequency features of image. 针对Baker方法建立的图像金字塔提取高频细节不够丰富的缺点,提出基于多分辨率幻觉脸算法,采用Kirsch算子提取了高频特征。