全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
地球学报  2003 

自动识别多期断层擦痕的一种应力反演算法

Keywords: 多期断层擦痕,应力反演,模糊聚类,算法

Full-Text   Cite this paper   Add to My Lib

Abstract:

由于地质历史上构造应力场的演变,多期断层擦痕数据的存在是应力反演所面临的普遍性问题。以往提出处理多期断层擦痕的应力反演算法都基于硬划分,忽视了数据自身的不确定性,并且一些只是传统的、处理一期断层擦痕的算法的简单延拓。在Fry(1999)的sigma空间里,同期断层擦痕向量具有统一的线性分布趋势,多期断层擦痕向量具有不同的线性分布趋势。在此基础上,本文提出利用模糊线性聚类法来识别多期断层擦痕向量的线性结构。这种算法不仅可以弥补以往算法的上述缺陷,还具有自动、直接、有效,且计算量也较小的优点。

References

[1]  Fry N,Striated faults: Visual appreciation of their constraint on possible paleostress tensors,Journal of Structural Geology? ,1999, 21(01).
[2]  ETCHECOPAR A;Vasseur G;Daignieres M,An inverse problem in microtectonics for the determination of stress tensors from fault striation analysis,JOURNAL OF STRUCTURAL GEOLOGY,1981.
[3]  Yehua Shan;Hongbin Sun;Ge Lin,Separation of polyphase fault/slip data: An objective-function algorithm based on hard division,Journal of Structural Geology? ,2003, 25(06).
[4]  BEZDEK J C,Detection and characterization of clustering algorithms,IMA JOURNAL OF APPLIED MATHEMATICS,1981(01).
[5]  Angelier J,Determination of the mean principal directions of stresses for a given population,Tectonophysics? ,1979, 56.
[6]  HARDCASTLE K C;Hills L S,Brute3 and Select:Quickbasic 4 programs for determination of stress tensor configurations and separation of heterogeneous,Computers & Geosciences,1991(01).
[7]  Guo Guirong;Zhuang Zhaowen,Fuzzy techniques in the information processing,Press of National Defense University of Science and Technology,1993.
[8]  Xie Furen;Liu Guangxun,Analysis of netectonic stress field in area of the central segment of Altun fault zone,China Earthquake Research in China,1989(03).
[9]  NEMCOK M;LISLE R J,A stress inversion procedure for polyphase fault/slip data sets,Journal of Structural Geology? ,1995, 17.
[10]  Bedzek J C,Cluster Validity with Fuzzy Sets,Journal of Cybernetics? ,1973, 3(03).
[11]  谢富仁;刘光勋,阿尔金断裂带中段区域新构造应力场分析,中国地震,1989(03).
[12]  郭桂蓉;庄钊文,信息处理中的模糊技术,长沙:国防科技大学出版社,1993.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133