基于层面结构的三维闭合地质区块构造算法

英文篇名：Construction of coherent 3D geological blocks from stratified geological structure
中文刊名：北京航空航天大学学报
英文刊名：Journal of Beijing University of Aeronautics and Astronautics
作者：孟宪海 ; 杨钦 ; 李吉刚
英文作者：Meng Xianhai Yang Qin (School of Computer Science and Technology ; Beijing University of Aeronautics and Astronautics ; Beijing 100083 ; China) Li Jigang (School of Mechanical Engineering and Automation ; Beijing University of Aeronautics and Astronautics ; Beijing 100083 ; China)
中文关键词：三维 ; 地质模型 ; 三角网格 ; 闭合区块 ; 数据结构
英文关键词：three-dimension ; geological models ; triangulation nets ; coherent blocks ; data structure
出版日期：2005-02-28
机构：北京航空航天大学计算机学院,北京航空航天大学计算机学院,北京航空航天大学机械工程及自动化学院北京100083 ,北京100083 ,北京100083
年：2005
期：02
出版单位：北京航空航天大学学报

摘要

复杂地质体几何模型的建立是油气勘探开发领域的一项重要工作 ,在介绍目前地质体几何建模方法的同时 ,分析了表面建模方法与实体建模方法相互之间的融合趋势 ,提出了一种基于三角网格模型的整体建模过程 ,并在地质体层面三角网格模型的基础上 ,提出了一种改进的半边数据结构 ,给出了一种三维地质体闭合区块结构的构造算法 ,该算法为进一步的地质体实体模型的建立奠定了基础 ,并且可应用于地震正演模拟计算 ,射线追踪和三维地质模型可视化等领域 .
Building geometry model of complicated geological entity is important work in exploration and exploitation oil and gas field. With the introduction of geological geometry modeling method, the trend of syncretizing the surface modeling and solid modeling was pointed out, and an integral modeling method based on the TIN model was presented. Data structure of geological block was presented based on improving on half-edge data structure, and the algorithm of constructing coherent 3D geological blocks from completed stratified geological structure and some results was presented. The algorithm is very useful for building the solid model of geological structure and also can be used in several actual projects of forward modeling, ray tracing method and visualization of 3D geological model.

引文

[1]HouldingSW .3Dgeosciencemodeling computertechniquesforgeo logicalcharacterization[M ].BerlinHeidelberg:SpringerVerlag,1994
    [2]JesselM .Three dimensionalgeologicalmodelingofpotential fielddata[J].ComputersandGeosciences,2001,27(4):455～465
    [3]孟小红,王卫民,姚长利,等.地质模型计算法辅助设计原理与应用[M].北京:地质出版社,2001MengXiaohong,WangWeimin,YaoChangli,etal.Principleandapplicationofgeologicalmodelandcomputeraideddesign[M ].Beijing:GeologicalPublishingHouse,2001(inChinese)
    [4]蒋先艺,贺振华,黄德济.封闭结构模型建立方法[J].石油地球物理勘探,2002,37(4):339～342JiangXianyi,HeZhenghua,HuangDeji.Amethodforbuildingamodelinclosedstructure[J].OilGeophysicalProspecting,2002,37(4):339～342(inChinese)
    [5]朱大培,牛文杰,杨　钦,等.地质构造的三维可视化[J].北京:北京航空航天大学学报,2001,27(4):448～451ZhuDapei,NiuWenjie,YangQin,etal.3Dimensionvisualizationforgeologyconstructedmodel[J].JournalofBeijingUniversityofAeronauticsandAstronautics,2001,27(4):448～451(inChi nese)
    [6]蔡　强,杨　钦,陈其明.地质结构重叠域的限定Delaunay三角剖分研究[J].计算机辅助设计与图形学学报,2004,16(6):766～771CaiQiang,YangQin,ChengQiming.ConformingDelaunaytriangu lationforgeologicalstructurewithoverlappingdomains[J].JournalofComputerAidedDesign&ComputerGraphics,2004,16(6):766～771(inChinese)
    [7]MalletJL .Geomodeling[M].NewYork:OxfordUniversityPress,2001.624