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GIS技术在船闸水力学中的应用研究(刘本芹)

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GIS技术船闸水力学中的应用研究

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ZPg5TE0【作者】刘本芹 【导师】李云; 张瑞凯水利论文J|M.i{"S*h'_n\b
【作者基本信息】南京水利科学研究院,水力学及河流动力学,2003年,硕士

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【中文摘要】 在充分了解GIS发展动态与GIS技术功能的基础上,对船闸水力学研究内容与研究进展进行了深入分析,针对现有描述方式在信息显示、查询与管理方面的一些不足之处,通过组件开发技术与数据库的ADO访问技术,采用GIS二次开发功能组件MapObjects,研究开发了独立运行的船闸水力学GIS应用系统。 在船闸引航道信息显示与水流分析和输水系统信息查询分析等方面进行了GIS技术应用研究:(1)使图形与信息结合,在图形显示的同时,对船闸基本信息及引航道信息或输水系统信息进行编辑、浏览与查询;(2)建立输水系统属性数据库,便于图形—数据交互式查询;(3)在数学模型计算分析的基础上,将研究成果可视化。同时完成了江苏泗阳船闸下游引航道非恒定流及其改善措施的计算分析研究和宝应船闸上游引航道口门区水流条件计算分析研究,运用GIS技术和所设计的GIS应用系统对泗阳船闸下游引航道内流场以及下闸首水位波动情况进行信息显示,根据对宝应船闸的计算结果生成上游引航道口门区等流速图、横向流速等值线图和流场图,使计算分析成果数据、空间信息、属性信息与图形显示有机结合,便于查询分析,效果令人满意。 对三维GIS软件的功能特点进行...更多了充分了解和对比分析,并首次将三维GIS功能用于船闸引航道水流模拟显示与信息查询方面,完成了三维仿真显示,并进行实时信息查询,同时可通过飞行路线、不同视角来从各个角度查看流场情况。提高研究成果的可视化程度与仿真水平,有助于推动船闸水力学学科的研究进展。  还原水利论文Q1M m1]y5[![._)o

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【英文摘要】 The research contents and advance of ship lock hydraulics were deeply analysised. Aiming at defects in display, search and data processing, an application system of GIS in ship lock hydraulics that can run independently were developed by components development technique with Mapobjects and ADO of database on the basis of full apprenhend of advance and use of GIS.Application research of GIS were done in data display, flow analysis at inlet and outlet and information search about filling and emptying system and so on. First, edit, browse or search can be completed at the same time when the related figure is displayed. Second, database which involves attribute data and space data about filling and emptying system can be created so as to do some search between figure and its attribute data. Third, on the basis of analysis by mathematics model, the achievement can be made visible. At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave moti...更多on of water at the downflow head of lock chamber of SiYang navigation lock were displayed through GIS application system which we developed. According to data of BaoYing navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. Achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying.Uses and traits of three-dimensional GIS were fully comprehended and contrasted, and we completed simulation display and real time information search. Flow field situation can be seen through flying route and figures from different direction. Raising visibility and simulation level is beneficial to promote the advance of navigation lock hydraulics.  还原

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【中文关键词】 船闸水力学; GIS; 组件开发技术; 泗阳船闸; 宝应船闸; 三维GIS
kpC,B(R1q2G [O"J$K H0【英文关键词】 navigation lock hydraulics; GIS; components development; SiYang ship lock; BaoYing ship lock; three-dimensional GIS
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TAG: 船闸 技术 水力学 GIS 刘本芹
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