地震灾情场景计算机在线模拟系统设计
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摘要
传统大型多道地震物理模拟系统缺乏对地震灾情场景的图像直观整合,可观赏效果差。设计基于GIS的地震灾情场景计算机在线模拟系统,从系统层次划分以及软件实现两方面完成地震灾情场景的在线模拟,系统由数据层、逻辑层和应用层构成。利用逻辑层中灾情场景生成模块自动整合功能,依据研究地区的GIS数据及其开发部件的底层支持,构建建筑物的三维像素点集合模型,实现灾后场景构建;通过地震动场判定和三维坐标转换,构建灾后场景。实验结果表明,所设计的系统模拟地震灾情场景图像最低误差均值仅为3.4,观赏性好,系统功能及性能满足实际需求。
The traditional large-scale multi-channel seismic simulation system lacks the visual integration of the earthquake disaster scene, and the viewing effect is poor. Thus, a computer online simulation system of earthquake disaster scenes based on GIS was designed for this paper. The system was composed of a data layer, a logic layer, and an application layer. From two aspects of the system level division and software realization, the online simulation of an earthquake disaster scene was developed. According to the GIS data of the research area and the underlying support of the development components, a 3 D pixel set model of the buildings at the scene was constructed using the automated integration function of the disaster scene-generating module in the logic layer. A simulated reconstruction of the disaster scene was then realized through determination of the ground motion field and the three-dimensional coordinate transformation. The experimental results showed that the minimum mean error of the simulated earthquake disaster scene image was only 3.4, and the function and performance of the system could meet actual needs.
The traditional large-scale multi-channel seismic simulation system lacks the visual integration of the earthquake disaster scene, and the viewing effect is poor. Thus, a computer online simulation system of earthquake disaster scenes based on GIS was designed for this paper. The system was composed of a data layer, a logic layer, and an application layer. From two aspects of the system level division and software realization, the online simulation of an earthquake disaster scene was developed. According to the GIS data of the research area and the underlying support of the development components, a 3 D pixel set model of the buildings at the scene was constructed using the automated integration function of the disaster scene-generating module in the logic layer. A simulated reconstruction of the disaster scene was then realized through determination of the ground motion field and the three-dimensional coordinate transformation. The experimental results showed that the minimum mean error of the simulated earthquake disaster scene image was only 3.4, and the function and performance of the system could meet actual needs.
引文
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[15] 陈茂源,孙炜,梁野,等.电力二次系统内网安全监视功能的研究与实现[J].江苏电机工程,2014,33(3):31-34.CHEN Maoyuarl,SUN Wei,LIANG Ye,et al.Research and Implementation of Power System Secondary Network Security Monitoring[J].Jiangsu Electrical Engineering,2014,33(3):31-34.
[2] 岳乌云高娃.地震后重建过程中的建筑最低成本分析[J].地震工程学报,2017,39(6):1150-1155.YUE Wuyungaowa.Lowest-cost Analysis of Buildings During Post-earthquake Reconstruction[J].China Earthquake Engineering Journal,2017,39(6):1150-1155.
[3] 王东明,朱达邈,李永佳.中国地震灾害损失调查评估培训系统在线考试子系统的设计与实现[J].地震研究,2015,38(3):508-516.WANG Dongming,ZHU Damiao,LI Yongjia.Design and Implementation of Online Examination Subsystem for China Earthquake Disaster Loss Investigation Assessment Training System[J].Journal of Seismological Research,2015,38(3):508-516.
[4] 王国庆,魏建新,刘伟方,等.大型多道地震物理模拟系统设计方案及实现[J].岩性油气藏,2016,28(6):95-102.WANG Guoqing,WEI Jianxin,LIU Weifang,et al.Design of Large-scale Multi-channel Seismic Physical Modeling System and its Implementation[J].Lithologic Reservoirs,2016,28(6):95-102.
[5] 李青宁,程麦理,尹俊红,等.地震模拟振动台扩展系统理论分析及试验研究[J].振动与冲击,2015,34(7):81-84.LI Qingning,CHENG Maili,YIN Junhong,et al.Theoretical and Experimental Analysis on Shaking Table Extended System for Seismic Simulation[J].Journal of Vibration and Shock,2015,34(7):81-84.
[6] 史华.基于复杂网络的建筑物强震下抗毁性估计模型[J].地震工程学报,2017,39(6):1024-1028.SHI Hua.Invulnerability Estimation Model of Buildings with Complex Networks under Strong Earthquakes[J].China Earthquake Engineering Journal,2017,39(6):1024-1028.
[7] 严铭姣,肖梅玲,杨旸,等.地震人群疏散动力模型及仿真分析[J].云南大学学报(自然科学版),2016,38(2):238-244.YAN Mingjiao,XIAO Meiling,YANG Yang,et al.On Seismic Dynamic Model of Crowd Evacuation and the Simulation Analysis[J].Journal of Yunnan University (Natural Sciences Edition),2016,38(2):238-244.
[8] 李小光,卜方玲,徐新.基于手机加速度计的地震场景分层识别方法[J].计算机工程与应用,2017,53(6):252-257.LI Xiaoguang,BU Fangling,XU Xin.Hierarchical Seismic Scene Recognition Method Based on Mobile Accelerometer[J].Computer Engineering and Applications,2017,53(6):252-257.
[9] 杨笑梅,赖强林.考虑非线性特征及二维效应的日本小田原试验场地地震动模拟分析[J].地震工程与工程振动,2015,1(6):34-41.YANG Xiaomei,LAI Qianglin.The Simulation and Analysis of the Ground Motion at the Test Site,Odawara,Japan Considering the Nonlinear and 2 Dimension Characters[J].Earthquake Engineering and Engineering Vibration,2015,1(6):34-41.
[10] 张文英,何坤金,张荣丽,等.基于开源场景图形的三维可视化与信息管理系统设计[J].计算机应用,2016,36(7):2056-2060.ZHANG Wenying,HE Kunjin,ZHANG Rongli,et al.3-D Visualization and Information Management System Design Based on Open Scene Graph[J].Journal of Computer Applications,2016,36(7):2056-2060.
[11] 崔铁军,马云东,王来贵.地震作用下废弃采空区引起地表沉降模拟与研究[J].系统仿真学报,2016,28(3):634-639.CUI Tiejun,MA Yundong,WANG Laigui.Simulation and Research on Surface Subsidence Caused by Abandoned Goaf Under Earthquake[J].Journal of System Simulation,2016,28(3):634-639.
[12] 王耀,王桂梅,周结,等.煤矿常见灾害性地质异常体地震正演研究[J].地下空间与工程学报,2017,13(1):236-241.WANG Yao,WANG Guimei,ZHOU Jie,et al.Seismic Forward Modeling of Usual Coal Mine Geological Hazard Body[J].Chinese Journal of Underground Space and Engineering,2017,13(1):236-241.
[13] 刘舒悦,朱建明,黄钧,等.地震救援中基于信息实时更新的两阶段应急物资调配模型[J].中国管理科学,2016,24(9):124-132.LIU Shuyue,ZHU Jianming,HUANG Jun,et al.A Two-stage Operation Model for Emergency Management Based on Information Dynamic Updating In Earthquake Rescue[J].Chinese Journal of Management Science,2016,24(9):124-132.
[14] 胡宗达,杨长春,矣雷阳,等.基于非限制性结构的地震动加速度计仿真设计[J].计算机仿真,2016,33(1):127-132.HU Zongda,YANG Changchun,YI Leiyang,et al.Seismic Accelerometer Simulation Design Based on Unconstrained Structure[J].Computer Simulation,2016,33(1):127-132.
[15] 陈茂源,孙炜,梁野,等.电力二次系统内网安全监视功能的研究与实现[J].江苏电机工程,2014,33(3):31-34.CHEN Maoyuarl,SUN Wei,LIANG Ye,et al.Research and Implementation of Power System Secondary Network Security Monitoring[J].Jiangsu Electrical Engineering,2014,33(3):31-34.
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