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Synchronous Multi-Objects Individual Marking Model 认领 引用
1
作者 Shen Jun Gu Guanqun 《Journal of Southeast University(English Edition)》 CAS 2001年第2期1-4,共4页
For individual marking in coming distance education,a novel model that is based on component object model andagent is proposed.It supports multi-objects-oriented online synchronous individual marking on operating test... For individual marking in coming distance education,a novel model that is based on component object model andagent is proposed.It supports multi-objects-oriented online synchronous individual marking on operating test.Some relatedimplementation technologies are also discussed. 展开更多
关键词 agent component object model distance education individual teaching and marking
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Computational implementation of a GIS developed tool for prediction of dynamic ground movement and deformation due to underground extraction sequence 认领 引用 被引量：4
2
作者 Yue Cai Yujing Jiang +1 位作者 Baoguo Liu Ibrahim Djamaluddin 《International Journal of Coal Science & Technology》 EI CAS 2016年第4期379-398,共20页
In the last century, there has been a significant development in the evaluation of methods to predict ground movement due to underground extraction. Some remarkable developments in three-dimensional computational meth... In the last century, there has been a significant development in the evaluation of methods to predict ground movement due to underground extraction. Some remarkable developments in three-dimensional computational methods have been supported in civil engineering, subsidence engineering and mining engineering practice. However, ground movement problem due to mining extraction sequence is effectively four dimensional （4D）. A rational prediction is getting more and more important for long-term underground mining planning. Hence, computer-based analytical methods that realistically simulate spatially distributed time-dependent ground movement process are needed for the reliable long-term underground mining planning to minimize the surface environmental damages. In this research, a new computational system is developed to simulate four-dimensional （4D） ground movement by combining a stochastic medium theory, Knothe time-delay model and geographic information system （GIS） technology. All the calculations are implemented by a computational program, in which the components of GIS are used to fulfill the spatial-temporal analysis model. In this paper a tight coupling strategy based on component object model of GIS technology is used to overcome the problems of complex three-dimensional extraction model and spatial data integration. Moreover, the implementation of computational of the interfaces of the developed tool is described. The GIS based developed tool is validated by two study cases. The developed computational tool and models are achieved within the GIS system so the effective and efficient calculation methodology can be obtained, so the simulation problems of 4D ground movement due to underground mining extraction sequence can be solved by implementation of the developed tool in GIS. 展开更多
关键词 Computational model Geographical information system - Component object model - Complex mining geometry Ground deformation Surface subsidence
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HYSYS Automation and Its Application on Evaluation of Plate Heat Exchanger 认领 引用 被引量：3
3
作者 Dai Yuqiang Liu Wenwei +1 位作者 Wang Shaomin Hu Dapeng 《China Petroleum Processing & Petrochemical Technology》 CAS 2008年第3期55-59,共5页
When simulating or designing plate heat exchangers for multicomponent mixtures, most designers are often perplexed with the question on how to choose or estimate the physical property param- eters and hope to have a r... When simulating or designing plate heat exchangers for multicomponent mixtures, most designers are often perplexed with the question on how to choose or estimate the physical property param- eters and hope to have a reliable database that could be adopted. The commercial codes HYSYS supply the physical property package on over 1500 pure substances and over 16 000 binary coefficients for them. This work has briefly presented an efficient communication interface based on the Microsoft Component Object Model （COM） between inner plate heat exchanger simulation codes and the HYSYS package. The application of a custom-made HYSYS-COM interface has shown high efficiency, such as significant reduction of time needed for evaluating each process stream＇s properties. This automation method can be conveniently extended to further optimization study for any specific operation device such as heat transfers, columns, and other facilities. 展开更多
关键词 HYSYS automation plate heat exchanger Component Object Model （COM）
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航空发动机组件化建模技术 认领 引用 被引量：3
4
作者 孙龙飞 孙健国 张海波 《航空动力学报》 EI CAS 北大核心 2009年第10期2368-2371,共4页
提出了使用组件化开发通用航空发动机仿真平台的思想:从发动机结构的角度将发动机模型分解成多个组件;从软件功能的角度将仿真软件的辅助部分也分解成多个组件.在此基础上开发了涡扇发动机的仿真平台,取得了良好的效果.所建立的仿真系... 提出了使用组件化开发通用航空发动机仿真平台的思想:从发动机结构的角度将发动机模型分解成多个组件;从软件功能的角度将仿真软件的辅助部分也分解成多个组件.在此基础上开发了涡扇发动机的仿真平台,取得了良好的效果.所建立的仿真系统实现了模块化、层次化,易于维护和改进,可扩展性强,提高了代码重用率,体现了该框架的灵活性. 展开更多
关键词 建模 航空发动机 面向对象 组件化
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Analysis of the Framework of Microsoft DNA 认领 引用
5
作者 LI Hai-liang, JI Guo-li, YANG Xuan-hui 《厦门大学学报（自然科学版）》 CAS 北大核心 2002年第S1期
Microsoft DNA(Distributed interNet Application) has p rovided a effective framework of combination PC with the Internet perfectly; In addition, this open framework hase also given the integration of multilingual co mp... Microsoft DNA(Distributed interNet Application) has p rovided a effective framework of combination PC with the Internet perfectly; In addition, this open framework hase also given the integration of multilingual co mponents a strong managing platform. This article has deeply analysed the main technologys of Microsoft DNA, involve COM basic technology, framework of DNA, Microfost UDA(Universal Data Access),com ponent management with COM+, asynchronous communication with MSMQ(M icrosoft Message Queue). In addition, based on a comparative analysise with the C/S(Client/Server) framework, the author has illustrated the excellency of the Multi-tier framework of Microsoft DNA. 展开更多
关键词 COM (Component Object Model) DNA (Distributed in terNet Application) MTS (Microsoft Transaction Server) MSMQ (Microsoft Message Queue)
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