A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An object-oriented database management system for computer-aided design of tall buildings
An effective database and database management system is the key to the success of an integrated approach to software engineering applications in general, and computer aided design (CAD) for structural applications in particular. Due to the inherent nature of CAD data such as dynamic modeling, a wide range of data types, large data volume, etc., the traditional database models, such as hierarchical, network and relational models, are unable to handle the aforementioned applications satisfactorily. An object oriented data modeling is known to be the most effective approach. However, many of the commercial object oriented databases are designed for information management, and they are inadequate for CAD application due to the different features of the object hierarchy and varying data management objectives during the design cycles. The paper presents a hierarchical index based object oriented database management model for CAD applications. To deal with the object hierarchy encountered in CAD for the design of tall buildings, the proposed database consists of several salient features, a hierarchical object model, its related storage structure, a data dictionary, a class factory and an index system. The proposed database management model has been implemented into an integrated CAD system for design application of tall buildings.
An object-oriented database management system for computer-aided design of tall buildings
An effective database and database management system is the key to the success of an integrated approach to software engineering applications in general, and computer aided design (CAD) for structural applications in particular. Due to the inherent nature of CAD data such as dynamic modeling, a wide range of data types, large data volume, etc., the traditional database models, such as hierarchical, network and relational models, are unable to handle the aforementioned applications satisfactorily. An object oriented data modeling is known to be the most effective approach. However, many of the commercial object oriented databases are designed for information management, and they are inadequate for CAD application due to the different features of the object hierarchy and varying data management objectives during the design cycles. The paper presents a hierarchical index based object oriented database management model for CAD applications. To deal with the object hierarchy encountered in CAD for the design of tall buildings, the proposed database consists of several salient features, a hierarchical object model, its related storage structure, a data dictionary, a class factory and an index system. The proposed database management model has been implemented into an integrated CAD system for design application of tall buildings.
An object-oriented database management system for computer-aided design of tall buildings
Liang, J. (author) / Chang, T.Y.P. (author) / Chan, C.M. (author)
Engineering with Computers ; 14 ; 275-286
1998
12 Seiten, 22 Quellen
Article (Journal)
English
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