Object-Oriented Data Exchange for the Integration of Design Processes in Structural Engineering

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by Uwe Rüppel, Univ of Darmstadt, Germany,
Udo Meissner, Univ of Darmstadt, Germany,
Bernd Möller, Univ of Darmstadt, Germany,

Document Type: Proceeding Paper

Part of: Computing in Civil and Building Engineering:

Abstract: The computer integration of tasks, activities, tools, user and data exchange interfaces, management of knowledge etc. requires a new approach by object-oriented modeling in civil engineering. In order to ensure no loss of information within the data exchange between different sub-process, it is necessary to analyze the planning process carefully and to specify appropriate data exchange interfaces describing the various models. Owing to system independence it is also necessary to use a neutral interface, such as the international data exchange format STEP ('Standard for Exchange of Product Data', ISO) [STEP, 1992] which is commonly implemented in mechanical engineering. As this exchange format does not satisfy typical and basis demands of civil engineering problems, the 2D Building Subset STEP-2DBS [STEP-2DBS, 1989] was initiated by some leading companies in Germany. The syntax of STEP-2DBS, especially the definition of adequate AEC entities (Architecture, Engineering and Construction), allows the specification of object-oriented hierarchical data structures for the exchange of data describing product sub-modes [Rueppel, 1992]. The present article presents a decomposition of the design process in sub-processes with adequate product sub-models. The implementation of a structural and a static model in STEP-2DBS together with the accompanying Object Oriented Model Management (OOMM) in C++ is also demonstrated.

Subject Headings: Data processing | Computer models | Structural design | Computer aided design | Structural engineering | Information management | Data analysis | Germany | Europe

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