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One of the aims of ESPRIT project 322 on CAD Interfaces (CAD*I) is the development of standards for data exchange between product definition (Computer Aided Design) systems and product analysis (Finite Element and Computer Aided Testing) systems. This report describes a standard for a neutral file which can be used for exchange of data between finite element preprocessors, finite element analysis systems and finite element postprocessors. The lexical structure and syntax of the file are formally defined. The semantics are defined in terms of a reference model which is a formal description of all the entities that can occur in the neutral file with their attributes. Additionally, an informal description of all structures appearing in the neutral file is given. The report also looks at the problems of transferring geometry data from Computer Aided Design systems to finite element preprocessors and proposes some heuristic rules for the transformations which are needed in this transfer.

Additional information

Authors: THOMAS D, Science and Engineering Research Council, Didcot (GB);VAN MAANEN J, Science and Engineering Research Council, Didcot (GB);MEAD M (EDITORS), Science and Engineering Research Council, Didcot (GB)
Bibliographic Reference: EUR 12452 EN (1990) 146 pp.
Availability: Springer-Verlag GmbH & Co. KG, Postfach 71 09, D-8000 München (DE)
ISBN: ISBN 3-540-51579-8;ISBN 0
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