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Evolution of STEP (ESTEP): Exchange of Shipbuilding Product Model Data

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Evolution of STEP (ESTEP) is a task within the MARITECH-ASE Integrated Shipbuilding Environment (ISE) Project building upon the work of the MariSTEP consortium and the NIDDESC standards development efforts. The purpose of ESTEP is to validate product model standards for the shipbuilding industry, implement product model data translators, and to further the development of Shipbuilding Application Protocols. Three of the major goals of ESTEP are developing a production-quality ship structure data exchange capability, expanding shipbuilding piping implementation efforts, and the exchange of parts and part libraries. Piping applications between the plant design industry and the shipbuilding industry are similar, and the AP used for translation of plant piping data (AP227–Plant Spatial Configuration) is much further along in the ISO process than the ISO Shipbuilding Piping AP (AP217). Both application protocols have been analyzed to determine the feasibility of using the plant AP as the ISE piping data exchange model. Shipbuilding structures will be expanding on the MariSTEP implementation that was based on a subset of the detail design data model. This will include the development of a STEP conformance class, a subset of the data model that covers a particular ship life-cycle phase or business case. Parts and part libraries are a joint effort with the ISE Electronic Commerce (EC) task to define an exchange mechanism. The critical need for such a mechanism was identified early in the MariSTEP exchange effort. ESTEP plans to exchange library part definitions, including geometric, parametric, and nongraphic attribute data. The current status, the achievements, and the future implementation plans of the ISE ESTEP are reviewed in this paper.
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Document Type: Research Article

Publication date: 01 August 2001

More about this publication?
  • The Journal of Ship Production publishes original and timely technical papers addressing problems of shipyard techniques and production of merchant and naval ships appear in this quarterly publication. Since its inception, the Journal has been a forum for peer-reviewed, professionally edited papers from academic and industry sources. As such, it has influenced the worldwide development of ship production engineering as a fully qualified professional discipline. Each issue contains a well-rounded selection of technical papers relevant to ship professionals, including written discussions and author's closures.

    From Volume 26 onwards this journal is published as Journal of Ship Production and Design
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