Constraints in Authoring BIM Components: Results of Longitudinal Interoperability Tests

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Author(s): Claudio Benghi (Northumbria University, UK)and David Greenwood (Northumbria University, UK)
Copyright: 2018
Pages: 25
Source title: Contemporary Strategies and Approaches in 3-D Information Modeling
Source Author(s)/Editor(s): Bimal Kumar (Glasgow Caledonian University, UK)
DOI: 10.4018/978-1-5225-5625-1.ch002

Keywords: Civil Engineering / Engineering Science Reference / Government & Law / Urban & Regional Development

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Abstract

The authors investigated issues of geometric interoperability for reusable BIM components across multiple platforms using industry foundation classes (IFCs) which many proprietary BIM software platforms claim to fully support. These assertions were tested, first in 2012 and then in 2017 to assess the state and evolution of interoperability in the industry. A simple test model was created representing significant types of geometry encountered in component libraries, which were then expressed in IFC files. In the 2012 study, 11 commonly used BIM tools showed a dramatic failure to process the geometries as intended, indicating that the authoring tools, whilst technically capable of supporting required component geometric representations, were constrained from doing so by their conversion interfaces with IFC geometries. In the 2017 tests, improvements were observed though there were still significant processing failures that could result in serious errors; particularly in the case of the BIM library components imported into project design models.

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Constraints in Authoring BIM Components: Results of Longitudinal Interoperability Tests

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