An Industry Foundation Classes (IFC) Web-Based Approach and Platform for Bi-Drectional Conversion of Structural Analysis Models

Projects in the Architectural Engineering and Construction (AEC) industry involve several organizations and practitioners who require sharing very diverse set of information and models. Building Information Modeling (BIM) and open standards such as Industry Foundation Classes (IFC) have made substantial progress in improving the interoperability in recent years. However, inadequate interoperability is still inflicting an economic burden and is considered one of the main limiting factors for BIM adoption. This paper presents an IFC and Web-based approach and tool that enable a bidirectional conversion among structural analysis models. The approach consists of an IFC-based unified information model and a number of algorithms that help overcoming the differences between the data structures and representation logics of different structural analysis technologies. A web-based platform, that utilizes WebGL, was developed to enable the sharing and converting of different building models. The testing of the approach and the platform developed, in a live case study, demonstrated consistency in the conversion process and stability and rendering quality in the display of models over the Web browser.

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