BIM and Game Engines Coupling for Digital Twin Implementation in the AEC Industry: a use-case analysis

Master thesis (2023)

Authors

L. Caporalini Civil Engineering & Geosciences

Contributors

J.W.F. Wamelink Design & Construction Management - Architecture and the Built Environment (supervisor 1)
Hans Ramler Integral Design & Management - CEG (supervisor 2)
Daniel M. Hall Design & Construction Management - Architecture and the Built Environment (supervisor 2)
I. Čustović Design & Construction Management - Architecture and the Built Environment (supervisor 2)
Faculty
Civil Engineering & Geosciences
Copyright: © 2023 Luisa Caporalini
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Published Date

28-08-2023

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

Digital Twin (DT) technology has transformed construction by creating virtual counterparts of real-world objects for improved project design and management. Integrating Building Information Modelling (BIM) with Game Engines (GEs) like Unity3D is crucial for effective DT implementation in construction. However, research in this area is limited, particularly in seamless BIM data exchange to GEs. This study bridges these gaps to enable successful DT deployment in construction.

This research addresses BIM-GE integration for construction DTs, evaluating commercial, customized and custom built data exchange methods between Autodesk Revit and Unity3D. Drawing from literature and commercial software, the methods are tailored to diverse DT use cases. The goal is to optimize workflows, enhancing efficiency and accuracy of data transmission between DTs implementing technologies. Findings provide guidance for seamless BIM-GE integration, fostering innovative and sustainable infrastructure.

Comprising four branches, the methodology involves a literature review to establish data needs for various DT applications, software pipeline evaluation, comparative analysis of data exchange methods, and prototyping using Dynamo.

Key findings include insights into DT use case requirements, analysis of data exchange method pros and cons, recommendations for DT development, and a practical prototype illustrating data exchange.

In conclusion, strategies for effective data exchange are highlighted, including bi-directional methods and real-time synchronization. Recommendations involve suitable file formats and polygon reduction techniques. Embracing emerging technologies like object behavior and sensor data enhances DT simulations. This research demonstrates how the DT use case influences the type of data need and therefore highly affects the data exchange methods to be considered when developing a DT.