Building Digital Twins

This open access book gathers peer-reviewed contributions presented at the Building Digital Twin International Congress (BDTIC), held in Kaunas, Lithuania on May 14-15, 2025, as part of the SmartWins project. Focusing on digital twins to ensure the transition to a smart, sustainable, resilient and carbon neutral built environment, the contributions highlight the latest findings in this fast-growing field, addressing topics such integral components of smart buildings digitised assessment, indoor environmental quality assessment with smart sensors, IoT and digital twins for assessing the performance of smart buildings, and energy assessment of smart buildings in BIM environment.

Design Wire Engineer Leverage and Transfer (DWELT) framework for building level Digital Twins.- Evaluating the interoperability of TEASER and AixLib for building digital twins within Modelon Impact Environment A Case Study.- A Digital Twins model based on IFC open BIM models managed on Web platforms.- Overview of the Use of AI in Buildings Sustainability Assessment.- Urban Digital Twin Data Requirements and Reference Architecture for Green Spaces and Ecosystems.- Towards true networked Urban Digital Twins a Development Agenda.