Modeling and Simulating Cities with Digital Twins

Journal article, 2022

The digital twin concept has virtually exploded in recent years, but within the built environment the traditional term has long been ‘3D city model’. However, the digital twin concept is increasingly gaining acceptance as a useful concept that extends beyond 3D city models for not only modelling but also simulating cities. So what are digital twins, how are they being used, and what challenges are involved?