VirtualCity@Chalmers

This year I’m leading an exciting project called VirtualCity@Chalmers. This is an interdisciplinary research and development project initiated by the Building Futures Area of Advance at Chalmers. The aim of the project is to build a digital twin of the Chalmers campus sites Johanneberg and Lindholmen, involving 3D modeling, simulation – of traffic, pedestrian flow, heating, wind flow, air pollution, noise, flooding and more – optimization, visualization and auralization. 

We are working closely with the City of Gothenburg, and in the next phase we plan to scale the simulation to the city level. Below is a mockup of our design and a target for the development this first year. 

Mockup of VirtualCity@Chalmers.

I’m very happy with the project team we have managed to assemble. The team includes experts in mathematical modeling, simulation, architecture, human-computer interaction, communication, and – very importantly – game programming. We’ll be using Unreal Engine to build our frontend, while the backend will be running FEniCS solvers, IPS IBOFlow and data repositories in the cloud.

VirtualCity@Chalmers system design (preliminary sketch).

So far, we have managed to implement initial versions of all components, including a first version of the game engine/user interface, automated mesh generation, a couple of basic FEniCS solvers (Stokes and advection-diffusion), as well as getting the components talk to each other (via JSON over TCP). Some screenshots are posted below.

For more information on VirtualCity@Chalmers, make sure to follow our blog where we will be posting updates continuously.

VirtualCity@Chalmers game engine screenshot.

 

VirtualCity@Chalmers air pollution simulation (advection-diffusion).

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Anders Logg is Professor of Computational Mathematics at Chalmers University of Technology. His research interests are adaptive finite element methods, high-level automating software systems for solution of PDE, domain-specific languages and compilers in scientific computing, and applications in biomedicine, general relativity, and architecture. Logg is head of the unit for Computational Mathematics and excellence profile leader within Chalmers Area of Advance the Built Environment. He is director of the Swedish Network for Mathematics in Industry and member of the EMS Applied Mathematics Committee and the Swedish National Committee for Mathematics. He is co-founder and a core developer of the FEniCS Project, a leading open-source software for automated solution of PDE. Logg works part-time as scientific advisor to Fraunhofer-Chalmers Centre and Simula Research Laboratory.

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