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Integrating Animated Computational Fluid Dynamics into Mixed Reality for Building-Renovation Design

Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Technologies 2020, 8(1), 4; https://doi.org/10.3390/technologies8010004
Received: 30 November 2019 / Revised: 24 December 2019 / Accepted: 26 December 2019 / Published: 29 December 2019
(This article belongs to the Special Issue Computer-Aided Architectural Design)
In advanced society, the existing building stock has a high demand for stock renovation, which gives existing buildings new lives, rather than building new ones. During the renovation process, it is necessary to simultaneously achieve architectural, facilities, structural, and environmental design in order to accomplish a healthy, comfortable, and energy-saving indoor environment, prevent delays in problem-solving, and achieve a timely feedback process. This study tackled the development of an integrated system for stock renovation by considering computational fluid dynamics (CFD) and mixed reality (MR) in order to allow the simultaneous design of a building plan and thermal environment. The CFD analysis enables simulation of the indoor thermal environment, including the entire thermal change process. The MR system, which can be operated by voice command and operated on head-mounted display (HMD), enables intuitive visualization of the thermal change process and, in a very efficient manner, shows how different renovation projects perform for various stakeholders. A prototype system is developed with Unity3D engine and HoloLens HMD. In the integrated system, a new CFD visualization method generating 3D CFD animation sequence for the MR system is proposed that allows stakeholders to consider the entirety of changes in the thermal environment. View Full-Text
Keywords: thermal environment; computational fluid dynamics (CFD); mixed reality (MR); daylight; renovation design thermal environment; computational fluid dynamics (CFD); mixed reality (MR); daylight; renovation design
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Zhu, Y.; Fukuda, T.; Yabuki, N. Integrating Animated Computational Fluid Dynamics into Mixed Reality for Building-Renovation Design. Technologies 2020, 8, 4.

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