Integration of CFD, VR, AR and BIM for Design Feedback in a Design Process - An Experimental Study

Fukuda, Tomohiro; Mori, Keisuke; Imaizumi, Jun

doi:10.52842/conf.ecaade.2015.1.665

Cited by 14 publications

(7 citation statements)

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“…12,13,20 Densities of fine particles are frequently represented as 2D textures (heatmap) where color is an indication of concentration, for example, in cross-sectional planes. 13,22,23 User-centered design Most of the articles mentioned above are interested in the complete processing of computation and visualization, whether in virtual reality or augmented reality, and aim at technically assessing the use of emerging technologies for the visualization of data from numerical computations. Many works thus focus on optimizing computations to allow implementation on devices with low computational power such as smartphones, as they are interesting for low-cost AR.…”

Section: D and 3d Representationsmentioning

confidence: 99%

“…21 If computational power was a limiting factor to link CFD with extended realities, many works demonstrate the feasibility of a complete chain outside computational software, by directly implementing the Navier-Stoke equations and using video game engines, 13,20,22 at the cost of lower accuracy, but which may be sufficient for exchanges with non-experts as it allows for rapid modification of scenarios and visualizations. 8 Augmented reality and virtual reality bring complementary benefits: thanks to the former, it is possible to visualize in-situ data, which is relevant in a room, 12 in a house 23 or in architectural projects, 24 but it requires the user to move. Virtual reality, on the other hand, allows the integration of many scenarios, from the real world (via scanning or modeling) or not.…”

Section: Related Workmentioning

confidence: 99%

“…12,13,20 Densities of fine particles are frequently represented as 2D textures (heatmap) where color is an indication of concentration, for example, in cross-sectional planes. 13,22,23…”

Section: Related Workmentioning

confidence: 99%

See 2 more Smart Citations

Visualizing the invisible: User-centered design of a system for the visualization of flows and concentrations of particles in the air

Christmann

Fleury

Migaud³

et al. 2022

Information Visualization

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This study presents two experiments addressing the representation of scientific data, in particular airflows, with a user-centered design approach. Our objective is to provide users feedback to data visualization designers to help them choose an air flow representation that is understandable and attractive for non-experts. The first study focuses on static markers allowing to visualize an airflow, with information characterizing the direction and the intensity. In a second study, carried out in an immersive virtual environment, two information were added, the temporal evolution and the concentration of pollutants in the air. To measure comprehension and attractiveness, participants were asked to answer items on Likert scales (experiment 1) and to answer User Experience Questionnaire (experiment 2). The results revealed that arrows seem to be a very common and understandable form to represent orientation and direction of flow, but that they should be improved to be more attractive by making them brighter and more transparent, as the representation could occlude the scene, especially in virtual reality. To solve this problem, we suggest giving the users the ability to define the specific area where they want to see the air flow, using a cross-sectional view. Vector fields and streamlines could therefore be applied in a virtual reality context.

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Section: D and 3d Representationsmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

See 1 more Smart Citation

Visualizing the invisible: User-centered design of a system for the visualization of flows and concentrations of particles in the air

Christmann

Fleury

Migaud³

et al. 2022

Information Visualization

View full text Add to dashboard Cite

show abstract

“…Virtual reality (VR) and mixed reality (MR) have been actively applied to the visualization of simulation results. Fukuda, Mori and Imaizumi (2015) presented an integrated design environment comprising computational fluid dynamics (CFD), VR, and building information modeling (BIM). When applied to an actual housing design project, their system provided an intuitive understanding of the airflow and temperature.…”

Section: Introductionmentioning

confidence: 99%

Visualization of Computer-aided Engineering Simulations on Multi-User Virtual Reality for Consensus Building

Kido,

Imazeki,

Nakayama

et al. 2023

eCAADe Proceedings

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Design plans for buildings must be proposed based on evidence and reviewed through various computer-aided engineering (CAE) simulations. The design and simulation results must be presented simultaneously in an easily understandable form, especially for non-experts such as project clients, to facilitate appropriate decision-making. This research proposes a multi-user virtual reality system that simultaneously visualizes 3dimensional computer graphics (3DCG) models of a proposed design and the CAE simulation results. To facilitate discussions among stakeholders toward consensusbuilding, multiple users can immerse themselves as avatars in the 3DCG models. The position and rotation of each avatar are synchronized in real-time by stream communication through a server. The import and display of the simulation results on the model are also synchronized in real-time by a remote procedure call. A case study demonstrated that multiple users can share the simulation results and the 3DCG model displays of the proposed designs with real-time synchronization. The delay was less than 0.1 second.

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“…For instance, Portman et al (2015) found that VR technology was developed to facilitate 3D visualization of building scenes to correct the design and development of urban buildings, thereby enhancing the artistry of urban architecture and the aesthetics of urban design. Fukuda et al (2015) investigated the role of an integrated design tool consisting of VR and computational fluid dynamics (CFD) in allowing participant feedback to be generated on novel design alternatives in an actual housing design project. More recently, De Leeuw (2017) used VR systems to entice individuals to experience and evaluate cycling systems in underpasses and tunnels.…”

Section: Introductionmentioning

confidence: 99%

Factors influencing the performance of virtual reality in urban planning: Evidence from a View corridor Virtual Reality project, Beijing

Jiang

Geertman

Zhang

et al. 2022

Environment and Planning B: Urban Analytics and City Science

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Virtual reality (VR) technologies, as new forms of planning support systems (PSSs), are becoming increasingly vital to planning. However, there is a lack of empirical research on factors influencing VR’s supportive role from a user perspective, thus producing barriers to VR’s advancement in planning practices. This neglect motivates the focus of this study, in which we adapt relevant PSS theory to build a conceptual framework that examines factors influencing VR performance in an experience-based environment. Empirical data are gathered predominantly through students’ experiences with and evaluation of the “Viewing the Western Hills at Yinding Bridge” ( Yinding Guanshan) VR Project—a VR system developed to optimize the view corridor of Beijing’s Western Hills. The results show large variability in factors influencing VR performance. In general, the effects of six factors are significant, including 3D visualization, simulating real-world scenes, user-friendliness, interactivity, inspiring participants’ enthusiasm, and inspiring creative thinking. These factors are attributed to the functionality, usability and innovativeness dimensions of VR systems. This study concludes that to realize the supportive and useful role of VR in planning, at minimum, these six factors should be explicitly taken into account.

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Integration of CFD, VR, AR and BIM for Design Feedback in a Design Process - An Experimental Study

Cited by 14 publications

References 0 publications

Visualizing the invisible: User-centered design of a system for the visualization of flows and concentrations of particles in the air

Visualizing the invisible: User-centered design of a system for the visualization of flows and concentrations of particles in the air

Visualization of Computer-aided Engineering Simulations on Multi-User Virtual Reality for Consensus Building

Factors influencing the performance of virtual reality in urban planning: Evidence from a View corridor Virtual Reality project, Beijing

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