Article (Scientific journals)
Biomimetic kinetic façade as a real-time daylight control: complex form versus simple form with proper kinetic behavior
Hosseini, Seyed Morteza; Heidari, Shahin; Attia, Shady et al.
2024In Smart and Sustainable Built Environment
Peer reviewed
 

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Keywords :
kinetic facade; daylight control; dynamic facade; facade form; parametric design; energy efficiency
Abstract :
[en] This study aims to develop a methodology that extracts an architectural concept from a biological analogy that integrates forms and kinetic behavior to identify whether complex forms work better or simple forms with proper kinetic behavior for improving visual comfort and daylight performance. The research employs a transdisciplinary approach using several methods consisting of a biomimetic functional-morphological approach, kinetic design strategy, case study comparison using algorithmic workflow and parametric simulation and inverse design, to develop an interactive kinetic façade with optimized daylight performance. A key development is the introduction of a periodic interactive region (PIR), which draws inspiration from the butterfly wings' nanostructure. These findings challenge conventional perspectives on façade complexity, highlighting the efficacy of simpler shapes paired with appropriate kinetic behavior for improving visual comfort. The results show the façade with a simpler “Bookshelf” shape integrated with a tapered shape of the periodic interactive region, outperforms its more complex counterpart (Hyperbolic Paraboloid component) in terms of daylight performance and glare control, especially in southern orientations, ensuring occupant visual comfort by keeping cases in the imperceptible range while also delivering sufficient average spatial Daylight Autonomy of 89.07%, Useful Daylight Illuminance of 94.53% and Exceeded Useful Daylight Illuminance of 5.11%. The investigation of kinetic façade studies reveals that precedent literature mostly focused on engineering and building physics aspects, leaving the architectural aspect underutilized during the development phase. Recent studies applied a biomimetic approach for involving the architectural elements besides the other aspects. While the biomimetic method has proven effective in meeting occupants' visual comfort needs, its emphasis has been primarily on the complex form which is difficult to apply within the kinetic façade development. This study can address two gaps: (1) the lack of an architectural aspect in the kinetic façade design specifically in the development of conceptual form and kinetic behavior dimensions and (2) exchanging the superficial biomimetic considerations with an in-depth investigation.
Disciplines :
Architecture
Author, co-author :
Hosseini, Seyed Morteza 
Heidari, Shahin
Attia, Shady  ;  Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments
Wang, Julian 
Triantafyllidis, Georgios
Language :
English
Title :
Biomimetic kinetic façade as a real-time daylight control: complex form versus simple form with proper kinetic behavior
Publication date :
27 August 2024
Journal title :
Smart and Sustainable Built Environment
ISSN :
2046-6099
eISSN :
2046-6102
Publisher :
Emerald
Peer reviewed :
Peer reviewed
Development Goals :
3. Good health and well-being
11. Sustainable cities and communities
13. Climate action
Available on ORBi :
since 28 August 2024

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