[논문]A "Dynamic Form-Finding" Approach to Environmental-Performance Building Design

Yao, Jia-Wei; Lin, Yu-Qiong; Zheng, Jing-Yun; Yuan, Philip F.

doi:10.21022/ijhrb.2018.7.2.145

A "Dynamic Form-Finding" Approach to Environmental-Performance Building Design 원문보기

International journal of high-rise buildings, v.7 no.2, 2018년, pp.145 - 151

Yao, Jia-Wei (College of Architecture and Urban Planning, Tongji University) , Lin, Yu-Qiong (College of Architecture and Urban Planning, Tongji University) , Zheng, Jing-Yun (College of Architecture and Urban Planning, Tongji University) , Yuan, Philip F. (College of Architecture and Urban Planning, Tongji University)

Abstract ▼ AI-Helper

Newly-designed high-rise buildings, both in China and abroad, have demonstrated new innovations from the creative concept to the creative method. from the creative concept to the creative method. At the same time, digital technology has enabled more design freedom in the vertical dimension. "Twisting" has gradually become the morphological choice of many city landmark buildings in recent years. The form seems more likely to be driven by the interaction of aesthetics and structural engineering. Environmental performance is often a secondary consideration; it is typically not simulated until the evaluation phase. Based on the research results of "DigitalFUTURE Shanghai 2017 Workshop - Wind Tunnel Visualization", an approach that can be employed by architects to design environmental-performance buildings during the early stages has been explored. The integration of a dynamic form-finding approach (DFFA) and programming transforms the complex relationship between architecture and environment into a dialogue of computer language and dynamic models. It allows the design to focus on the relationship between morphology and the surrounding environment, and is not limited to the envelope form itself. This new concept of DFFA in this research consists of three elements: 1) architectural form; 2) integration of wind tunnel and dynamic models; and 3) environmental response. The concept of wind tunnel testing integrated with a dynamic model fundamentally abandons the functional definition of the traditional static environment simulation analysis. Instead it is driven by integral environmental performance as the basic starting point of morphological generation.

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문제 정의

This research proposes a morphology generation method that is beneficial to architects, according to wind environmental performance during the early stages of architectural design. Based on the principle of dynamic form finding, this method transforms the relationship between complex architecture and wind environments into computer language and a programmable, adjustable model.

가설 설정

6). DFFA has brought a variety of advantages for twisting building design: 1) the standard layer prototype can be designed more freely; 2) the models’ movement mode can be diversely designed, for instance, through the translation and other movement modes, and the models’ arrangement can also be dynamically changed; and 3) the number of active rotating plates or servos can be adjusted to create the changeable morphology. This workshop has proved that, according to DFFA, environmental performance driven building morphology generation is under rational parametric control.
In this study, Arduino, an open-source platform that integrates software and hardware, is used to read the wind environment data and control the rotation of the machine, so as to grant the subject building in the wind tunnel the ability to “think.

제안 방법

In the initial stages of design, the purpose of performance simulation is not to obtain accurate environmental performance information, but to observe and manipulate the trend of behavior changes driven by natural forces (Yuan, 2016). The method proposed in this paper is performance-oriented, with passive strategies as its mainstay, supplemented by proactive strategies. Taking the performance targets of the wind environment as the driving parameters in the design generation and optimization process enables architects to be responsible for the environment, which brings realistic rather than subjective or arbitrarily calculated design decisions.

대상 데이터

The Council on Tall Buildings and Urban Habitat (CTBUH) (2016) revealed that there are currently 28 twisted tall towers between 93 and 632 meters in height, which have either been built or are under construction, while these twisted buildings are generating a new landmark building tendency. Representative buildings include the Shanghai Tower, Cayan Tower in Dubai and Absolute World Towers in Canada.
The wind tunnel used in this experiment is an open source, uniform, reduced-size tunnel; its total length is 3 meters. The experiment uses “Rev.

이론/모형

The genetic algorithm used in this research is based on the imitation of the “survival of the fittest” principle in the process of biological evolution in nature, which develops a random global search and optimization method.

성능/효과

DFFA has brought a variety of advantages for twisting building design: 1) the standard layer prototype can be designed more freely; 2) the models’ movement mode can be diversely designed, for instance, through the translation and other movement modes, and the models’ arrangement can also be dynamically changed; and 3) the number of active rotating plates or servos can be adjusted to create the changeable morphology. This workshop has proved that, according to DFFA, environmental performance driven building morphology generation is under rational parametric control.

참고문헌 (7)

CTBUH, Council on Tall Buildings and Urban Habitat (2016). "Tall Buildings in Numbers Twisting Tall Buildings." CTBUH Journal, 3, 46-47.
Li, L. X. (2015). Why Air?, Air through the lens of Thermodynamic Architecture, Tongji University Press, Shanghai, pp. 28.
Liu, J. (2013). The Research of Interactive Architecture Design and Its Fabrication, Master Dissertation, Tsinghua University.
Moya, R. (2015). "Empirical evaluation of three wind analysis tools for concept design of an urban wind shelter." Proc. Computer-Aided Architectural Design Research in Asia, CAADRIA, Sydney, 313-322.
Yuan, F. (2016). From Diagrammatic Thinking to Digital Fabrication, Tongji University Press, Shanghai, pp. 306.
Yuan, F. and Neil, L. (2012). Scripting the Future, Tongji University Press, Shanghai.
Zheng, J. Y., Yao, J. W., Yuan, F. (2017). "Architectural Generation Approach with Wind Tunnel and CFD Simulation: Environmental Performance-Driven Design Approach for Morphology Analysis in the Early Design Stage." Proc. Association for Computer-Aided Architectural Design Research in Asia, CAADRIA - Short Papers, Suzhou, 13-18.

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A "Dynamic Form-Finding" Approach to Environmental-Performance Building Design 원문보기

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A "Dynamic Form-Finding" Approach to Environmental-Performance Building Design 원문보기

Abstract ▼ AI-Helper

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