scholarly journals Urban Microclimate Canopy: Design, Manufacture, Installation, and Growth Simulation of a Living Architecture Prototype

2020 ◽  
Vol 12 (15) ◽  
pp. 6004
Author(s):  
Qiguan Shu ◽  
Wilfrid Middleton ◽  
Moritz Dörstelmann ◽  
Daniele Santucci ◽  
Ferdinand Ludwig
Keyword(s):  
Parametric Design ◽  
Glass Structure ◽  
Iterative Solution ◽  
Hybrid Structure ◽  
Urban Environments ◽  
Urban Microclimate ◽  
Master's Students ◽  
Climbing Plants ◽  
Technical Structure ◽  
External Stimuli

Urban Microclimate Canopy is a digitally fabricated fiber glass structure supporting climbing plants in order to explore new ways of integrating vegetation in densely built urban environments. A prototype was designed and manufactured in the context of an interdisciplinary studio with master’s students following an approach of research by design. Varying the assembly of winding frames and fiber weaving syntax generates diverse geometric shape and structural performance. For two short-term exhibitions, ivy plants were temporarily installed in the structure. This first step was followed with a reflection of systematic integration of the growth processes of climbing plants and parametric design. An iterative solution is given, consisting of a feedback loop linking the design of the technical structure, the simulation of plant growth, and the simulation of the environmental effects of the hybrid structure. To achieve this a novel framework for simulating twining plant’s growth on network-like structures is presented: external stimuli define a cone-shaped circumnutation space (searching space model) which results in a climbing path (climbing steps model). The framework is constructed to integrate improved individual functions (such as stimuli of circumnutation) for better simulation results. To acquire more knowledge about interactions between the plants and the fiber structure, the prototype was installed permanently and planted with three different climbing plants, representing different climbing mechanisms.

The New Method about Calculating Geometric Parameters of Hypoid Gear

2014 ◽  
Vol 526 ◽  
pp. 189-193
Author(s):  
Xiao Lin Wang ◽  
Yan Li
Keyword(s):  
Calculation Method ◽  
Iterative Process ◽  
Design Theory ◽  
Parametric Design ◽  
Iterative Solution ◽  
Geometric Parameters ◽  
New Method ◽  
Hypoid Gear ◽  
Solving Equations ◽  
The Stability

In this paper, it introduces a new method about calculating geometric parameters of hypoidgear. After changing the geometric parameter calculation method made by Gleason company, we can expand 16 solving equations to 20 equations, through establishing three layers of iterative solution conceptions and applying the optimal computation of modern design theory to solve all the geometric parameters, which not only solve the problem about the Gleason method without considering the changing parameters, but also improve the accuracy of the parameters and the stability of the iterative process. Finally, these also lay a foundation for the parametric design of hypoid gear.

Interactions Between Building Integrated Photovoltaics and Microclimate in Urban Environments

Solar Energy ◽  
2005 ◽  
Author(s):  
Yiping Wang ◽  
Wei Tian ◽  
Li Zhu ◽  
Jianbo Ren ◽  
Yonghui Liu ◽  
...  
Keyword(s):  
Solar Irradiance ◽  
City Planning ◽  
Fossil Fuel ◽  
Urban Environments ◽  
Anthropogenic Heat ◽  
Partial Replacement ◽  
Radiation Balance ◽  
Cooling Load ◽  
Urban Microclimate ◽  
Building Integrated Photovoltaics

BIPV (Building Integrated Photovoltaics) has progressed in the past years and become an element to be considered in city planning. BIPV has influence on microclimate in urban environments and the performance of BIPV is also affected by urban climate. The effect of BIPV on urban microclimate can be summarized under the following four aspects. The change of absorptivity and emissivity from original building surface to PV will change urban radiation balance. After installation of PV, building cooling load will be reduced because of PV shading effect, so urban anthropogenic heat also decreases to some extent. Because PV can reduce carbon dioxide emissions which is one of the reasons for urban heat island, BIPV is useful to mitigate this phenomena. The anthropogenic heat will alter after using BIPV, because partial replacement of fossil fuel means to change sensible heat from fossil fuel to solar energy. Different urban microclimate may have various effects on BIPV performance that can be analyzed from two perspectives. Firstly, BIPV performance may decline with the increase of air temperature in densely built areas because many factors in urban areas cause higher temperature than that of the surrounding countryside. Secondly, the change of solar irradiance at the ground level under urban air pollution will lead to the variation of BIPV performance because total solar irradiance usually is reduced and each solar cell has a different spectral response characteristic. The thermal model and performance model of ventilated BIPV according to actual meteorologic data in Tianjin (China) are combined to predict PV temperature and power output in the city of Tianjin. Then, using dynamic building energy model, cooling load is calculated after BIPV installation. The calculation made based in Tianjin shows that it is necessary to pay attention to and further analyze interactions between them to decrease urban pollution, improve BIPV performance and reduce cooling load.

LearnIT: A System That Can Learn and Reuse Design Strategies

1999 ◽  
Author(s):  
Thomas F. Stahovich
Keyword(s):  
Parametric Design ◽  
Iterative Solution ◽  
Design Strategy ◽  
Design Strategies ◽  
Documentation System ◽  
Design Constraints ◽  
Iterative Design ◽  
Requirements Change ◽  
Design Documentation ◽  
Design Requirements

Abstract We describe a system called LearnIT that can observe an iterative solution to a parametric design problem and learn the design strategy employed. The program represents the strategy as a set of rules, which it then uses to automatically generate new design solutions when the design requirements change. Because the rules are learned from the original designer, these new solutions reflect the original designer’s engineering judgment and knowledge of implicit constraints. LearnIT’s approach is based on the observation that often iterative design is actually a form of debugging: each iteration is an attempt to repair a particular flaw in the design. Thus, a program can learn the designer’s strategy by observing what actions are taken in response to each kind of flaw. We have found that the state of the design constraints (satisfied or not satisfied) is a good indicator of what flaws are being addressed at any given time. Because of its ability to capture and reuse the original designer’s understanding of the problem, LearnIT’s primary use is as a design documentation system. However, because it can learn and reuse a design strategy, it can also be considered a design automation tool.

LearnIT: An Instance-Based Approach to Learning and Reusing Design Strategies

1999 ◽  
Vol 122 (3) ◽  
pp. 249-256 ◽  
Author(s):  
Thomas F. Stahovich
Keyword(s):  
Parametric Design ◽  
Iterative Solution ◽  
Design Strategy ◽  
Learning Method ◽  
Design Strategies ◽  
Approach To Learning ◽  
Iterative Design ◽  
Instance Based Learning ◽  
Requirements Change ◽  
Design Requirements

We describe LearnIT, a computer program that can observe an iterative solution to a parametric design problem and learn the design strategy employed. When the design requirements change, the program uses the learned strategy to automatically generate a new solution in the “style” of the original. The program uses a specialized instance-based learning method based on the observation that iterative design is often a form of debugging—each iteration is an attempt to repair a particular flaw in the design. Thus, the program learns the design strategy by observing what actions are taken in response to each kind of flaw. [S1050-0472(00)01203-4]

The influence of natural and urban environments on attentional processing of emotional stimuli

2014 ◽  
Author(s):  
Chrono Nu ◽  
Katie Mullin ◽  
Hailey Edwards ◽  
Kailey Kornhauser ◽  
Russell Costa ◽  
...  
Keyword(s):  
Urban Environments ◽  
Emotional Stimuli ◽  
Attentional Processing

Microfabrication of hybrid structure composed of rigid silicon and flexible PI membranes

2017 ◽  
Vol 12 (11) ◽  
pp. 913-915 ◽  
Author(s):  
Sunao Murakami ◽  
Daisuke Ishihara ◽  
Masateru Araki ◽  
Naoto Ohira ◽  
Takahiro Ito ◽  
...  
Keyword(s):  
Hybrid Structure

Minimetrò in Perugia as leverage for urban regeneration

TERRITORIO ◽  
2020 ◽  
pp. 148-163
Author(s):  
Luca Fondacci
Keyword(s):  
Urban Regeneration ◽  
Urban Environments ◽  
Low Carbon ◽  
Sustainable Mobility ◽  
Field Surveys ◽  
Peripheral Area ◽  
Alternative Means ◽  
Considerable Impact ◽  
The City ◽  
Historical Centre

In the 1970s, the fragile historical centre of the city of Perugia was a key area where the binomial of sustainable mobility and urban regeneration was developed and applied. At the turn of the xxi century, the low carbon automatic people-mover Minimetrò broadened that application from the city's historical centre to the outskirts, promoting the enhancement of several urban environments. This paper is the outcome of an investigation of original sources, field surveys and direct interviews, which addresses the Minimetrò as the backbone of a wide regeneration process which has had a considerable impact on the economic development of a peripheral area of the city which was previously devoid of any clear urban sense. The conclusion proposes some solutions to improve the nature of the Minimetrò as an experimental alternative means of transport.

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