NDLI: Building envelope shape design using a shape grammar-based parametric design system integrating energy simulation

Content Provider	IEEE Xplore Digital Library
Author	Granadeiro, V. Duarte, J.P. Palensky, P.
Copyright Year	2011
Description	Author affiliation: Faculty of Architecture, Technical University of Lisbon, Portugal (Duarte, J.P.) \|\| MIT-Portugal Sustainable Energy Systems, Instituto Superior Técnico, Technical University of Lisbon, Portugal (Granadeiro, V.) \|\| Energy Department, AIT Austrian Institute of Technology, Vienna, Austria (Palensky, P.)
Abstract	The envelope shape is considered the most salient design characteristic in a building and also impacts its energy performance. And although energy efficiency in design is gaining momentum, the value of architectural attributes should not be underestimated. Design rules of thumb are useful guidelines to achieve better energy performance but they do not substitute energy simulation results, particularly in more complex projects. However, in the early design stages, when the envelope shape is defined, energy information is normally inexistent, due to modeling for energy simulation being a time-consuming task, frequently overlooked at this phase, when the design is still uncertain regarding many parameters. This paper presents a methodology to assist design decisions regarding the building envelope shape taking into account its implications on the energy performance of the building. Basically, this methodology involves a design system, an editable (flexible) system to generate various envelope shape designs, with integrated energy simulation, to calculate the energy consumption values of each generated design. Design systems encoded into shape grammars are more adequate for the architecture field, given their ability to guarantee stylistic coherence, but they are hard to implement. This methodology converts a grammar into a parametric design system and is illustrated with its application to the grammar for Frank Lloyd Wright's prairie houses. Output examples of the application are also presented. Results show the validity of the proposed methodology and the addition of optimization techniques is identified as the obvious next step.
Starting Page	1
Ending Page	6
File Size	1295777
Page Count	6
File Format	PDF
ISBN	9781612849928
ISSN	21530033
e-ISBN	9781612849935
DOI	10.1109/AFRCON.2011.6072140
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-13
Publisher Place	Zambia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape Grammar Floors Energy consumption Programming Optimization energy simulation building envelope shape early design stages design system
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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