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Evolutionary Optimization of Building Facade Form for Energy and Comfort in Urban Environment through BIM and Algorithmic Modeling A case study in Porto, Portugal

Evolutionary Optimization of Building Facade Form for Energy and Comfort in Urban Environment through BIM and Algorithmic Modeling A case study in Porto, Portugal

Santiago, Pedro;

Article:

Consolidated urban areas usually present a challenge for the sustainable designdecisions for the architect. The site, orientation and surrounding builtenvironment compromise both passive and active systems, shortening the possibleoptimization measures available, leaving the designer with doubts as far asefficiency is concerned.BIM methodologies and visual programming languageshave opened up a very wide range of design and analysis tools allowing thearchitect to make informed decisions based on data extracted from the models.Nonetheless it's optimization is through a slow process of trial and error, creatinga significant limitation. This paper discusses the potentialities of the use ofevolutionary algorithms to generate optimized solutions for facade solarorientation. A comparison between three different evolutionary algorithmsaiming for solar radiation, inside average temperature allows to conclude thebest result versus time consumed. Although under similar results themulti-objective EA represents the best compromise between time and finalobjective on the case study chosen for the paper. The interconnectivity in realtime of BIM and algorithmic modeling softwares represents an advantage for timesaving sustainable design decisions.

Article:

Consolidated urban areas usually present a challenge for the sustainable designdecisions for the architect. The site, orientation and surrounding builtenvironment compromise both passive and active systems, shortening the possibleoptimization measures available, leaving the designer with doubts as far asefficiency is concerned.BIM methodologies and visual programming languageshave opened up a very wide range of design and analysis tools allowing thearchitect to make informed decisions based on data extracted from the models.Nonetheless it's optimization is through a slow process of trial and error, creatinga significant limitation. This paper discusses the potentialities of the use ofevolutionary algorithms to generate optimized solutions for facade solarorientation. A comparison between three different evolutionary algorithmsaiming for solar radiation, inside average temperature allows to conclude thebest result versus time consumed. Although under similar results themulti-objective EA represents the best compromise between time and finalobjective on the case study chosen for the paper. The interconnectivity in realtime of BIM and algorithmic modeling softwares represents an advantage for timesaving sustainable design decisions.

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DOI: 10.5151/proceedings-ecaadesigradi2019_464

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Como citar:

Santiago, Pedro; "Evolutionary Optimization of Building Facade Form for Energy and Comfort in Urban Environment through BIM and Algorithmic Modeling A case study in Porto, Portugal", p. 153-160 . In: Proceedings of 37 eCAADe and XXIII SIGraDi Joint Conference, “Architecture in the Age of the 4Th Industrial Revolution”, Porto 2019, Sousa, José Pedro; Henriques, Gonçalo Castro; Xavier, João Pedro (eds.). São Paulo: Blucher, 2019.
ISSN 2318-6968, DOI 10.5151/proceedings-ecaadesigradi2019_464

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