Abstract
The built environment contributes significantly to climate change being responsible of a large portion of global energy use and CO2 emissions. In the scientific community it become evident that designing urban environments and buildings which do less harm or have a neutral impact on the environment is not enough anymore to realize sustainable cities. This paper presents a method to help design buildings with a positive impact on the context, filling vacant lots in dense urban environments. The method defines optimal building boundaries to reduce energy use of existing surrounding premises, while guaranteeing them adequate solar access. A two-step computational workflow was developed. In the first step building space positive, negative and neutral effect on cooling, heating and electric lighting energy use is analyzed in consideration of shading factors and beam solar energy. In the second, the effect of the positive and neutral building space on sunlight exposure of neighboring premises is considered, generating energy and sunlight optimized conceptual building massing. Initial results of the method application in several urban conditions, different building use and scenarios and in different cities are presented and discussed.
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Acknowledgments
The research was supported by the grant Smart City Center of Excellence (AR20013).
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De Luca, F., SepĂșlveda, A. (2023). Urban Shaderade. Building Space Analysis Method for Energy and Sunlight Consideration in Urban Environments. In: Turrin, M., Andriotis, C., Rafiee, A. (eds) Computer-Aided Architectural Design. INTERCONNECTIONS: Co-computing Beyond Boundaries. CAAD Futures 2023. Communications in Computer and Information Science, vol 1819. Springer, Cham. https://doi.org/10.1007/978-3-031-37189-9_21
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