Abstract
ABSTRACTAn algorithm-based parametric design method was developed to generate the layout of a high-rise housing complex with improved sunlight access and compliance with the relevant building code restrictions in South Korea. Integrated with computer-aided modelling and simulation, the algorithm automatically arranges multiple apartments according to their height, separation, the shaded area between adjacent buildings and setbacks from site boundaries. The algorithm was then implemented in three high-rise housing complexes across South Korea to validate its feasibility. In all three cases, the algorithm generated housing layouts that satisfied the considered building regulations and improved overall sunlight exposure conditions. Particularly, lower-density housing with fewer buildings or floors were found to be more effective in allowing sunlight access: more housing units were included in the longest sunlight exposure duration whereas fewer units were included in the shortest sunlight duration. The proposed parametric approach allows the effective execution of both diverse experiments in housing design layouts and assessments of layouts’ sunlight access conditions, enhancing sustainable decision-making in the design process.
Highlights
One advantage of these algorithm-based parametric design methods is that the performance-evaluated design solutions can be adjusted in response to the changes that occur during the design process; this allows for significant flexibility and versatility (Caldas and Norford 2002)
The adaptability of parametric algorithm design methods enables the design process to be more efficient than conventional design methods with regard to the time, labour and cost required; this can be attributed to the parametric algorithm design methods’ use of automatic procedures for generating the most suitable performance solutions (Caldas and Norford 2003)
This study aims to provide a useful tool to automatically generate design outcomes that conform to the complex building code restrictions pertaining to sunlight access in housing layout design
Summary
Algorithm-driven parametric design methods enable the evaluation of building performances while generating and analysing multiple design alternatives catered to meet specific design goals (Shi and Yang 2013; Turrin, Von Buelow, and Stouffs 2011) One advantage of these algorithm-based parametric design methods is that the performance-evaluated design solutions can be adjusted in response to the changes that occur during the design process; this allows for significant flexibility and versatility (Caldas and Norford 2002). Both of these advantages promote the implementation of the algorithm-based parametric design methods in pursuing sustainable design approaches for various building types (Shi and Yang 2013; Wang, Zmeureanu, and Rivard 2005)
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