Multi-objective optimization of parametric form of native residential building based on comfort in hot and dry climate of Yazd city

Document Type : Original Research

Authors
Mohammadmehdi Moulaii 1
Maryam Younesi 2
1 Assistant Professor, Department of Architecture, Faculty of Art and Architecture, Bu-Ali Sina University, Hamedan, Iran.
2 Master's degree in digital technology architecture, Department of Architecture, Faculty of Art and Architecture, Bu-Ali Sina University, Hamedan, Iran.
Abstract
Aims: Considering the share of about 35% of energy consumption by buildings, energy consumption management requires special attention from architects. Building form is one of the most influential parameters on energy consumption, and the Yazd city, as an example of an arid and warm climate, is the focus of this research. The purpose is to provide a solution to produce the optimal form of independent vernacular building as a basic policy in the conceptual design phase in Yazd city.



Methods: Using parametric modeling and energy simulation by suitable computer tools, multi-objective optimization of the building form was carried out considering two indicators of thermal and visual comfort by genetic algorithm for the arid and warm climate of Yazd city. Several subsurface area values were considered as input and the results were presented in four general forms: cube, L, U and O.



Findings: In this research, the optimal options were analyzed and compared, and a general model for the optimal form and orientation of the building was presented. The results of the research showed that the most optimal form, considering the thermal comfort index as a priority index for all the investigated areas, is a rectangular cube form with a shape factor of about 1.8 and a north-south orientation.



Conclusion: Using the form and optimal orientation of the building as a passive policy that is the basis for other active and passive policies can have an Appropriate effect on creating comfort and reducing energy consumption in a combined manner.

Keywords

Subjects

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