The grand challenges of climate change demand a new paradigm of urban design that takes the perfor- mance of urban systems into account, such as energy and water efficiency. Traditional urban design methods focus on t...The grand challenges of climate change demand a new paradigm of urban design that takes the perfor- mance of urban systems into account, such as energy and water efficiency. Traditional urban design methods focus on the form-making process and lack performance dimensions. Geodesign is an emerging approach that emphasizes the links between systems thinking, digital technology, and geographic con- text. This paper presents the research results of the first phase of a larger research collaboration and pro- poses an extended geodesign method for a district-scale urban design to integrate systems of renewable energy production, energy consumption, and storm water management, as well as a measurement of human experiences in cities. The method incorporates geographic information system （GIS）, parametric modeling techniques, and multidisciplinary design optimization （MDO） tools that enable collaborative design decision-making. The method is tested and refined in a test case with the objective of designing a near-zero-energy urban district. Our final method has three characteristics. （1） Integrated geodesign and parametric design： It uses a parametric design approach to generate focal-scale district prototypes by means of a custom procedural algorithm, and applies geodesign to evaluate the performances of design proposals. （2） A focus on design flow： It elaborates how to define problems, what information is selected, and what criteria are used in making design decisions. （3） Multi-objective optimization： The test case produces indicators from performance modeling and derives principles through a multi-objective computational experiment to inform how the design can be improved. This paper concludes with issues and next steps in modeling urban design and infrastructure systems based on MDO tools.展开更多
基金partially supported by the National Natural Science Foundation of China (71471138)
文摘The grand challenges of climate change demand a new paradigm of urban design that takes the perfor- mance of urban systems into account, such as energy and water efficiency. Traditional urban design methods focus on the form-making process and lack performance dimensions. Geodesign is an emerging approach that emphasizes the links between systems thinking, digital technology, and geographic con- text. This paper presents the research results of the first phase of a larger research collaboration and pro- poses an extended geodesign method for a district-scale urban design to integrate systems of renewable energy production, energy consumption, and storm water management, as well as a measurement of human experiences in cities. The method incorporates geographic information system （GIS）, parametric modeling techniques, and multidisciplinary design optimization （MDO） tools that enable collaborative design decision-making. The method is tested and refined in a test case with the objective of designing a near-zero-energy urban district. Our final method has three characteristics. （1） Integrated geodesign and parametric design： It uses a parametric design approach to generate focal-scale district prototypes by means of a custom procedural algorithm, and applies geodesign to evaluate the performances of design proposals. （2） A focus on design flow： It elaborates how to define problems, what information is selected, and what criteria are used in making design decisions. （3） Multi-objective optimization： The test case produces indicators from performance modeling and derives principles through a multi-objective computational experiment to inform how the design can be improved. This paper concludes with issues and next steps in modeling urban design and infrastructure systems based on MDO tools.
