Ziyu Tong

Ziyu Tong
Nanjing University | NJU · Department of Architecture

Ph.D

About

45
Publications
15,508
Reads
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120
Citations
Citations since 2017
25 Research Items
100 Citations
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Introduction
Ziyu Tong currently works at the Department of Architecture, Nanjing University. Ziyu does research in Geoinformatics (GIS) and CAAD. Their current project is 'Morpho-based Study on Urban Street Spatial Configuration: The Case of Nanjing City, China'.

Publications

Publications (45)
Article
Full-text available
It is evident that the evolution of urban physical spatial form has brought many environmental problems. As a result, it is of urgent need for urban development to deepen the understanding of the evolutionary characteristics of urban physical spatial form at present. The traditional studies on forms and types of urban spaces, as well as the studies...
Article
Full-text available
The openness of the urban external space has an important impact on people’s visual perception and the urban physical environment. Exploring the quantitative description method of its openness is of great significance for understanding the urban form and further analyzing its relevance to environmental performance. By calculating the weighted avera...
Article
对现有参数化建模和智能寻优算法技术在基于性能的设计优化方面的特点和局限性进行了剖析;根据设计师在方案阶段侧重于建筑设计探索和概念发生的工作特点,介绍了具有自主设计生成和探索能力的设计优化工具EvoMass,并展示了其在方案设计中的应用。应用结果表明,设计师可以通过EvoMass提取与建筑性能相关的设计信息,并将其融入概念发生和设计综合的过程之中。同时,EvoMass为性能设计优化流程提供了面向“人机协同的设计综合”的新方法范式。 This paper centers on the need for design exploration and concept development at the early-stage architectural design and investigat...
Article
Full-text available
Quantitative analysis of the correlation between the spatial patterns of urban form and the urban thermal environment will help to improve the rationality of morphological control in urban planning and design, which is important for improving the urban thermal environment and promoting sustainable urban development. Taking Nanjing as an example, th...
Conference Paper
Full-text available
The term “Urban pores” refers to the space formed by the enclosure of buildings, which have great value for regulating the microclimate. Many previous studies have focused only on a single urban pore section, ignoring the spatial distribution at the urban scale. In this study, the openness of urban pores in Nanjing was quantified and grouped, and t...
Chapter
Full-text available
In performance-based architectural design, most existing techniques and design approaches to assisting designers are primarily for a single design problem such as building massing, spatial layouts, or facade design. However, architectural design is a synthesis process that considers multiple design problems. Thus, for achieving an overall improveme...
Conference Paper
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The complex interactive relationship between wind flow and building design poses a great challenge in architectural design. Recent research has been conducted to combine Computational Fluid Dynamics (CFD) and computational design optimization to solve the problem. However, due to the time-consuming simulation process and the assertion-oriented comp...
Article
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Urban wind environments are closely related to air pollution and outdoor human comfort. The urban natural ventilation potential (NVP) is an important factor in urban planning and design. However, for ventilation studies on urban scales, neither macroscale numerical simulations (i.e., WRF, MM5, etc.) nor microscale computational fluid dynamics (CFD)...
Article
Full-text available
For the urban built environment, the shape characteristics of the external space are of decisive significance. However, what is commonly referred to as open space is more of a definition of social attributes. Therefore, in the research on urban environments, especially in urban microclimate, the study of a microclimate’s correlation with open space...
Conference Paper
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Urban morphology provides a place for environmental behavior, and differences in urban morphology affect the environmental behavior characteristics of citizens. Studying the relationship between urban morphology and environmental behavior will contribute to reasonable urban construction. However, the current related research is main at the microsca...
Conference Paper
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Land use is one of the most basic elements of urban management. In urban planning and design, land use is often determined by experience and case studies. However, the development of urbanization has led to a combinatory trend for land use, and the land use of a plot is always impacted by the surrounding environment. In such a complex situation, it...
Conference Paper
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An extruded polyhedron is a reconfigurable geometric shape based on the extrusion of each surface of a polyhedron along the normal direction. This paper introduces an extruded polyhedral joint that uses its own spatial structure to generate multiple states. The component primarily consists of an extruded polyhedron and is equipped with an optional...
Conference Paper
Full-text available
Spatial characteristics are significant for urban form studies. Because quantifying the urban form at the macroscale is difficult, most of the relevant studies neglect or simplify the diversity of urban built areas. Local climate zone (LCZ) classification systems can transform macro urban form into a theme map composed of different LCZ classes, and...
Chapter
Full-text available
Previous automated building layout studies focus more on optimization than design diversity. However, designers constantly generate new goals in a design task owing to the complex constraints and ill-defined evaluation criteria, and then they have to repeat the optimization consequently. We consider that a more interactive human-machine cooperative...
Article
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For sustainable building design, performance-based optimization incorporating parametric modelling and evolutionary optimization can allow architects to leverage building massing design to improve energy performance. However, two key challenges make such applications of performance-based optimization difficult in practice. First, due to the paramet...
Article
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Urban public space is the main place for human outdoor activities. Simulating human behavior through the Multi-Agent System (MAS) is one of the most important methods for studying public space. However, most of the research on this topic is concerned with the way people behave and the connection to spatial layouts. It ignores the fact that in outdo...
Chapter
Full-text available
This paper describes the design and fabrication process of an adaptive joint using foldable 3D printed structures encased in heat-sealed synthetic polymer films (e.g. airtight plastic casing). The proposed joint can be pneumatically actuated using the airtight casing, and the shape of the deformation can be controlled using origami-inspired 3D prin...
Conference Paper
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Modern urban highway entrances and exits are the first perceptual interfaces for entering into cities from the outside, and play a very important role in exhibiting the image of cities. Setting up symbolic sculptures at proper positions of highway entrances and exits will play an important role in exhibiting the images of cities, and it is also one...
Conference Paper
Full-text available
Modern urban highway entrances and exits are the first perceptual interfaces for entering into cities from the outside, and play a very important role in exhibiting the image of cities. Setting up symbolic sculptures at proper positions of highway entrances and exits will play an important role in exhibiting the images of cities, and it is also one...
Conference Paper
Full-text available
MAS can be utilized to analyse macro rules of whole system by simulating a number of active agents. However, simply based on the parameter of specific environment quality and incomplete statistical setting of individual, models of pedestrian traffic in realistic open space have often been imperfect, because the behaviour of people cannot be rationa...
Article
Certain buildings are required in urban green spaces by Chinese regulations, and their area depends on the type and area of the green space. The sizes of individual buildings and the extent of dispersion among buildings in a group dramatically influences the local ecological environment and landscape. However, there is a lack of effective methods f...
Conference Paper
The paper selected a typical case in historical area of Nanjing, where present traditional fabric, to carry out the in-depth mathematical analysis of its structures. Based on the historical maps, the paper examined the street width, width-height ratio and etc. Then shape rules of plots, courtyard and buildings are analyzed according to their relati...
Conference Paper
Full-text available
An urban center area is usually a zone filled with high-rise buildings, which not only block the sunlight, but also influence the air flow. This phenomenon is extremely easy to lead to the “heat island effect” and “dry island effect”, which could result in the deterioration of microclimate and environment quality. Facing this situation, open spaces...
Conference Paper
Full-text available
Visibility is an essential factor in urban design, especially within the scenic area. Viewshed analysis, a Geographic Information System (GIS) based method, is commonly used to evaluate the urban design. However, it’s hard to be directly applied to aid the urban design in advance. The paper presents a approach to take an active part in the urban de...
Conference Paper
Full-text available
Reciprocal frame structure is a special type of spatial structure , which consist of elongated elements. The elements support each other along their span, compose a stable geometrical configuration without any clear structural hierarchy. Based on the morphology, the reciprocal frame could be categorized to 1D, 2D, and 3D. Compared to 1D and 2D, 3D...
Conference Paper
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This paper discusses an MAS (multi-agent system) based approach to generating architectural spaces that afford better modes of human movement. To achieve this, a pedestrian simulation is carried out to record the data with regard to human spatial experience during the walking process. Unlike common practices of performance oriented generation where...
Conference Paper
Full-text available
The urban green space positively affects the quality of the environment and urban life. To estimate the layout of urban green spaces, especially to describe the real difference of regional properties, the influenced zone of each green space should be identified firstly. The influenced zone can be used to quantitatively analyse the difference of reg...
Conference Paper
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There have a lot of earthwork during the construction of mountain buildings. The minor earthwork and cut and fill balance can not only reduce the construction works and lower the cost, but also lessen carbon emission which is produced in the process of construction. However, it's hard to get the accurate volume of earthwork with AutoCAD or SketchUp...
Article
Full-text available
The form of the urban fabric plays an important role in urban morphology which not only expresses the city’s overall morphological features, but also describes the relationships between buildings and plots, which are called patterns. The majority of morphological studies have focused on the street network pattern, the plot pattern and the building...
Article
Full-text available
The street space plays an important role in urban fabric studies. However, it's difficult to draw continues contour line of the street space because of the gaps between the dispersed buildings, especially in China cities. The paper developed a new method to extract the street spatial outline and indentify the perceptible street space with the cumul...
Conference Paper
A certain buildings are required in urban green space, and their area depends on the type of park and area of land. However, the regulations don't specify the distribution pattern of buildings in green space. When the green space is very large, the area of buildings would reach a large scale. Such large-scale building or group will impact the local...
Conference Paper
Full-text available
In the city, there always have some special areas like historical districts, landscape areas or areas with landmark. With the development of city, such areas limit the building height of surrounding blocks. And the building height control is very important for conserving the features of these areas. Urban designers usually set a viewpoint and a tar...
Conference Paper
Full-text available
This study has two major concentrations: 1) exploring methods of creating a digital city model, and 2) applying the model to study urban spatial structure, an issue of particular interest and importance to urban planners. Based on existing studies that address mainly on two-dimensional urban structure, this paper focuses on the three-dimensional (3...
Conference Paper
Full-text available
A digital model of the Inner city of Beijing was created to provide a visual tool for urban planning and form study, as well as for urban spatial analysis. Remote sensing (RS) techniques were used to obtain up-to-date, high-resolution satellite images. The processed satellite image was used as the basis for three-dimensional (3D) modeling. Based on...
Conference Paper
Full-text available
Can history be digitally recorded and artificially replayed? Can fine arts be created in a virtual reality display? It is maintained that objects can be represented digitally and perceived realistically. The level of reality depends upon the detail of reality reflected in the scene, the sharpness of the image, and the saturation of the color scheme...
Conference Paper
Full-text available
As we have known that natural villages were grown up with their own environment and social structure, in terms of form language they are in random process but in the level duality of village structure they have certain regularity. By using the computer technique we designed a simulator program with environmental parameters and used this program to...

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Projects

Projects (3)
Project
The aim of this project is to develop a computer-aided design approach for integrating building performance optimisation into concept architectural design exploration, by providing a more integrated building massing design generation and optimisation system that can produce site-specific and task-specific high-performing design solutions while with minimal interruption to architects' design processes. The system can help architects carry out performance-based design optimisation or optimisation-based design exploration in real-world design scenarios. In order to do so, the system enables architects to perform computational optimisation for performance-based building massing design without parametric modelling by providing two pre-defined building massing generative models (subtractive/additive models). In addition, the system also provides a hybrid evolutionary algorithm, named SSIEA, with enhancing design information feedback.
Project
Based on the architecture theory, at the meso scale, this research establishes the abstract urban model with the parameterized layout of the open spaces in hot summer and cold winter zone. With the simulation results, the statistics analysis and regression analysis are applied to explore the relationships between the features of open spaces layout and the microclimatic effects.
Project
As the most important part of urban space, street space is often regarded as the urban design object which would be made to reach certain spatial configuration expected by urban designer. As we all know that street space is shaped by the buildings along it, and that the buildings not only belong to different owners but also would be changed through the time. If it is true one might ask how does the street space change and what does this change mean to the urban development? Based upon urban morphological theory this paper investigates the relationships between street spatial configuration and urban development policies, building coding as well as urban activities. Three streets located in the center of Nanjing City with different functions and various land uses along them are selected as the research cases. Though the research this paper will demonstrate that by reading the changes of the street spatial configurations we can understand the social development stages and times, and by evaluating the street spatial configurations through the time we can see how the land policies changed the spaces. The paper suggests that confronting the dynamic phenomenon of the urban street space, urban designer should see urban form as urban morph, which will help designers to make decision more proper and better.