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CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures
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_id 6440
authors Chang, Y.L., Lee, Y.Z. and Liu, Y.T.
year 2002
title Construction of Digital City in Physical City: Cyberspatial Cognition Approach to the Project of Hsin-Chu Digital City in Taiwan
doi https://doi.org/10.52842/conf.caadria.2002.109
source CAADRIA 2002 [Proceedings of the 7th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 983-2473-42-X] Cyberjaya (Malaysia) 18–20 April 2002, pp. 109-116
summary The cyberspace upon physical space forms a new spatial structure to increase the influence on the urban fabric and the concept of space in architecture. Today, digital cities are being developed all over the world. By using a city metaphor, digital cities integrate urban information and create public spaces. How do digital cities directly connect to physical cities and become an imaginable city? Therefore, we argue that a new spatial analysis theory must be established for digital city, comparing with theories of disciplines, to find the explicitly spatial structures and relations in digital city upon physical city.
series CAADRIA
email
last changed 2022/06/07 07:56
_id caadria2016_259
id caadria2016_259
authors Chen, Jia-Yih and Shao-Chu Huang
year 2016
title Adaptive Building Facade Optimisation: An integrated Green-BIM approach
doi https://doi.org/10.52842/conf.caadria.2016.259
source Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 259-268
summary This study focused on the optimal design of adaptive build- ing fac?ade for achieving better energy performance. Iterative fac?ade components design are studied between virtual and physical models with integrated tools of BIM, parametric design and sensor devices. The main objectives of this study are: (1) exploring systematic design process via the analysis of adaptive components in responsive fac?ade design; (2) developing compliance checking system for green building regulations; (3) developing optimization system for adaptive fac?ade design process. This paper demonstrated the integration of various digital design methods and concluded with the energy modelling re- sults of a demo project unit for various fac?ade component designs.
keywords Building fac?ade design; energy performance; design optimization; parametric design; BIM
series CAADRIA
email
last changed 2022/06/07 07:55
_id caadria2018_118
id caadria2018_118
authors Chen, Zi-Ru, Liao, Chien-Jung and Chu, Chih-Hsing
year 2018
title An Assembly Guidance System of Tou Kung Based on Augmented Reality
doi https://doi.org/10.52842/conf.caadria.2018.1.349
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 1, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 349-358
summary Tou kung represent Chinese architecture. Due to the difficulty of learning from ancient books, some develop 3D assembly models. Still, there are limits while using 2D images for assembly instructions. The purpose of this study is to explore whether the application of AR technology can guide the process of tou kung assembly and address the recognition gap between paper illustrations and the physical assembly process. The method is to observes the user's tou kung assembly behavior and performance. Then the study proposed an dynamic simulation AR guidance system to help people not only understand the structure, but also the culture behind to reach the goal of education promotion.
keywords Augmented Reality; Tou-Kung; assembly
series CAADRIA
email
last changed 2022/06/07 07:54
_id d869
authors Chu, C.-C., Dani, T.H. and Gadh, R.
year 1997
title Multi-sensory user interface for a virtual-reality-based computer-aided design system
source Computer-Aided Design, Vol. 29 (10) (1997) pp. 709-725
summary The generation of geometric shapes called `geometric concept designs' via the multi-sensory user interface of a virtual reality (VR) based system motivates the currentresearch. In this new VR-based system, geometric designs can be more effectively inputted into the computer in a physically intuitive way. The interaction mechanism issimilar to the way in which industrial designers sit and discuss concept design shapes across a table from each other, prior to making a final decision about the productdetails. By using different sensory modalities, such as voice, hand motions and gestures, product designers can convey design ideas through the VR-basedcomputer-aided design (CAD) system. In this scenario, the multi-sensory interface between human and computer plays a central role with respect to usability, usefulnessand accuracy. The current paper focuses on determining the requirements for the multi-sensory user interface and assessing the applications of different input and outputmechanisms in the virtual environment (VE). In order to evaluate this multi-sensory user interface, this paper formulates the typical activities in product shape design intoa set of requirements for the VR-CAD system. On the basis of these requirements, we interviewed typical CAD users about the effectiveness of using different sensoryinput and output interaction mechanisms such as visual, auditory and tactile. According to the results of these investigations, a nodal network of design activity thatdefines the multi-sensory user interface of the VR-CAD system is determined in the current research. The VR-CAD system is still being developed. However, voicecommand input, hand motion input, three-dimensional visual output and auditory output have been successfully integrated into the current system. Moreover, severalmechanical parts have been successfully created through the VR interface. Once designers use the VR-CAD system that we are currently developing, the interfacerequirements determined in the current paper may be verified or refined. The objectives of the current research are to expand the frontiers of product design and establisha new paradigm for the VR-based conceptual shape design system.
keywords Virtual Reality, Multi-Sensory User Interface, Conceptual Shape Design, Sensory Interaction Mechanism
series journal paper
last changed 2003/05/15 21:33
_id ad5b
authors Chu, K.
year 1998
title Genetic Space
source A.D.: Architects in Cyberspace II, vol.68, no.11-12, pp.68-73
summary The twentieth century is the century of convergence. No other century has witnessed the development and profusion of new ideas as the twentieth century, and no other century has experienced the range and scope of events that transpired globally to the extent as this century. Various historical formations and discoveries, unleashed by the Enlightenment, have profoundly changed and transformed the course of human civilization and lead to the maturation of the idea of modernity in this century. With two years left to the start of the next millennium, we are experiencing the effects of modernity that have channeled powerful innovations into the dawn of a new era that could lead, potentially, beyond modernity. More than anything, it signals one of the major premises of the enlightenment to radicalize the substance of nature through the substance of reason and, thereby, altering the modality of the cultural universe of humanity into a genuine cosmopolitical concept. The synthesis of energy, matter and information into a three-parameter system of explanation has created conditions that allow us to think the unthinkable and extend our imagination to the limits of the conceivable. Modernity, from a metaphysical standpoint, brings to light the concept of a transcendental reason that aims to clarify the conditions of possibility for reason as an apriori given. As a consequence, it paved the way for a systemic constitution of a cosmic concept of reason that partakes in the arrival of alien intelligence and one that seems destined to project itself into an ontological domain of its own making. If modernity is an unfinished project, as claimed by some, its program is, nonetheless, being transformed into a cosmogenetic principle where synthesis is the pre-eminent outcome of a return to a second nature, i.e., a transcendent concept of nature. Even though the transcendental dialectic of critical reason is directed towards the timeless unity of the unconditioned, the genitive logic implicit within cosmic reason, itself a form of recursive self-propelling intelligence, appears to be animated by a projective force capable of engendering and pro-creating in the evolutionary sense of the term.
series other
last changed 2003/04/23 15:50
_id acadia10_32
id acadia10_32
authors Chu, Karl
year 2010
title The Global Brain: Beyond The Correlationist Paradigm In Architecture
doi https://doi.org/10.52842/conf.acadia.2010.032
source ACADIA 10: LIFE in:formation, On Responsive Information and Variations in Architecture [Proceedings of the 30th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-4507-3471-4] New York 21-24 October, 2010), pp. 32-35
series ACADIA
type keynote paper
email
last changed 2022/06/07 07:54
_id architectural_intelligence2024_5
id architectural_intelligence2024_5
authors Mengjuan Hu, Jiading Zhong, Yujie Chu & Jianlin Liu
year 2024
title Assessment on natural ventilation and pollutant dispersion around sunken squares by transient simulation
doi https://doi.org/https://doi.org/10.1007/s44223-024-00049-0
source Architectural Intelligence Journal
summary Sunken square is a semi-open public space that has been gaining popularity in urban planning and designs. Its semi-open design is beneficial to ventilation of the connected underground spaces, but it is also subject to potential exposure to ground-level traffic pollutants. To evaluate the semi-open design’s influence on the balance between underground ventilation efficiency and the pollutant exposure, this study uses large eddy simulation (LES) to simulate turbulent wind flow characteristics and pollutant dispersion in a typical sunken square. The sunken square is connected to two indoor spaces with single-sided opening, and the design features of staircase and arcade are further tested for their influences on the wind flow field. The air change rate per hour (ACH, h-1) is adopted to quantify the ventilation efficiency of the two connected indoor spaces. Results show that the staircases amplify wind velocities for the indoor spaces but also bring higher pollutant concentrations inside together. Moreover, the design of the arcade at the opening prompts the vortex to shift towards the entrance, leading to a heightened concentration of pollutants. Meanwhile, the effective ACH is mostly contributed by the turbulent diffusion (ACHt), while the mean flow (ACHm) has much less effect on the ventilation of the indoor spaces. These findings of this study provide references for sunken square design.
series Architectural Intelligence
email
last changed 2025/01/09 15:03
_id 2790
authors Mon Chu
year 1996
title A Symbolic/Neural Hybrid Approach to Emergent Subshape Recognition
doi https://doi.org/10.52842/conf.caadria.1996.191
source CAADRIA ‘96 [Proceedings of The First Conference on Computer Aided Architectural Design Research in Asia / ISBN 9627-75-703-9] Hong Kong (Hong Kong) 25-27 April 1996, pp. 191-198
summary Recognizing emergent subshape is one kind of human visual behaviour. People usually recognize several distinct emergent subshapes from primary shapes and give them different interpretations. This paper presents a symbolic/connectionist hybrid system to provide computers the ability of this kind. Through this approach, the recognition system is divided into three modules. Source images are sent to the first module, that is a connectionist network, of the hybrid system. The network is responsible for transforming the source image into abstract visual data, named Pre-attention Distribution and Local Feature Information. Then, the abstract visual data are processed in the second module that is a symbolic subsystem. The subsystem is responsible for making decision in the Visual Search Attention processes and for managing the features of the whole shape. Finally, another connectionist network takes the previous results from the symbolic subsystem and performs the final recognition.
series CAADRIA
last changed 2022/06/07 07:58
_id ecaade2020_053
id ecaade2020_053
authors Ren, Yue, Chu, Jie and Zheng, Hao
year 2020
title Dynamic Symbiont - An Interactive Urban Design Method Combining Swarm Intelligence and Human Decisions
doi https://doi.org/10.52842/conf.ecaade.2020.1.383
source Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 1, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 383-392
summary Can a virtual city game be built by both the public and computer-based on real-site data? In the current process of deepening global connectivity, requirements for an effective urban design are no longer limited to functions or aesthetics, but a smart, dynamic complex with multi-interactions of data, group behaviours, and physical space. This paper introduces the logic of swarm intelligence and particle system for proposing a new urban design methodology. The platforms range from simulations that quantify the impact of the disruptive interventions of city activities to communicable collaboration between different users in a UI system, which creates virtual connections between optimized urbanscape and users. In the design system, based on the context data, the computer firstly simulates and optimizes the existing 2D activity joints between the people and analyzed the current spatial connection nodes into certain design rules. Through optimal programming for spatial connection and data iterations, the activity connection structures in the second simulation are abstracted into a set of interactive 3D topographic. The final data-visualization results are presented as a co-building megacity in a virtual construction game. Users can choose the virtual building unit types and intuitively influence the future urbanscape decision through virtual construction.
keywords Swarm Intelligence; Particle System; Digital Simulation; Human-Machine Interaction; Data Visualization
series eCAADe
email
last changed 2022/06/07 07:56
_id ecaadesigradi2019_368
id ecaadesigradi2019_368
authors Sheng, Yu-Ting, Wang, Shih-Yuan, Li, Mofei, Chiu, Yu-Hung, Lu, Yi-Heng, Tu, Chun-Man and Shih, Yi-Chu
year 2019
title Spatial Glass Bonds - Computation and fabrication system of complex glass structure
doi https://doi.org/10.52842/conf.ecaade.2019.2.251
source Sousa, JP, Xavier, JP and Castro Henriques, G (eds.), Architecture in the Age of the 4th Industrial Revolution - Proceedings of the 37th eCAADe and 23rd SIGraDi Conference - Volume 2, University of Porto, Porto, Portugal, 11-13 September 2019, pp. 251-258
summary This paper introduces an adaptive robotic spatial aggregation system for the development of an intricate self-supporting glass structure. Rather than using discrete and standardized building elements in the design and fabrication process, this research focuses on utilizing a non-arbitrary shape as an aggregated material for autonomous robotic assembly. More specifically, this paper presents an adaptive robotic fabrication pipeline that measures the size of hollow glass balls (inaccurate materials) as fabrication units to aggregate the entire glass structure. Ultraviolet (UV) curing adhesive is used as the bond between each glass element. Thus, through the live robotic programming as well as various combinations of spherical glass objects and UV curing adhesives/devices, the entire glass structure is self-supported. The project is aimed not only at the development of algorithms and a robotic fabrication system, but also the exploration of the aesthetics of glass materials. In other words, this project investigates a flexible and adaptable framework in response to live sensor data for the design and fabrication of nonstandard spatial structures aggregated out of discrete spherical glass elements, and it further explores glass material aesthetic and perception of architecture.
keywords Robotic Fabrication; Computational Design; Digital Craft
series eCAADeSIGraDi
email
last changed 2022/06/07 07:56
_id abf6
authors Wang, Ming Hung and Chu, Jung Hua
year 1997
title Spatial Delimitation and Spatial Reasoning
doi https://doi.org/10.52842/conf.caadria.1997.015
source CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 15-27
summary The paper attempts a notational system which can sufficiently describe any given architectural floor plan with the capacity to do spatial reasoning. By its descriptive power the system certainly is a good representational tool for constructing spatial configuration. By its reasoning power the system can have some semantical understanding of the spatial configurations under construction. That is, the system knows some spatial properties such as: whether this space can have sufficient daylight? Can that space be seen from this space?
series CAADRIA
last changed 2022/06/07 07:58
_id ddssar9636
id ddssar9636
authors Will, B.F., Wong, W.C.H. and Chu, C.H.
year 1996
title A Case Study of Hypermedia Applications in the Building Industry: Curtain Wall Design, Fabrication and Erection
source Timmermans, Harry (Ed.), Third Design and Decision Support Systems in Architecture and Urban Planning - Part one: Architecture Proceedings (Spa, Belgium), August 18-21, 1996
summary This paper is based on the development of a Hypermedia Information Delivery System called ArchiSpace, by the Department of Architecture, The University of Hong Kong to produce a comprehensive knowledge of a Curtain Wall system. A set of construction drawings of the building were analysed and converted to the 3D hypermedia system format. The focus of this study is the use of the hyper-model environment in information organization and once the 3D hypermedia system is formed the information on the curtain wall system is accessed by the use of hyper-text environments hyper-image environments, and hyper-model environments. The paper analysed that the hyper-model access method seems to be more appropriate than the hyper-text and hyper-image access methods for users who do not have any knowledge pre-requisites. The results obtained by this research are being applied to improve the user friendliness for information access within a hyper-model environment.
series DDSS
last changed 2003/08/07 16:36
_id caadria2024_510
id caadria2024_510
authors Wu, Yen-Liang, Hsiao, Wei-Ting and Chen, Chu-Ding
year 2024
title The Study on Augmented Reality Positioning Maps for Historical and Cultural Site Navigation
doi https://doi.org/10.52842/conf.caadria.2024.3.509
source Nicole Gardner, Christiane M. Herr, Likai Wang, Hirano Toshiki, Sumbul Ahmad Khan (eds.), ACCELERATED DESIGN - Proceedings of the 29th CAADRIA Conference, Singapore, 20-26 April 2024, Volume 3, pp. 509–518
summary In the current era, the utilization of 3D positioning maps for Augmented Reality (AR) registration is becoming increasingly prevalent, particularly in indoor guidance. This research endeavors to investigate issues related to the construction of 3D positioning maps and their application in navigation by developing an AR-guided app for a historical and cultural park. The study reveals that the use of 3D positioning maps enables the precise and stable presentation of virtual information within specific physical spaces. A majority of participants reported a positive AR navigation experience using this app. However, challenges arise when applying 3D positioning maps in outdoor settings, where factors such as tree shadows and the lack of distinctive patterns on asphalt roads can impact positioning quality. Ideally, environments with distinctive patterns are better suited for presenting AR content through 3D positioning maps. The findings of this research serve as valuable insights for future developments in map-based AR navigation systems.
keywords 3D Positioning Map, VPS, Augmented Reality, Historical and Cultural Park, AR navigation.
series CAADRIA
email
last changed 2024/11/17 22:05
_id ijac202321307
id ijac202321307
authors Yang, Qing; Chu-Fan Cao; Hai-Miao Li; Wai-Shan Qiu; Wen-Jing Li; Dan Luo
year 2023
title Is greenery green? An analytical comparison between the planned, visual, and perceived green
source International Journal of Architectural Computing 2023, Vol. 21 - no. 3, 498–515
summary This research established a comprehensive evaluation system for urban ecological assessment. Through research in the fields of urban planning, urban design, and cognitive psychology, this paper defines three ecological evaluation indexes correspondingly. They measure the vegetation coverage of land (planning green), the visibility of vegetation from the pedestrian’s viewpoint (visual green), and the psychological perception of greenery by human (perceived green). This study uses computerized parametric analysis, computerized deep learning, data visualization, and statistical methods to achieve an accurate description of the three evaluation indicators. This study assumes that the three green values may behave consistently or inconsistently at each point. Therefore, this study, on the one hand, tries to analyze the potential factors affecting each green indicator. On the other hand, by analysing the consistency or discrepancy of the three green values, this research revealed the potential link between urban spatial type and integrated ecological properties. Four areas of Brisbane dominated by different functions were selected for this study (Red Hill and Bardon for residential areas, Brisbane City for downtown CBD, and Woolloongabba for industrial areas). The results of the study demonstrate the credibility and applicability of the three green indicators in different areas, examine the various factors affecting ecology, and provide new design strategies and ideas for urban designers
keywords Urban green space, urban ecology, street view image, green perception, subjective measurement
series journal
last changed 2024/04/17 14:30

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