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 caadria2018_217
id caadria2018_217
authors Zhang, Le-Min, Jeng, Tay-Sheng and Zhang, Ruo-Xi
year 2018
title Integration of Virtual Reality, 3-D Eye-Tracking, and Protocol Analysis for Re-Designing Street Space
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. 431-440
summary The objective of this paper is to develop an eye-tracking technology combined with a virtual reality system for an experimental study of an historical street design. Using protocol analysis, a set of design objects, parameters, and subjects are randomly selected for evaluation of the virtual street space of an ancient city. 3-D point-cloud data of spatial behaviors are tracked and analyzed. It is concluded that people with different cultural backgrounds each have a considerably different perception of the street space's characteristics. The methodology described in this paper can be used for spatial design of urban space in the future.
keywords Virtual Reality; Eye-Tracking; Protocol Analysis; Street Space
series CAADRIA
last changed 2018/05/17 07:08

_id acadia09_264
id acadia09_264
authors Zhang, Yu; Feng, Han; Wang, Jianguo
year 2009
title An Interactive Decision Support System for Deriving Plot Ratios Based on the Similarity Relations Between Land Attributes
source ACADIA 09: reForm( ) - Building a Better Tomorrow [Proceedings of the 29th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-9842705-0-7] Chicago (Illinois) 22-25 October, 2009), pp. 264-266
summary This paper presents a simple tool for deciding land attribute plot ratios by defining elementary entities and their relationships from the viewpoint of a complex adaptive system. Each entity in this case, a block in the city, is described according to its condition and potential for development, such as land function, accessibility, landscape control, and so on. This not only provides a rich yet subtle identification of each entity, but also creates the basis to establish dynamic interconnections between them. The similarity coefficient, calculated by the comparison between the different blocks’ factors fits well with the explanation of the spontaneous development of the city. The weight of every factor and the threshold of the similarity coefficient are both set as variables, with the optimized value recommended as a default, which ensures a multitudinal application of this software with a focus on different aspects of urban planning. The resultant self-regulatory system with flexible input is not only a credible tool for deriving plot ratios, but also an effective platform to activate urban design creations. The system, as a socio-technical tool, enhances the essential process of urban self-organization and hetero-organization.
keywords Decision Support, software, self-organization systems, parametric systems
series ACADIA
type Short paper
last changed 2009/11/26 16:44

_id caadria2019_442
id caadria2019_442
authors Zhao, Bing, Kasseb, Zeynab and Yuan, Philip F.
year 2019
title Connecting Computation to Urban Social System - An Application of Agent-Based Model on Simulations of the favela
source M. Haeusler, M. A. Schnabel, T. Fukuda (eds.), Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 1, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, pp. 255-262
summary The complexity of urban social system makes it difficult to be computerized. The trend of simplification has always existed in understanding and modelling the city. However, this enlarges the gap between the planned or designed urban and the real operations of the city. This research focuses on the Favela to study the general principles of the social system and is doing an attempt to computerize the Favela. Agent-based Model is applied in this research and has been developed by involving more groups of agents, imitating multiple social systems. The interactions among different systems in computation are based on initial sociological studies. The computational model can be understood as a preliminary study of computerized social system.
keywords city; self-organization; Favela; agent-based model; urban
series CAADRIA
last changed 2019/04/16 08:25

_id ddss2006-pb-169
id DDSS2006-PB-169
authors Zhenjiang Shen, Mitsuhiko Kawakami, and Ping Chen
year 2006
title Study on a Decision Support System for Large-Scale Shopping Centre Location Planning Using a Multi-Agent System
source Van Leeuwen, J.P. and H.J.P. Timmermans (eds.) 2006, Progress in Design & Decision Support Systems in Architecture and Urban Planning, Eindhoven: Eindhoven University of Technology, ISBN-10: 90-386-1756-9, ISBN-13: 978-90-386-1756-5, p. 169-184
summary Multi-agent system as a bottom-up approach has been shown powerful in better understanding processes of urban development and growth. Most of them are approaching from economic theory and social behaviours but urban planning. This paper proposes an alternative approach to urban simulation that combines urban planning with agents' behaviour in multi-agent modelling thus to make scenarios analysis more reasonable particularly for decision based on urban land use plan. This paper discusses the approach as a computer simulative solution of a new large-scale shopping centre location for most regional cities in Japan where commercial heart of inner city is facing decline. We postulate that policy decision makers can get better understanding of the policies' impact on inner city commercial environment under different scenarios through computer experimentation.
keywords Inner city decline, Planning regulations, Planning policy, Agent
series DDSS
last changed 2006/08/29 10:55

_id caadria2014_014
id caadria2014_014
authors Zhong, Chen; Stefan Müller Arisona and Gerhard Schmitt
year 2014
title A Visual Analytics Framework for Large Transportation Datasets
source Rethinking Comprehensive Design: Speculative Counterculture, Proceedings of the 19th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2014) / Kyoto 14-16 May 2014, pp. 223–232
summary The advancement of sensor technologies makes it possible to collect large amounts of dynamic urban data. On the other hand, how to store, process, and analyze collected urban data to make them useful becomes a new challenge. To address this issue, this paper proposes a visual analytics framework, which is applied to transportation data to manage and extract information for urban studies. More specifically, the proposed framework has three components: (1) a geographic information system (GIS) based pipeline providing basic data processing functions; (2) a spatial network analysis that is integrated into the pipeline for extracting spatial structure of urban movement; (3) interactive operations allowing the user to explore and view the output data sets at different levels of details. Taking Singapore as a case study area, we use a sample data set from the automatic smart card fare collection system as an input to our prototype tool. The result shows the feasibility of proposed framework and analysis method. To summarize, our work shows the potential of geospatial based visual analytics tools in using ‘big’ data for urban analysis.
keywords GIS; visual analytics; transportation data; flow map; spatial network analysis
series CAADRIA
last changed 2014/04/22 08:23

_id caadria2018_082
id caadria2018_082
authors Zhu, Li and Yang, Yang
year 2018
title Optimization Design Study of Lightweight Temporary Building Integrated with PCMS Through CFD Simulation
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 2, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 155-164
summary In fact, the phase change materials (PCMs) integrated in the building envelope structure can decrease the buildings' energy consumption by enhancing thermal energy storage capacity, which has been acknowledged and appreciated by many engineers and architects. To achieve a better practical application effect under the minimum cost principle and provide a different design method based on indoor thermal discomfort evaluation results for stakeholders, this paper numerically test the application effect of composite envelope under Tianjin climate through commercial computational fluid dynamic soft (Fluent). Further, parameter sensitivity to thermal performance of the composite envelope and indoor thermal discomfort are investigated in this paper, and two different evaluation indicators are introduced and used here. The numerical results obtained in this paper support the high potential of using PCM in lightweight temporary buildings and highlight the further optimization design work.
keywords Optimization design; Lightweight temporary building; PCMs; CFD simulation
series CAADRIA
last changed 2018/05/17 07:08

_id ddss2008-41
id ddss2008-41
authors Zimmermann, Gerhard
year 2008
title Individual Comfort in Open-Plan OfficesA Case Study
source H.J.P. Timmermans, B. de Vries (eds.) 2008, Design & Decision Support Systems in Architecture and Urban Planning, ISBN 978-90-6814-173-3, University of Technology Eindhoven, published on CD
summary Although it was proven by many field studies of office environments that complete thermal user satisfaction can only be achieved by setting the indoor climate to individual user preferences, open-plan offices do not support this requirement. In addition, irregular occupancy of such offices leads to suboptimal energy usage. This paper will show how the design of such offices can be supported by tools that integrate individual thermal user preferences and schedules into performance simulations to test and evaluate different partitioning structures, HVAC equipment, and control strategies in regard to satisfaction and energy consumption. A case study is used as demonstrator.
keywords Computer Aided Architectural Design, Simulation of Users and the Built Environment, User Satisfaction
series DDSS
last changed 2008/09/01 15:06

_id 2006_326
id 2006_326
authors Zisimopoulou, Katerina and Alexis Fragkiadakis
year 2006
title Constructing the String Wall - Mapping the Material Process
source Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 326-335
summary The String Wall is the emergent product of a study on technological applications in architecture. Our team attempted to test the limits of the common partition wall construction, challenging the standard notion of the partition screen wall that recedes behind the structures, spaces and objects as a background condition. Such vibrant a partition as the SW becomes the center to the formation of the space it defines. The story of the SW could be described as the organic combination of the bow and the twist. The latent materiality and geometry of the bow and the twist as composite systems that are mined for their structural, tectonic and programmatic potential are tested prior to final construction by 3D printed scaled models. The SW is composed of successive frames that consist of vertical twisted strips of plywood attached to wooden beams. These frames emulate the stud elements of the conventional dry wall partition systems and are manufactured entirely manually. On the other hand, the use of CNC milling machine is employed for the production of the bowed plywood strips that fill in the frame. Three fluctuated curvatures produce strips that are combined rhythmically to produce the striated effect of the SW. The material is manipulated in order to expose its hidden side, the sequence of the multiple layers of the different infilling conditions. The oblique perspective of the SW is achieved through a novel geometric transparency, thus offering constantly changing views to a moving observer. The manipulation of the position of the component bowed and twisted strips explore the application of a see-through condition that escapes the norm and reveals the back to the front in a unique whole. The void of the screen wall becomes ultimately programmatic through the use of light. A sequence of halogen lights situated at the top and bottom of the in-between the wooden strips void create the dumbfounded effect of the SW experience.
keywords Digital construction methods; shape studies; rapid prototyping; 3D printer models
series eCAADe
last changed 2006/08/16 16:54

_id dd19
authors Ziuriene, Ryte
year 2001
title Some Problems of Intellectual Data Management in CAAD
source Architectural Information Management [19th eCAADe Conference Proceedings / ISBN 0-9523687-8-1] Helsinki (Finland) 29-31 August 2001, pp. 161-164
summary An example of the list of school spaces made according to the strictly recommended standards is given in the article. A concept of computer-aided evaluation of various design parameters (i.e. lighting of the spaces, their position and geographical orientation, etc.) based on different regulating statements is presented.
keywords CAAD, Standards, Space Design, Intellectual Data Management
series eCAADe
last changed 2001/08/06 20:38

_id acadia17_660
id acadia17_660
authors Zivkovic, Sasa; Battaglia, Christopher
year 2017
title Open Source Factory: Democratizing Large-Scale Fabrication Systems
source ACADIA 2017: DISCIPLINES & DISRUPTION [Proceedings of the 37th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-96506-1] Cambridge, MA 2-4 November, 2017), pp. 660- 669
summary Open source frameworks have enabled widespread access to desktop-scale additive manufacturing technology and software, but very few highly hackable large-scale or industrial open source equipment platforms exist. As research trajectories continue to move towards large-scale experimentation and full-scale building construction in robotic and digital fabrication, access to industrial fabrication equipment is critical. Large-scale digital fabrication equipment usually requires extensive start-up investments which becomes a prohibitive factor for open research. Expanding on the idea of the Fab Lab as well as the RepRap movement, the Open Source Factory takes advantage of disciplinary expertise and trans-disciplinary knowledge in construction machine design accumulated over the past decade. With the goal to democratize access to large-scale industrial fabrication equipment, this paper outlines the creation of two full-scale fabrication systems: a RepRap based large-scale 3-axis open source CNC gantry and a 6-axis industrial robot system based on a decommissioned KUKA KR200/2. Both machines offer radically different economic frameworks for implementing research in advanced full scale robotic fabrication into contexts of pedagogy, the research lab, practice, or small scale local building industry. This research demonstrates that such equipment can be implemented by building on the current knowledge base in the field. If industrial robots and other large-scale fabrication tools become accessible for all, the collective sharing of research and the development of new ideas in full-scale robotic building construction can be substantially accelerated.
keywords education, society & culture; CAM; prototyping; construction/robotics; education; digital heritage
series ACADIA
last changed 2017/10/17 09:13

_id 8c9e
authors Zohar, Ruth and Shaviv, Edna
year 1988
title A Decision-Making Model for Optimizing Solar Retrofit : Solar Vis-A-Vis Conservation
source 1988? pp. [5] : ill. : tables. includes bibliography
summary A decision making model for selecting the optimal or quasi optimal solar retrofit design solutions for low-income residential buildings is presented. The model can serve the architect as a tool and provide guidance on how to improve the building's thermal performance during the different design stages. The model allows him to consider the contribution of energy conservation solutions vis-a-vis solar energy gains solutions based on accumulating knowledge of design precedents. It also allows the use of different strategies for searching the solutions that best fits the different design stages. The sensitivity of the suggested decision making model was checked and satisfactory results obtained
keywords decision making, energy, architecture, optimization, conservation, simulation, precedents, knowledge
series CADline
last changed 2003/06/02 08:24

_id ecaade2012_184
id ecaade2012_184
authors Zomparelli, Alessandro ; Erioli, Alessio
year 2012
title Emergent Reefs
source Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 1 / ISBN 978-9-4912070-2-0, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 329-337
summary The purpose of Emergent-Reefs is to establish, through computational design strategies and machine-based fabrication, seamless relationships between three different aspects of the architectural process: generation, simulation and construction, with the intent of exploiting the expressive and tectonic potential of D-Shape technology for underwater reef formations as a design response to coastal erosion. Starting from a digital simulation of a synthetic local ecosystem, a generative technique based on multi-agent systems and reaction-diffusion (through continuous cellular automata - CCA) is implemented in a voxel fi eld at several scales. Discrete voxel space eases the simulation of complex systems and processes (including CFD simulations) via CCA algorithms, which then can be translated directly to the physical production system, which in case of addtive technology can be specifi ed as guided growth.
wos WOS:000330322400033
keywords Reaction-diffusion; Reefs; Multi-agent Systems; Open Source; D-Shape
series eCAADe
last changed 2014/04/14 11:07

_id 6445
authors Zorgno, A., Brusasco, P. and Caneparo, L.
year 1996
title Large-scale Design Project Integration across Computer Networks
source Education for Practice [14th eCAADe Conference Proceedings / ISBN 0-9523687-2-2] Lund (Sweden) 12-14 September 1996, pp. 415-425
summary This paper presents the study of a computer system capable of supporting the information work connected with a design project at an urban scale. The computer system must fulfil a number of specific requirements. First, it must integrate a complex set of instruments for creating, retrieving, manipulating, processing, managing the interaction between the users and the overall information regarding the project. Secondly, it must operate at a geographical level to connect the various actors involved. Third, because of the heterogeneity of the participants involved, it must be compatible with numerous systems, even low entry, to ensure effective accessibility even to small companies, firms and citizens. The computer networks extend the possibility of accessing the information beyond the project employees, towards the citizens. In the computers and in the networks, which connect them, the idea of interaction as communication and reciprocal action is inherent. A result is the possibility of interacting dynamically with the information, of assimilating, modifying, and redistributing it in progress. An high level of accessibility and interactivity with respect to information points to different approaches to architectural design and urban planning.

series eCAADe
last changed 2003/05/16 19:36

_id sigradi2017_098
id sigradi2017_098
authors Zorzón, Cecilia Verónica; María Elena Tosello, Luis Gustavo Gonçalves Costa, Lucas Baisch, Figueiredo
year 2017
title Procesos creativos y colaborativos mediatizados. Caso Expo 3D/20. [Creative and collaborative mediated processes. Expo 3D / 20 Case.]
source SIGraDi 2017 [Proceedings of the 21th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-227-439-5] Chile, Concepción 22 - 24 November 2017, pp.684-691
summary This research documents the results of an international collaborative artistic production. The "Expo 3D / 20" initiative emerged from the celebration of the 20th Conference of the Ibero-American Digital Graphic Society, held in Buenos Aires in 2016. Each work represents one of the twenty editions of the conference, starting from the reinterpretation and resignification of their subjects, graphics, papers, etc., and were made using different digital techniques, or mixed techniques that combine analog and digital procedures. This article aims to examine, evaluate and quantify the results of the collaborative experience, and reflect on the interactions and creative potential of crowdthinking.
keywords Crowdthinking; Digital design; Collaborative process; Collaborative art; Maker culture.
series SIGraDi
last changed 2018/07/27 08:08

_id caadria2015_124
id caadria2015_124
authors Çavu_o_lu, Ömer H.
year 2015
title Building Information Modeling Tools: Opportunities for Early Stages of Architectural Design
source Emerging Experience in Past, Present and Future of Digital Architecture, Proceedings of the 20th International Conference of the Association for Computer-Aided Architectural Design Research in Asia (CAADRIA 2015) / Daegu 20-22 May 2015, pp. 427-436
summary Numerous researchers point out that in the early stages of architectural design many significant decisions are taken to directly affect functional qualities, performance of the building, aesthetics, and relationships of the building with the natural environment and climate, even if there is no certain and valid information to create satisfactory design solutions. This paper particularly focuses on the early stages of architectural design and searches for the opportunities provided by Building Information Modeling (BIM) tools, in terms of the concept of performance analysis and form seeking. The study also includes case study implementations which visualize the early processes of architectural design with benefits of BIM under different conditions to evaluate its opportunities during these design processes. A few case studies have been implemented to reveal how new BIM tools can help designers in these stages. As a result of the implementations, it has been understood that BIM is a powerful early stages of architectural design tool; not for designing, but for supporting design.
keywords Building Information Modeling; computational design analysis; performance evaluation in the early design stages.
series CAADRIA
last changed 2015/06/05 05:14

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