Cumincad : CUMINCAD Papers : Search Results

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	acadia06_261
id	acadia06_261
authors	Lömker, Thorsten M.
year	2006
title	Revitalization of Existing Buildings through Sustainable Non-Destructive Floor Space Relocation
doi	https://doi.org/10.52842/conf.acadia.2006.261
source	Synthetic Landscapes [Proceedings of the 25th Annual Conference of the Association for Computer-Aided Design in Architecture] pp. 261-268
summary	The revitalization of existing buildings is gaining importance. We are facing a development where, in many cases, there is no need to design new buildings because an increasing number of existing buildings are not used anymore. The most ecological procedure to revitalize these buildings would be through a continued usage and by making few or no alterations to the stock. Thus, the modus operandi could be called a “non-destructive” approach.From the architect’s point of view, non-destructive redesign of existing buildings is time-consuming and complex. The methodology we developed to aid architects in solving such tasks is based on exchanging or swapping utilization of specific rooms in order to reach a design solution. With the aid of mathematical rules, which will be executed by the use of a computer, solutions to floor space relocation problems will be generated. Provided that “design” is in principle a combinatorial problem, i.e., a constraint-based search for an overall optimal solution of a problem, an exemplary method will be described to solve such problems.The design of the model developed is related to problems in logistics (e.g., the loading in trans-shipment centers). The model does not alter geometric proportions or locations of rooms, but solely changes their occupancy such that a new usage could be applied to the building. From our point of view, non-destructive models can play an important role in floor space relocation processes. Our examinations demonstrate that new patterns of utilization could be found through the use of this model.
series	ACADIA
email
last changed	2022/06/07 07:59

_id	2006_804
id	2006_804
authors	Lömker, Thorsten M.
year	2006
title	Non-Destructive Floor Space Relocation with the Aid of a Constraint Programming Language
doi	https://doi.org/10.52842/conf.ecaade.2006.804
source	Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 804-807
summary	This research focuses on an approach to describe principles in non-destructive floor space relocation within the domain of revitalization. With the aid of mathematical rules, which are executed by the use of a computer, solutions to floor space relocation problems are generated. Provided that “design” is in principle a combinatorial problem, i.e., a constraint-based search for an overall optimal solution, an exemplary method is described to solve such problems.
keywords	Revitalization; Optimization; Constraint Programming; OPL
series	eCAADe
email
last changed	2022/06/07 07:59

_id	ascaad2006_paper7
id	ascaad2006_paper7
authors	Lömker, Thorsten M.
year	2006
title	Designing with Machines: solving architectural layout planning problems by the use of a constraint programming language and scheduling algorithms
source	Computing in Architecture / Re-Thinking the Discourse: The Second International Conference of the Arab Society for Computer Aided Architectural Design (ASCAAD 2006), 25-27 April 2006, Sharjah, United Arab Emirates
summary	In 1845 Edgar Allan Poe wrote the poem “The Raven”, an act full of poetry, love, passion, mourning, melancholia and death. In his essay “The Theory of Composition” which was published in 1846 Poe proved that the poem is based on an accurate mathematical description. Not only in literature are structures present that are based on mathematics. In the work of famous musicians, artists or architects like Bach, Escher or Palladio it is evident that the beauty and clarity of their work as well as its traceability has often been reached through the use of intrinsic mathematic coherences. If suchlike structures could be described within architecture, their mathematical abstraction could supplement “The Theory of Composition” of a building. This research focuses on an approach to describe principles in architectural layout planning in the form of mathematical rules that will be executed by the use of a computer. Provided that “design” is in principle a combinatorial problem, i.e. a constraint-based search for an overall optimal solution of a design problem, an exemplary method will be described to solve problems in architectural layout planning. Two problem domains will be examined: the design of new buildings, as well as the revitalization of existing buildings. Mathematical and syntactical difficulties that arise from the attempt to extract rules that relate to the process of building design will be pointed out. To avoid conflicts relating to theoretical subtleness a customary approach has been chosen in this work which is adopted from Operations Research. In this approach design is a synonym for planning, which could be described as a systematic and methodical course of action for the analysis and solution of current or future problems. The planning task is defined as an analysis of a problem with the aim to prepare optimal decisions by the use of mathematical methods. The decision problem of a planning task is represented by an optimization model and the application of an efficient algorithm to aid finding one or more solutions to the problem. The basic principle underlying the approach presented herein is the understanding of design in terms of searching for solutions that fulfill specific criteria. This search will be executed by the use of a constraint programming language, which refers to mathematical as well as to integer and mixed integer programming. Examples of architectural layout problems will be presented that can be solved by the use of this programming paradigm. In addition to this, a second programming approach resulting from the domain of resource-allocation has been followed in this research. It will be demonstrated that it is as well possible, to aid architectural layout planning by the use of scheduling algorithms.
series	ASCAAD
email
last changed	2007/11/27 08:22

_id	ecaade2007_111
id	ecaade2007_111
authors	Lömker, Thorsten M.
year	2007
title	Location-Based Optimization to Foster Economic Decision-Making in Revitalization
doi	https://doi.org/10.52842/conf.ecaade.2007.311
source	Predicting the Future [25th eCAADe Conference Proceedings / ISBN 978-0-9541183-6-5] Frankfurt am Main (Germany) 26-29 September 2007, pp. 311-317
summary	The existent and idle stock of buildings is extensive. However, significant information about these buildings is hardly available. The real estate owners are usually not known by prospective customers and they can be elicited only with substantial effort. But even if data about a building is available, it is difficult to valuate it precisely, because there are no standard classification techniques available, which would also consider the subjective subsequent requirements of the interested parties. The question whether a building is suitable for a certain subsequent use is therefore hard to answer. It involves an extensive expenditure of time and manpower. No reliable statement about a prospective reuse of a building can be made on site by prospective clients, i.e. buyers or renters. Therefore, we examined the technology needed by the customer to accomplish in-situ ad-hoc analyses of existing buildings. These technologies are namely remote sensing devices using georeferenced data, Location-Based Services and web-based optimization techniques. The aim is to give prospective clients the possibility to visit a building and run an in-situ usability simulation. To accomplish this, building information will be transferred between the building and the client through the use of common communication devices. These devices automatically connect to server-based applications, which compare the requirements of the prospective customer with the existing building and run remote simulations on concrete further utilization. By the use of georeferenced data alternative locations of unused buildings can be integrated into the simulation as well.
keywords	Revitalization, location-based services, ubiquitous computing, web-based optimization
series	eCAADe
email
last changed	2022/06/07 07:59

_id	ecaade2022_51
id	ecaade2022_51
authors	Lüling, Claudia and Carl, Timo
year	2022
title	Fuzzy 3D Fabrics & Precise 3D Printing - Combining research with design-build investigations
doi	https://doi.org/10.52842/conf.ecaade.2022.1.067
source	Pak, B, Wurzer, G and Stouffs, R (eds.), Co-creating the Future: Inclusion in and through Design - Proceedings of the 40th Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2022) - Volume 1, Ghent, 13-16 September 2022, pp. 67–76
summary	We present a synergetic combination of two previously separate process technologies to create novel lightweight structures. 3D textiles and 3D printing. We will outline the development of a novel material system that consisted of flexible and foldable 3D textiles that are combined with stiff, linear 3D printed materials. Our aim is to produce material-reduced lightweight elements for building applications with an extended functionality and recyclability. Within an ongoing research project (6dTEX), we explore a mono-material system, which uses the same base materials for both the filament for 3D printing and the yarn of the fabrication of the 3D textiles. Based on preliminary 3D printing tests on flat textiles key process parameters were identified. Expertise has been established for 3D printing on textiles as well as for using printable recycled polyester materials (PES textile and PETG filament. Lastly for 3D printing on non-combustible material (alkali-resistant (AR) glass textiles and for 3D concrete printing (3DCP). The described process- knowledge facilitates textile architectures with an extended vocabulary, ranging from flat to single curved and folded topologies. Whereas the foundations are laid in the research project on a meso scale, we also extended our explorations into an architectural macro scale. For this, we used a more speculative design-build studio that was based on a more loose combination of 3D textiles and 3D printed elements. Lastly, we will discuss, how this first architectural application beneficially informed the research project.
keywords	Material-Based Design, Additive Manufacturing, Design-Build, Parametric Modelling, Form-Finding, Co-Creation, Lightweight Structures, Single-Origin Composites, Space Fabrics
series	eCAADe
email
last changed	2024/04/22 07:10

_id	a54a
id	a54a
authors	M Kavakli and JS Gero
year	2003
title	DIFFERENCE BETWEEN EXPERT AND NOVICE DESIGNERS: AN EXPERIMENTAL STUD
source	Human Behaviour in Design, edited by U Lindemann, Springer, Berlin, pp 42-51.
summary	This chapter investigates the differences in performance between an expert and a novice in terms of their respective strategic knowledge. We examined conceptual design protocols of an expert and a novice, and found that the expert’s cognitive activity and productivity in the design process were almost three times as high as the novice's. The possible reason for this is the difference in their strategic knowledge. The expert’s cognitive processing is structured such that it stays within the limits of human short term memory. This provides empirical evidence for a different strategic knowledge that may be developed with experience. The expert's strategic knowledge allows him to use a smaller number of processes and to form different groupings of processes.
keywords	design cognition, strategic knowledge, experts, novices
type	normal paper
email
last changed	2004/04/10 01:43

_id	caadria2005_a_1b_d
id	caadria2005_a_1b_d
authors	M. Bouattour, G.Halin, Jc. Bignon, P. Triboulot
year	2005
title	A cooperative model using semantic works dedicated to architectural design
doi	https://doi.org/10.52842/conf.caadria.2005.094
source	CAADRIA 2005 [Proceedings of the 10th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 89-7141-648-3] New Delhi (India) 28-30 April 2005, vol. 1, pp. 94-104
summary	Architectural cooperative design as well as information modeling have been active research areas for several decades. The use of systems adapted to the cooperative design assistance for the building domain is complex. This results from the complexity of the cooperative work (difficulties in tracking actor’s work, lack of most of the required information, coordination problems, implicit nature of most of the construction activities, etc.) The main objective of our research in these domains is to develop a tool that helps the management of a building project and aids cooperative design. So, in the first part of this article, we propose to view the exchanging data mode and cooperation tools in the building domain. The second part of this article illustrates the existing cooperative design models. Then we justify the interest shown in a new model of cooperative design where the relational organization of the project and the semantic meaning of works are taken into account. Finally, we use this new model for defining a design-aided tool, to deduce advantages and limits of the “Virtual Cooperative Project”.
series	CAADRIA
email
last changed	2022/06/07 07:59

_id	caadria2019_000
id	caadria2019_000
authors	M. Haeusler, M. A. Schnabel, T. Fukuda (eds.)
year	2019
title	CAADRIA 2019: Intelligent & Informed, Volume 1
doi	https://doi.org/10.52842/conf.caadria.2019.1
source	Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 1, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, 830 p.
summary	The territories of computational design are ever-changing and represent a substantial region that remains uncharted; one with expanding and permeable boundaries that continue to be fully breached. This ocean of opportunity implores researchers to embark on ambitious journeys of exploration. Undulating and temporal, computational design needs research that engages explicitly with the innovative, intelligent and informed exploitation of computational design, and with the array of computational technologies that the discipline may engage with. Human intelligence and creativity deliver the hegemonic direction for the field of computer-mediated architectural design research; an area where the computational component is a core aspect of the investigation. The actors in this are both witness to, and instigators of, the exciting, consequent, well-founded research that continues to deliver new knowledge, insights and information. This, then, explains the specific overarching theme of the conference: ‘Intelligent and Informed’. The scope of this theme is driven by the intention to take in aspects of machine intelligence, and a wide range of potential research that engages with the intelligent exploitation of computer-mediated techniques in Architecture.
series	CAADRIA
last changed	2022/06/07 07:49

_id	caadria2019_001
id	caadria2019_001
authors	M. Haeusler, M. A. Schnabel, T. Fukuda (eds.)
year	2019
title	CAADRIA 2019: Intelligent & Informed, Volume 2
doi	https://doi.org/10.52842/conf.caadria.2019.2
source	Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 2, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, 830 p.
summary	The territories of computational design are ever-changing and represent a substantial region that remains uncharted; one with expanding and permeable boundaries that continue to be fully breached. This ocean of opportunity implores researchers to embark on ambitious journeys of exploration. Undulating and temporal, computational design needs research that engages explicitly with the innovative, intelligent and informed exploitation of computational design, and with the array of computational technologies that the discipline may engage with. Human intelligence and creativity deliver the hegemonic direction for the field of computer-mediated architectural design research; an area where the computational component is a core aspect of the investigation. The actors in this are both witness to, and instigators of, the exciting, consequent, well-founded research that continues to deliver new knowledge, insights and information. This, then, explains the specific overarching theme of the conference: ‘Intelligent and Informed’. The scope of this theme is driven by the intention to take in aspects of machine intelligence, and a wide range of potential research that engages with the intelligent exploitation of computer-mediated techniques in Architecture.
series	CAADRIA
last changed	2022/06/07 07:49

_id	ecaade2008_164
id	ecaade2008_164
authors	M. Loemker, Thorsten; Degering , Albrecht
year	2008
title	Design To Cost with the Aid of Numerical Optimization Techniques
doi	https://doi.org/10.52842/conf.ecaade.2008.501
source	Architecture in Computro [26th eCAADe Conference Proceedings / ISBN 978-0-9541183-7-2] Antwerpen (Belgium) 17-20 September 2008, pp. 501-506
summary	This paper discusses the use of optimization methods in the architectural design process. It points out the possible scope of integration with regard to building costs in the design of new buildings.
keywords	Optimization, Layout-Planning, Design to Cost
series	eCAADe
email
last changed	2022/06/07 07:59

_id	ecaade2024_254
id	ecaade2024_254
authors	M. Sadeghi, Hassan; Erhan, Halil; M. Abuzuraiq, Ahmed
year	2024
title	Sustainability Data Analytics an Integrated Data-Informed Approach for Assessing the Sustainability of Design Alternatives
doi	https://doi.org/10.52842/conf.ecaade.2024.1.725
source	Kontovourkis, O, Phocas, MC and Wurzer, G (eds.), Data-Driven Intelligence - Proceedings of the 42nd Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2024), Nicosia, 11-13 September 2024, Volume 1, pp. 725–734
summary	This study presents an interactive visualization strategy for evaluating design alternatives' sustainability, driven by data from building information modelling (BIM) and life cycle assessment (LCA). After outlining a workflow, we identified the key interaction features of sustainability data to evaluate and improve LCA performance. The low-fidelity prototype, called Green Plans, is presented as a design analytics system aiming to describe these key features. The prototype uses parallel coordinates and Sankey diagrams to examine how form, material, and envelope affect sustainability, and the analytic hierarchy process (AHP) is used to inform the conceptual design. Sustainability is evaluated using key metrics such as global warming potential (GWP), energy consumption, and greenhouse gas (GHG) emissions. The study proposes design data visualization and suggests improvements in simulation, comparative analysis, and integration with design tools.
keywords	sustainability assessment, comparative analytics, Life Cycle Assessment, interactive design data visualization, design analytics
series	eCAADe
email
last changed	2024/11/17 22:05

_id	ddss2006-pb-35
id	DDSS2006-PB-35
authors	M.C.G. te Brömmelstroet
year	2006
title	Properly Equip Planners, Instead of Just Manning Equipment - A first step in a user-oriented PSS development approach as support for the integration of land use and transport planning
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. 35-50
summary	There is a growing need for planning support in planning practice, especially in land use and transport integration. Recent studies have shown that instruments that provide such are seldom implemented. Building on recommendations of those studies, this paper explores how to develop a planning support system (PSS) for this specific field of planning and shows some preliminary results of the first steps towards such a PSS. An qualitative assessment on the strengths and weaknesses of two recently developed instruments that share this goal; the VPR and the SDS+STE. Due to time constraints, the focus is on the background and framework of the study.
keywords	Land use and transport, PSS, computer-aided planning, participatory design
series	DDSS
last changed	2006/08/29 12:55

_id	avocaad_2001_03
id	avocaad_2001_03
authors	M.K.D. Coomans, J.P. van Leeuwen, H.J.P. Timmermans
year	2001
title	Abstract but Tangible, Complex but Manageable
source	AVOCAAD - ADDED VALUE OF COMPUTER AIDED ARCHITECTURAL DESIGN, Nys Koenraad, Provoost Tom, Verbeke Johan, Verleye Johan (Eds.), (2001) Hogeschool voor Wetenschap en Kunst - Departement Architectuur Sint-Lucas, Campus Brussel, ISBN 80-76101-05-1
summary	In the VR-DIS research program, an innovative design-information modelling technique has been proposed that is based on features. In this modelling technique, the designer is invited not only to model the form and spatial aspects of his or her design, but also to model the structure of the data behind the design. The designer is offered a way to control how abstract design data is structured and stored. In this way, the designer is given the power to model concepts like conformity, contrast, and scale on the formal data level, and this for both graphical and non-graphical design characteristics. Further, the designer is invited to input formal descriptions of own design concepts, and use these personal concepts during the design process. With this new information modelling technique, we expect that the designers will be better capable to handle the complexity of linking diverse kinds of information involved in a design process. This new way of computer aided design offers a unique design freedom: any design concept becomes addressable. On the other hand, this technique also puts the responsibility for the content of the CAD database entirely in the hands of the designer. In order to be able to enjoy the design freedom fully and at the same time handle the responsibility over the design database, a computer tool is needed that shows the precise content of the database, and that is easy and quick to interact with. Only with such a tool, the designer will be capable of keeping the complex data model in pace with his or her design reasoning. To realise this requirement, a “feature browser” has been developed with a 3D graphical user interface. It shows the data objects as 3D blocks, mutually linked by rubber-band arrows that closely reflect the database structure. The whole forms an interactive 3D graph. The intuitiveness and user friendliness of the interface was improved by adding features like the visualisation of the browsing history, the visualisation of link-semantics, and animated visual feedback effects. The hardware part of the interface is worked out as a Fish Tank VR set-up. This hardware configuration improves the experienced realism of the displayed 3D objects up to a feeling of physical presence. The interface as a whole therefore provides a highly attractive display of the abstract design data; abstract but tangible. It is a tool in which complex data structures can be explored and controlled: complex but manageable.
series	AVOCAAD
email
last changed	2005/09/09 10:48

_id	caadria2005_a_7c_f
id	caadria2005_a_7c_f
authors	M.N.H. Siddique, Qazi A. Mowla, Mohammad A. Al Masum
year	2005
title	VIRTUALITY IN ARCHITECTURE: A DESIGN METAPHOR
doi	https://doi.org/10.52842/conf.caadria.2005.342
source	CAADRIA 2005 [Proceedings of the 10th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 89-7141-648-3] New Delhi (India) 28-30 April 2005, vol. 1, pp. 342-350
summary	Traditionally, architecture in its design process employs physical matter, requires physical presence and relies on real world environment using conventional methods of 2D depictions such as paper and pen or 3D representations such as physical models and communicates design ideas in verbal or text-based form. The conventional design process, for example an interior design, a residential house, a commercial complex or even urban design projects, follows the same hierarchy of activities. Efforts are made to the satisfaction of both parties to give the ideas of a physical shape through sketches, drafts and models which may take weeks even months. Finally the project gets its final shape in a working drawing, 3D visualisation or model making. This process is time consuming and somewhat redundant. In recent years technology has offered architects a new tool - the virtual environment. Architects use virtual environment increasingly as device of communication and presentation of design intensions. Virtual environment enables users to interact in real-time with design but unfortunately have not been used widely in the process of design development. The aim of this paper is to investigates the relationship between present design process and the emerging technology of virtual reality, establish a relationship between the two and its influence on architecture to form a new translated design process and communication, an interface between architect and client.
series	CAADRIA
type	normal paper
email
last changed	2022/06/07 07:59

_id	caadria2021_333
id	caadria2021_333
authors	Ma, Chun Yu, Chan, Yan Yu Jennifer and Crolla, Kristof
year	2021
title	Expanding Bending-Active Bamboo Gridshell Structures' Design Solution Space Through Hybrid Assembly Systems
doi	https://doi.org/10.52842/conf.caadria.2021.1.331
source	A. Globa, J. van Ameijde, A. Fingrut, N. Kim, T.T.S. Lo (eds.), PROJECTIONS - Proceedings of the 26th CAADRIA Conference - Volume 1, The Chinese University of Hong Kong and Online, Hong Kong, 29 March - 1 April 2021, pp. 331-340
summary	This paper discusses the development and testing of a novel design method for the low-tech construction of bending-active bamboo gridshell structures. It expands this typologys current design solution space by combining and building up on two common production methods for light-weight shell structures: 1) the lay-up method, typically used in bamboo architecture in which members are added one at a time, and 2) the flatbed method, in which a prefabricated equidistant flat grid without shear rigidity is propped up and deformed into its final doubly curved shape. The novel methodology expands the systems design solution space by incorporating singularities within the grid topology and by layering multiple separate grids. This allows for spatially radically different building geometries without loss of implementation workflow efficiency. A demonstrator design project, tested through a large-scale prototype model, is described to illustrate the possible spatially engaging architectural design opportunities presented by the novel approach.
keywords	Bending-active structures; Bamboo architecture; Shell structures; Low-tech fabrication; Form finding
series	CAADRIA
email
last changed	2022/06/07 07:59

_id	ecaade2011_068
id	ecaade2011_068
authors	Ma, Jin Yul; Choo, Seung Yeon; Seo, Ji Hyo; Jeong, Seung Woo
year	2011
title	A Study on BIM based Energy Efficient Design Improvement for Rural Standard Drawing and Specification in South Korea: Focusing on Using Buffer-Zone
doi	https://doi.org/10.52842/conf.ecaade.2011.430
source	RESPECTING FRAGILE PLACES [29th eCAADe Conference Proceedings / ISBN 978-9-4912070-1-3], University of Ljubljana, Faculty of Architecture (Slovenia) 21-24 September 2011, pp.430-438
summary	Throughout the world, global warming has been considered a severe problem, which has led to efforts being made for technical development to reduce greenhouse gases in the building sector. As more attention has been paid to energy consumption by residential housing in the building sector, policies and studies on domestic dwellings tend to focus on quality improvement and energy-efficient housing development rather than quantitative housing supply. Yet, policies and guidelines considering residential energy efficiency are inclined to focus on performance and lack in integrated consideration in connection with design. Hence, it seems necessary to compare and analyze design and energy efficiency and to study correlations between housing design and energy. Lately, BIM technology has been used in buildings domestically and proved reliable in respect of its features that enable overall comparison and prediction of housing design, performance and efficiency. The present study is to use the BIM technology to analyze energy consumption and the standard drawing schemes for rural areas to find ways to improve efficient design in singles housing sector and to suggest how to take advantage of buffer zones and how to improve housing design in favor of energy efficiency.
wos	WOS:000335665500049
keywords	BIM; Energy Analysis Tool; Rural Standard Drawing; Buffer-Zone; Sustainable design
series	eCAADe
email
last changed	2022/05/01 23:21

_id	ddss2004_ra-129
id	ddss2004_ra-129
authors	Ma, L., Th. Arentze, A. Borgers, and H. Timmermans
year	2004
title	Using Bayesian Decision Networks for Knowledge Representation under Conditions of Uncertainty in Multi-Agent Land Use Simulation Models
source	Van Leeuwen, J.P. and H.J.P. Timmermans (eds.) Recent Advances in Design & Decision Support Systems in Architecture and Urban Planning, Dordrecht: Kluwer Academic Publishers, ISBN 1-4020-24088, p. 129-144
summary	Land suitability analysis typically involves the assessment of the suitability of land units without knowing the future spatial distribution of land use. Traditional planning techniques have used “algebraic equations” to express land suitability as a weighted function of suitability scores across multiple criteria. However, the existing multi-criteria evaluation methods do not systematically account for uncertainty about the land use in adjacent and other cells. This paper proposes an alternative approach to land suitability analysis that does address the problem of uncertainty. In particular, Bayesian decision networks are suggested as a means of knowledge representation for agents in a multi-agent land use simulation system. Bayesian decision networks model the uncertainty in terms of probabilities specified in the network representing the expertise of specialists with respect to specific land uses. This paper discusses the approach and illustrates its use in the context of a retail agent.
keywords	Land Suitability Analysis, Multi-Agents, Knowledge Representation, Bayesian Decision Networks
series	DDSS
last changed	2004/07/03 22:13

_id	caadria2017_063
id	caadria2017_063
authors	Ma, Yidong and Xu, Weiguo
year	2017
title	Physarealm - A Bio-inspired Stigmergic Algorithm Tool for Form-Finding
doi	https://doi.org/10.52842/conf.caadria.2017.499
source	P. Janssen, P. Loh, A. Raonic, M. A. Schnabel (eds.), Protocols, Flows, and Glitches - Proceedings of the 22nd CAADRIA Conference, Xi'an Jiaotong-Liverpool University, Suzhou, China, 5-8 April 2017, pp. 499-508
summary	Physarum Polycephalum is a widespread eukaryotic microbe capable of producing effective networks between food particles to solve spatial planning problems. This paper investigates a previous algorithm for simulating Physarum Polycephalum. An open-source tool named Physarealm is developed for simulation in Rhino's graphical algorithm editor, Grasshopper. The tool adopts a previous stigmergic multi-agent algorithm for simulation and expands its boundary into three dimensions. In addition, this tool adds some custom rules, thus giving the designer more creative control over the produced results. Two research projects have applied this tool in the design process. The first project mainly takes advantage of the tool's path-planning ability, while the second one utilizes its aesthetic values, demonstrating the potential of the tool for further applications.
keywords	stigmergy; multi-agent systems; form finding; computation; biomimicry
series	CAADRIA
email
last changed	2022/06/07 07:59

_id	ascaad2006_paper30
id	ascaad2006_paper30
authors	Ma, Yue and Mohammed Zaheeruddin
year	2006
title	A Real-Time Simulation Tool for Fault Detection and Diagnosis of HVAC Systems
source	Computing in Architecture / Re-Thinking the Discourse: The Second International Conference of the Arab Society for Computer Aided Architectural Design (ASCAAD 2006), 25-27 April 2006, Sharjah, United Arab Emirates
summary	In this study, a real-time simulation tool was developed for online monitoring, control and diagnosis of HVAC systems. A twozone variable air volume terminal reheat (VAV-TRH) HVAC system is considered. The developed program can be used in offline and online environments. The offline environment allows the operators to examine optimal control strategies, and to investigate problems associated with improper size of components which could be the root cause of the fault. The online environment is useful for monitoring, control and diagnosis of HVAC systems. A set of expert rules were applied to identify the faults. Simulation results show that the developed tool is able to correctly identify the fault patterns and therefore can be used for improving operating performance of HVAC systems.
series	ASCAAD
email
last changed	2007/04/08 19:47

_id	caadria2020_367
id	caadria2020_367
authors	Ma, Zhichao, Xiao, Yiqiang and Chen, Xiong
year	2020
title	Research on Commercial Space Vitality of Airport Terminal Based on 3D Vision Field Simulation of Pedestrian Flows - Taking Guangzhou Baiyun International Airport Terminal 2 as a Study Case
doi	https://doi.org/10.52842/conf.caadria.2020.1.589
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 589-598
summary	In recent years, more and more large-scale terminal buildings have emerged. In the design and construction of the terminal, how to increase the non-aeronautical revenue of the terminal has become one of the difficulties and priorities. The commercial vitality is one of the important factors influencing non-aeronautical revenue of the terminal. There is a correlation between passenger flows and commercial space vitality. So it is necessary to analyze the impact of pedestrian flows on commercial space vitality. The commercial space vitality can be evaluated by the vision dwell time on the shop surfaces. This paper focused on the relationship between passenger flows and commercial space vitality at the terminal. We modeled and simulated the domestic mixed-flow hall of Baiyun airport terminal 2 in Massmotion. After the pedestrian 3D vision field simulation, Vision Time Maps were exported to assess the commercial space vitality. After comparing the survey results with simulation results, we can conclude that the mixing of multiple pedestrian flows can improve the commercial space vitality of the airport terminal.
keywords	3D vision field simulation; Airport terminal commercial space vitality; Guangzhou Baiyun International Airport Terminal 2 ; Pedestrian Flow
series	CAADRIA
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last changed	2022/06/07 07:59

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