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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Hits 1 to 20 of 526

_id b335
authors Bayle, E., Bellamy, R., Casaday, G., Erickson, T., Fincher, S., Grinter, B., Gross, B., Lehder, D., Marmolin, H., Moore, B., Potts, C., Skousen, G. and Thomas, T.
year 1998
title Putting It All Together: Towards a Pattern Language for Interaction Design Reports
source ACM SIGCHI Bulletin 1998 v.30 n.1 pp.17-23
summary Pattern languages are representations that have been used in architecture and urban design for about twenty years. They focus on the interaction between physical form and social behavior, and express design solutions in an understandable and generalizable form. But pattern languages are not simply set of patterns intended to be universally applied; instead, they are actually meta-languages which, when used in a particular situations, generate situated design languages. This report describes a CHI 97 workshop which explored the utility of pattern languages for interaction design. We discuss the workshop's rationale, the structure and process of the workshop, and some of the workshop's results. In particular, we describe some patterns developed as part of the workshop, and our consequent reflections on the use of patterns and pattern languages as lingua franca for interaction design. This report concludes with a bibliography on pattern languages and related matters that spans architecture, software design, and organizational design.
series other
last changed 2002/07/07 16:01

_id 4942
authors Gardner, Brian M.
year 1998
title The Grid Sketcher: An AutoCAD Based Tool for Conceptual Design Processes
doi https://doi.org/10.52842/conf.acadia.1998.222
source Digital Design Studios: Do Computers Make a Difference? [ACADIA Conference Proceedings / ISBN 1-880250-07-1] Québec City (Canada) October 22-25, 1998, pp. 222-237
summary Sketching with pencil and paper is reminiscent of the varied, rich, and loosely defined formal processes associated with conceptual design. Architects actively engage such creative paradigms in their exploration and development of conceptual design solutions. The Grid Sketcher, as a conceptual sketching tool, presents one possible computer implementation for enhancing and supporting these processes. It effectively demonstrates the facility with which current technology and the computing environment can enhance and simulate sketching intents and expectations. One pervasive and troubling undercurrent, however, is the conceptual barrier between the variable processes of human thought and those indigenous to computing. Typically with respect to design, the position taken is that the two are virtually void of any fundamental commonality. A designer’s thoughts are intuitive, at times irrational, and rarely follow consistently identifiable patterns. Conversely, computing requires predictability in just these endeavors. Computing is strictly an algorithmic process while thought is not always so predictable. Given these dichotomous relationships, the computing environment, as commonly defined, cannot reasonably expect to mimic the typically human domain of creative design. In this context, this thesis accentuates the computer’s role as a form generator as opposed to a form evaluator. The computer, under the influence of certain contextual parameters can, however, provide the designer with a rich and elegant set of forms that respond through algorithmics to the designer’s creative intents. The software presented in this thesis is written in AutoLISP and exploits AutoCAD’s capacious 3D environment. Designs and productions respond to a bounded framework where user selected parametric variables of size, scale, proportion, and proximity, all which reflect contextual issues, determine the characteristics of a unit form. Designer selected growth algorithms then arbitrate the spatial relationships between the unit forms and their propagation through the developing design. While the Sketcher implements only the GRID as an organizational discipline, many other paradigms are possible. Within this grid structure a robust set of editing features, supported by the computer’s inherent speed, allows the designer to analyze successive productions while refining ever more complex solutions. Through creative manipulation of these algorithmic structures ideas eventually coalesce to formalize images that represent a given design problem’s solution set.

series ACADIA
email
last changed 2022/06/07 07:51

_id ddss9826
id ddss9826
authors Hendricx, A., Geebelen, B., Geeraerts, B. and Neuckermans, H.
year 1998
title A methodological approach to object modelling in the architectural designprocess
source Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary The paper describes a first prototype constructed in search for a central object model. It presents all possible data, concepts and operations concerning the architectural design process in the early phases.A central model of the process of design is essential: going from one design phase into another, the model describes geometrical shapes, abstract concepts like space and activity, concrete physical building elements and the basic operations all these entities undertake. Emphasis is put on combining all these different viewpoints, thus enabling the designer to use a broad range of design strategies. The aim is to help him and not steer or even hamper his creative process. Information necessary toassist the user of the system concerning energy calculation, stability checks etc can be extracted. By means of appropriate interfaces not only those tests built on top of the system but also existing software packages can make use of the model’s object structure. The implemented object model is one of the cornerstones of the IDEA+ project, aiming to provide an Integrated Design Environment for Architecture.
keywords object model, building model, CAAD, IDEA+, MERODE
series DDSS
last changed 2003/08/07 16:36

_id c38b
authors Kunz, J.C., Christiansen, T.R., Cohen, G.P., Jin, Y. and Levitt, R.E.
year 1998
title The Virtual Design Team
source Communications of The ACM, Vol. 41, No. 11, November, 1998
summary The long range goal of the Virtual Design Team" (VDT) research program is to develop computational tools to analyze decision making and communication behavior and thereby to support true organizational (re)engineering. This article introduces the underlying theory, the implementation of the theory as a computational model, and results from industrial test cases. Organization theory traditionally describes organizations only at an aggregate-level, describing and predicting the behavior of entire organizations in terms of general qualitative predictions. We define and implement a "micro" theory of the structure and behavior of components of organizations, explicitly representing activities, groups of people called "actors," and organizational structure and policies for project teams. A VDT model can be "run" by a discrete event simulation. Emergent aggregate model output behaviors include the predicted time to complete a project, the total effort to do the project, and a measure of process quality. More detailed model behaviors include the time-varying backlog of individual actors and the "exceptions" associated with activities. The results are detailed and specific, so they can guide specific managerial interventions in a project team and can support sensitivity studies of the relative impact of different organizational changes. We conclude that such a theory is tractable and predictive for complex but relatively routine, project-oriented design tasks. The application for which VDT offers unique new kinds of insights is where an organization is striving to shrink time to market dramatically for a product that is similar to ones it has previously developed. Reducing time to market dramatically almost always requires that previously sequential activities are executed more concurrently. In this situation, experienced managers can still correctly identify the required activities and estimate their durations and skill requirements; but they almost always underestimate the increased workload arising from exponentially higher coordination needs and the propagation of rework between the now highly concurrent activities. The VDT framework, which explicitly models information dependency and failure propagation between concurrent activities, has proven to be far more accurate, and to incorporate a wider range of parameters, than CPM/PERT process models for these fast-paced development projects."
series journal paper
last changed 2003/04/23 15:50

_id ga9801
id ga9801
authors Soddu, Celestino
year 1998
title Argenia, a Natural Generative Design
source International Conference on Generative Art
summary Leon Battista Alberti defines the Beauty of Architecture "a concert of all the parts together, performed with proportion and logic in something in which it is possible to find again each event, in a modality that will not allow the inserting, extracting out or changing anything without decreasing its Beauty". With generative art we can approach, directly, this complex paradigm of proportions and logic, and we can directly design the Beauty, or better our idea of beauty, before the realization of each single possible artificial event. This is the heart of generative approach. The Generative Art work for the beauty, in the sense of the humanistic approach of Renaissance, because the generative code, which is the project of generative design, is the real structure of the idea. It defines how to concert all the parts and the dynamic relationship among these parts in the evolution of complexity. The generative project defines which is the law of proportion and which logic the dynamic evolution will follow. All the events that this code can generate will be, in humanistic sense, beautiful, or, if we prefer, will belong and represent our Idea of world. And more. The generative art produces events that are unique and complex. The uniqueness and complexity are strongly related one each other. As in Nature, each event is generated through an artificial life, which, as in the natural life, produces uniqueness, identity and complexity during a identifiable time. This complexity is a natural-like complexity. We can recognise, in the artificial ware we produce through this generative approach, the harmony and the beauty of the natural-like complexity that refers to the Humanistic approach of Renaissance: Man, Geometry, and Nature as references for "the harmony which is not thought as an individual caprice but as conscious reasoning." (L.B.Alberti, De re aedificatoria).
series other
email
more http://www.generativeart.com/
last changed 2003/08/07 17:25

_id c837
authors Lee, Jia-Her
year 1998
title Modelling Mondrian's Design Processes and Their Architectural Associations Using Multilayer Neural Networks
doi https://doi.org/10.52842/conf.caadria.1998.455
source CAADRIA ‘98 [Proceedings of The Third Conference on Computer Aided Architectural Design Research in Asia / ISBN 4-907662-009] Osaka (Japan) 22-24 April 1998, pp. 455-464
summary Can artificial intelligence be used for design behavior of human beings? Human designer’s behavior and design thinking are extremely complicated. There is still argument about the relationship between the two until now. Therefore, this research only investigates regular and common design behavior. This essay is taking Mondrian of Neo-Plasticism as an example and neural networks systems as a tool to illustrate the core idea. It is hoped that we can simulate the design thinking ability, such as memory association and recognition of human designers. Computation of neural networks systems, as a result and the difference between human designers and computer, can be discussed too. Also, since the work of Neo-Plasticism Mondrian influences contemporary architecture design, industrial design, andvisual design directly or indirectly, floorplans of architect John Hejduk’s works were taken as an example to discuss the application of Neural networkss in the design field.
keywords Neural Networks, Design Processes, Neo-Plasticism, Architectural Floorplans
series CAADRIA
email
more http://www.caadria.org
last changed 2022/06/07 07:51

_id ddss9836
id ddss9836
authors Lee, Jia-Her and Liu, Yu-Tung
year 1998
title Modelling Mondrians Design Processes and TheirArchitectural Associations Using Multilayer NeuralNetworks
source Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary Can artificial intelligence be used for design behavior of human beings? Human designer’s behavior and design thinking are extremely complicated. There is still argument about the relationship between the two until now. Therefore, this research only investigates regular and common design behavior. This essay is taking Mondrian of Neo-Plasticism as an example and neural networks systems as a tool to illustrate the core idea. It is hoped that we can simulate the design thinking ability, such as memoryassociation and recognition of human designers. Computation of neural networks systems, as a result and the difference between human designers and computer, can be discussed too. Also, since the work of Neo-Plasticism Mondrian influences contemporary architecture design, industrial design, andvisual design directly or indirectly, floorplans of architect John Hejduk’s works were taken as an example to discuss the application of Neural networkss in the design field.
series DDSS
last changed 2003/08/07 16:36

_id 2873
authors Brin, S. and Page, L.
year 1998
title The Anatomy of a Large-Scale Hypertextual Web Search Engine
source Computer Science Department, Stanford University, Stanford, CA
summary In this paper, we present Google, a prototype of a large-scale search engine which makes heavy use of the structure present in hypertext. Google is designed to crawl and index the Web efficiently and produce much more satisfying search results than existing systems. The prototype with a full text and hyperlink database of at least 24 million pages is available at http://google.stanford.edu/ To engineer a search engine is a challenging task. Search engines index tens to hundreds of millions of web pages involving a comparable number of distinct terms. They answer tens of millions of queries every day. Despite the importance of large-scale search engines on the web, very little academic research has been done on them. Furthermore, due to rapid advance in technology and web proliferation, creating a web search engine today is very different from three years ago. This paper provides an in-depth description of our large-scale web search engine -- the first such detailed public description we know of to date. Apart from the problems of scaling traditional search techniques to data of this magnitude, there are new technical challenges involved with using the additional information present in hypertext to produce better search results. This paper addresses this question of how to build a practical large-scale system which can exploit the additional information present in hypertext. Also we look at the problem of how to effectively deal with uncontrolled hypertext collections where anyone can publish anything they want.
series other
email
last changed 2003/11/21 15:16

_id 7a20
id 7a20
authors Carrara, G., Fioravanti, A.
year 2002
title SHARED SPACE’ AND ‘PUBLIC SPACE’ DIALECTICS IN COLLABORATIVE ARCHITECTURAL DESIGN.
source Proceedings of Collaborative Decision-Support Systems Focus Symposium, 30th July, 2002; under the auspices of InterSymp-2002, 14° International Conference on Systems Research, Informatics and Cybernetics, 2002, Baden-Baden, pg. 27-44.
summary The present paper describes on-going research on Collaborative Design. The proposed model, the resulting system and its implementation refer mainly to architectural and building design in the modes and forms in which it is carried on in advanced design firms. The model may actually be used effectively also in other environments. The research simultaneously pursues an integrated model of the: a) structure of the networked architectural design process (operators, activities, phases and resources); b) required knowledge (distributed and functional to the operators and the process phases). The article focuses on the first aspect of the model: the relationship that exists among the various ‘actors’ in the design process (according to the STEP-ISO definition, Wix, 1997) during the various stages of its development (McKinney and Fischer, 1998). In Collaborative Design support systems this aspect touches on a number of different problems: database structure, homogeneity of the knowledge bases, the creation of knowledge bases (Galle, 1995), the representation of the IT datum (Carrara et al., 1994; Pohl and Myers, 1994; Papamichael et al., 1996; Rosenmann and Gero, 1996; Eastman et al., 1997; Eastman, 1998; Kim, et al., 1997; Kavakli, 2001). Decision-making support and the relationship between ‘private’ design space (involving the decisions of the individual design team) and the ‘shared’ design space (involving the decisions of all the design teams, Zang and Norman, 1994) are the specific topic of the present article.

Decisions taken in the ‘private design space’ of the design team or ‘actor’ are closely related to the type of support that can be provided by a Collaborative Design system: automatic checks performed by activating procedures and methods, reporting of 'local' conflicts, methods and knowledge for the resolution of ‘local’ conflicts, creation of new IT objects/ building components, who the objects must refer to (the ‘owner’), 'situated' aspects (Gero and Reffat, 2001) of the IT objects/building components.

Decisions taken in the ‘shared design space’ involve aspects that are typical of networked design and that are partially present in the ‘private’ design space. Cross-checking, reporting of ‘global’ conflicts to all those concerned, even those who are unaware they are concerned, methods for their resolution, the modification of data structure and interface according to the actors interacting with it and the design phase, the definition of a 'dominus' for every IT object (i.e. the decision-maker, according to the design phase and the creation of the object). All this is made possible both by the model for representing the building (Carrara and Fioravanti, 2001), and by the type of IT representation of the individual building components, using the methods and techniques of Knowledge Engineering through a structured set of Knowledge Bases, Inference Engines and Databases. The aim is to develop suitable tools for supporting integrated Process/Product design activity by means of a effective and innovative representation of building entities (technical components, constraints, methods) in order to manage and resolve conflicts generated during the design activity.

keywords Collaborative Design, Architectural Design, Distributed Knowledge Bases, ‘Situated’ Object, Process/Product Model, Private/Shared ‘Design Space’, Conflict Reduction.
series other
type symposium
email
last changed 2005/03/30 16:25

_id 6279
id 6279
authors Carrara, G.; Fioravanti, A.
year 2002
title Private Space' and ‘Shared Space’ Dialectics in Collaborative Architectural Design
source InterSymp 2002 - 14th International Conference on Systems Research, Informatics and Cybernetics (July 29 - August 3, 2002), pp 28-44.
summary The present paper describes on-going research on Collaborative Design. The proposed model, the resulting system and its implementation refer mainly to architectural and building design in the modes and forms in which it is carried on in advanced design firms. The model may actually be used effectively also in other environments. The research simultaneously pursues an integrated model of the: a) structure of the networked architectural design process (operators, activities, phases and resources); b) required knowledge (distributed and functional to the operators and the process phases). The article focuses on the first aspect of the model: the relationship that exists among the various ‘actors’ in the design process (according to the STEP-ISO definition, Wix, 1997) during the various stages of its development (McKinney and Fischer, 1998). In Collaborative Design support systems this aspect touches on a number of different problems: database structure, homogeneity of the knowledge bases, the creation of knowledge bases (Galle, 1995), the representation of the IT datum (Carrara et al., 1994; Pohl and Myers, 1994; Papamichael et al., 1996; Rosenmann and Gero, 1996; Eastman et al., 1997; Eastman, 1998; Kim, et al., 1997; Kavakli, 2001). Decision-making support and the relationship between ‘private’ design space (involving the decisions of the individual design team) and the ‘shared’ design space (involving the decisions of all the design teams, Zang and Norman, 1994) are the specific topic of the present article.

Decisions taken in the ‘private design space’ of the design team or ‘actor’ are closely related to the type of support that can be provided by a Collaborative Design system: automatic checks performed by activating procedures and methods, reporting of 'local' conflicts, methods and knowledge for the resolution of ‘local’ conflicts, creation of new IT objects/ building components, who the objects must refer to (the ‘owner’), 'situated' aspects (Gero and Reffat, 2001) of the IT objects/building components.

Decisions taken in the ‘shared design space’ involve aspects that are typical of networked design and that are partially present in the ‘private’ design space. Cross-checking, reporting of ‘global’ conflicts to all those concerned, even those who are unaware they are concerned, methods for their resolution, the modification of data structure and interface according to the actors interacting with it and the design phase, the definition of a 'dominus' for every IT object (i.e. the decision-maker, according to the design phase and the creation of the object). All this is made possible both by the model for representing the building (Carrara and Fioravanti, 2001), and by the type of IT representation of the individual building components, using the methods and techniques of Knowledge Engineering through a structured set of Knowledge Bases, Inference Engines and Databases. The aim is to develop suitable tools for supporting integrated Process/Product design activity by means of a effective and innovative representation of building entities (technical components, constraints, methods) in order to manage and resolve conflicts generated during the design activity.

keywords Collaborative Design, Architectural Design, Distributed Knowledge Bases, ‘Situated’ Object, Process/Product Model, Private/Shared ‘Design Space’, Conflict Reduction.
series other
type symposium
email
last changed 2012/12/04 07:53

_id a2b0
id a2b0
authors Charitos, Dimitrios
year 1998
title The architectural aspect of designing space in virtual environments
source University of Strathclyde, Dept. of Architecure and Building Science
summary This thesis deals with the architectural aspect of virtual environment design. It aims at proposing a framework, which could inform the design of three-dimensional content for defining space in virtual environments, in order to aid navigation and wayfinding. The use of such a framework in the design of certain virtual environments is considered necessary for imposing a certain form and structure to our spatial experience in there.

Firstly, this thesis looks into literature from the fields of architectural and urban design theory, philosophy, environmental cognition, perceptual psychology and geography for the purpose of identifying a taxonomy of spatial elements and their structure in the real world, on the basis of the way that humans think about and remember real environments. Consequently, the taxonomy, proposed for space in the real world is adapted to the intrinsic characteristics of space in virtual environments, on the basis of human factors aspects of virtual reality technology. As a result, the thesis proposes a hypothetical framework consisting of a taxonomy of spatial and space-establishing elements that a virtual environment may comprise and of the possible structure of these elements.

Following this framework, several pilot virtual environments are designed, for the purpose of identifying key design issues for evaluation. As it was impossible to evaluate the whole framework, six specific design issues, which have important implications for the design of space in virtual environments, are investigated by experimental methods of research. Apart from providing answers to these specific design issues, the experimental phase leads to a better understanding of the nature of space in virtual environments and to several hypotheses for future empirical research.

series thesis:PhD
email
last changed 2003/10/29 21:37

_id a96f
id a96f
authors Clayton, M., Johnson, R., Song, Y and Al-Qawasmi, J.
year 1998
title Delivering Facility Documentation using Intranet Technology
doi https://doi.org/10.52842/conf.acadia.1998.240
source Digital Design Studios: Do Computers Make a Difference? [ACADIA Conference Proceedings / ISBN 1-880250-07-1] Québec City (Canada) October 22-25, 1998, pp. 240-253
summary Intranet technologies present new opportunities for delivering facility documentation for use in facility management. After the design stage, building documentation is reused to support construction and then facility operation. However, a common perception is that construction documents and as-built drawings are less than optimal for reuse to support operations. We have conducted a study of facility management processes and the information content of facility documentation in the context of information technologies that are emerging into the marketplace. The study provides guidance for facility managers who are implementing and fielding new information technology systems. A better understanding of information needs during operations may also help designers to better structure their own documents for reuse. An analysis of documents that are used throughout the life cycle of facilities has led us to a characterization of operations documents that are distinct from design drawings, record drawings or as-built drawings. From an analysis of facility management processes, we have identified different roles for facility documentation in those processes. Facility documentation may be used as a resource, as input, or as output. Furthermore, from interviews of facility management personnel, we identified facility information that was rated high in importance and low in satisfaction that might be targeted when implementing a facility information system. We prepared software demonstrations that show how the information may be extracted from drawings, entered into databases and then retrieved via Web and CAD interfaces. We suggest that operations documents consist of a variety of information types and require several kinds of information tools, including databases, CAD drawings and hypertext. Intranet technologies, databases and CAD software can be integrated to achieve facility management systems that address shortcomings in current facility management operations. In particular, intranet technologies provide improved accessibility to information for facility management customers and occasional users of the systems. Our study has produced recommendations based upon utility and ease-of-implementation for delivery of information from the design team to the owner, and among personnel during operation of the facility.

series ACADIA
email
last changed 2022/06/07 07:56

_id 38
authors Combes., Leonardo and Saito, Keiko
year 1998
title Exploracion de Alternativas Formales de Edificios Ortogonales (Exploration of Formal Alternatives of Orthogonal Buildings)
source II Seminario Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings / ISBN 978-97190-0-X] Mar del Plata (Argentina) 9-11 september 1998, pp. 286-291
summary The shape of buildings determines the relationships between the contained spaces with the contained activities. As shapes are represented by their perimeter, the form and the length of building perimeters is of particular interest to architectural design. This paper presents a short computer program oriented to the exploration of modular floor plans related to their perimeter. The characteristics of a class of orthogonal configurations called polyminoes has been taken as a basis for the programming work. Polyminoes are briefly presented in the first part of the paper as well as some data concerning their geometrical structure. The operation of the computer program illustrated by some working examples, is described in the last part of the paper. The results obtained can be used for comparison between alternative shapes. Additional information about these modular shapes is given together with every particular form so as to ease the evaluation task. In these terms the program must be seen as a tool of assessment rather than as a designing procedure.
series SIGRADI
email
last changed 2016/03/10 09:49

_id 1de5
authors Darken, R.P., Allard, T. and Achille, L.B.
year 1998
title Spatial Orientation and Wayfinding in Large Scale Virtual Spaces
source Presence: Teleoperators and Virtual Environments, 7 (2), pp. 101-107
summary Just as the Pathfinder used the lake and the oak tree to reconstruct his environment, so do we structure our environment with streets and houses, landmarks and guiding principles to aid spatial orientation and wayfinding. The basic process of navigation-extracting information, forming mental representations, and using that representation for route planning and moving about-transcends the physical elements of the environment itself. In practice, we use whatever the environment gives us to solve navigation problems as they arise, in the process, continually refining and updating our internal model of the external environment. Although the virtual environments we speak of may be vastly different in their appearance from the Pathfinder's world, the principles underlying spatial orientation and wayfinding in large-scale virtual spaces have many commonalities.
series journal paper
last changed 2003/04/23 15:50

_id 0374
authors De Vecchi, Antonio and Navarra, Laura
year 1998
title Verification of Building Assemblage Compatability
doi https://doi.org/10.52842/conf.ecaade.1998.234
source Computerised Craftsmanship [eCAADe Conference Proceedings] Paris (France) 24-26 September 1998, pp. 234-238
summary A computer program is being elaborated as an aid in designing assembled parts whose assembly presents high degrees of complexity. The newly created program, once incorporated in the CAD sector to increase its potential applications, will facilitate the analysis of reciprocal relationhips between pieces of the assemblage; this will enhance optimum decision-making in terms of geometric and functional characteristics with respect to the previously conceived assembly sequence. The program will automatically create images in three different ways: instantaneous images of assembly stages for each piece of the assembled part; exploded axonometric view of the whole structure with indications of necessary procedures for inserting or connecting the assembled part;sequenced procedures for connecting the assembled part. The different methods of visualization listed above will allow for project verification of the part by means of simultaneous visual analysis of the images and rapid updating should any changes in their properties arise. These types of visualization include simulations of piece by piece assemblage, which will facilitate an "optimal assemblage", meaning a set of components which are assembled in a specific sequence according to their "structural compatibility" and taking into consideration "particular assembly requirements".
series eCAADe
more http://www.paris-valdemarne.archi.fr/archive/ecaade98/html/28de_vecchi/index.htm
last changed 2022/06/07 07:55

_id de62
authors Eriksson, Joakim
year 1998
title Planning of Environments for People with Physical Disabilities Using Computer Aided Design
source Lund Institute of Technology, School of Architecture
summary In the area of environment adaptations for people with physical disabilities, it is of vital importance that the design is optimized considering the human-environment interactions. All involved persons in such a planning process must be given sufficient support in understanding the information, so that everyone can participate actively. There is an apparent risk that discussions will be kept between experts, due to difficulties in understanding the complex and technical adaptation issues. This thesis investigates the use of computer-based tools for planning/designing environments for physically disabled people. A software prototype, and a method to use such a tool in the planning process, was developed and evaluated, based on the findings from six case studies of real planning situations. The case studies indicated that although such a tool would support the design, as well as the dialog between the participants, a certain level of technical and economical efficiency must be obtained. To facilitate the professional planner's work, an important issue is to maintain a large library of 3D objects. With the latest prototype implementation, it was found that such a planning tool can be produced, even when using consumer-oriented computers. One previous critical factor, interactive manipulation of 3D objects, can now be achieved if utilizing modern graphic cards with 3D acceleration. A usability test was performed to evaluate the prototype's basic operations, involving two groups of future users: five occupational therapist students, and four persons with major physical impairments. It was found that although the usability was satisfactory for the basic tasks, several items needed to be improved or added in future versions. It is important with an integrated support for manikins, in order to evaluate, e.g., wheelchair accessibility, reach ability, positioning of handrails, etc. This thesis reviews and compiles published anthropometrical and biomechanical data into a uniform segment-by-segment structure, in order to aid the design and modifications of manikins. The compilation was implemented as a spreadsheet document. An MRI investigation of the neck-shoulder region was performed on 20 healthy Scandinavian, female volunteers, measuring various musculoskeletal properties. These measurements can be used for further refinements of manikin specifications and biomechanical models.
keywords Rehabilitation; Disability; Adaptation; Participatory Planning; Design Tool; 3D Graphics; Computer Aided Design; Virtual Reality; Manikin; Anthropometry; Biomechanics; Magnetic Resonance Imaging; Cervical Spine Kinematics
series thesis:PhD
email
more http://www.lub.lu.se/cgi-bin/show_diss.pl?db=global&fname=tec_250.html
last changed 2003/02/26 09:21

_id 2d33
authors Gabryszewski, A.B.
year 1998
title Conception of Computer-Aided Study of Determinants
source Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 85-92
summary Computer catalogues, files, digital maps and data bases are more and more widely used in planning studies not only in the world, but in Poland as well. They successfully replace manual and time- consuming elaboration of cartographic materials or uphill collecting of data, among others. The developing computerisation in architectural offices, physical planning or other area management centers will assure a studies results' transfer in the form of digital maps or computer data bases in the near future Computer technology forces changes of work technics and generates in the next step the demand for mathematical models used for examining of eco-social-economic systems functioning. The speed of data processing influences on the profitability of common usage of the source data available on magnetic recording media. Thus data processing and data aggregation according to the designers' needs are more simply and generating of new information essential for creating of updated constructive solutions is possible too. Sharply increasing information resources (like Internet) require the adoption of such techniques and models, which make easier to control still increasing number of over-complicated- structure data bases.
series plCAD
last changed 1999/04/08 17:16

_id aac0
authors Garcia, Renato
year 1998
title Structural Feel or Feelings for Structure? - Stirring Emotions through the Computer Interface in Behaviour Analysis of Building Structures
doi https://doi.org/10.52842/conf.caadria.1998.163
source CAADRIA ‘98 [Proceedings of The Third Conference on Computer Aided Architectural Design Research in Asia / ISBN 4-907662-009] Osaka (Japan) 22-24 April 1998, pp. 163-171
summary The use of computers in the analysis of architectural structures has at present become indispensable and fairly routine. Researchers & professionals in architecture and engineering have taken advantage of current computer technology to develop richer and more comprehensive interactive interfaces in systems designed to analyse structural behaviour. This paper discusses a research project which attempts to further enrich such computer interfaces by embodying emotion or mood (affective) components into them and assessing the effects of incorporating these into multimodal learning modules for students of architecture at the University of Hong Kong. Computer structural analysis is most often used to determine the final state of a structure after full loading, but can also be used very ably to depict the time-history behaviour of a structure. The time-dependent nature of this process of behaviour provides an excellent opportunity to incorporate emotion cues for added emphasis and reinforcement. Studying time-history behaviour of structures is a vital part of classroom learning in structures and this why such emotion cues can have significant impact in such an environment. This is in contrast to the confines of professional engineering practices where these cues may not be as useful or desirable because oftentimes intermediate time history data is bypassed as a blackbox and focus is placed primarily on bottomline analysis results. The paper will discuss the fundamental basis for the establishment of emotional cues in this project as well as it's implementation-which consists mainly of two parts. The first involves 'personifying' the structure by putting in place a structure monitoring system analogous to human vital signs. The second involves setting up a 'ladder' of emotion states (which vary from feelings of serenity to those of extreme anxiety) mapped to the various states of a structures stability or condition. The paper will further elaborate on how this is achieved through the use of percussion, musical motifs, and chord progression in resonance with relevant graphical animations. Initially in this project, emotion cues were used to reinforce two structural behaviour tutoring systems developed by this author (3D Catenary Stuctures module & Plastic Behaviour of Semi-rigid Steel Frames module). These modules were ideal for implementing these cues because both depicted nonlinear structural behaviour in a mainly time-history oriented presentation. A brief demonstration of the actual learning modules used in the project study will also be presented together with a discussion of the assessment of it's effectiveness in actual classroom teaching.
keywords Affective Interfaces, Human-Computer Interaction, Computer-Aided-Engineering
series CAADRIA
email
more http://www.caadria.org
last changed 2022/06/07 07:50

_id ga9814
id ga9814
authors Gatarski, Richard
year 1998
title Evolutionary Banners, exploring a generative design approach
source International Conference on Generative Art
summary This working paper reports pre-mature findings from an ongoing research project that uses Genetic Algorithms (GAs) to automate the design of objects in the World Wide Web (WWW). Digital communications technology has on the business side been conceptualized as electronic commerce (E-commerce). Digitization implies a new cost structure for message design, test and implementation. One important problem regards the use and effectiveness of different means for E-commerce market communications. The purpose with the research presented here is to experiment with a particular use of GAs in E-commerce retailing. It is not to look for an optimal algorithm or fine-tune its parameters. This paper contributes with findings and a discussion of a new E-commerce possibility – evolutionary banner design The scientific aim is to explore the value of such an approach. As well as identify important issues. In a soon-to-be-realized implementation, the commercial aim will be to increase the sales volume for a specific product. In a sense the evolutionary banner works as an artificial art director. Still, a human director is needed to design the banner organism, its genetic code and related parameters. And of course to develop more creative uses of the approach presented below.
series other
email
more http://www.generativeart.com/
last changed 2003/08/07 17:25

_id 7560
authors Gomez, Nestor
year 1998
title Conceptual Structural Design Through Knowledge Hierarchies
source Carnegie Mellon University, Department of Civil and Environmental Engineering, Pittsburgh
summary Computer support for conceptual design still lags behind software available for analysis and detailed design. The Software Environment to Support the Early Phases in Building Design (SEED) project has the goal of providing design generation and exploration capabilities to aid in the conceptual design of buildings, from architectural programming and layout to enclosure design and structural configuration. The current work presents a component of the efforts of the SEED-Config Structure group in providing computer support for conceptual structural design. The Building Entity and Technology (BENT) approach models data about building elements in a general, hierarchical form, where design evolution is represented by the growing specificity of the design description. Two methods of system-supported design generation are provided: case-based reasoning and application of knowledge rules. The knowledge rules, termed technologies, and how they are specified and used are the primary focus of this thesis. In the BENT approach, conceptual structural engineering knowledge is modularized into technology nodes arranged in a directed 'AND/OR' graph, where OR nodes represent alternative design decisions and AND nodes represent problem decomposition. In addition, nodes in the graph may also be specified as having AND/OR incoming arcs thus reducing the duplication of nodes and enhancing the representational power of the approach. In order to facilitate the incorporation of new knowledge into the system, and verify and/or change the knowledge already in the system, the data model and the interface allow for dynamic creation, browsing, and editing of technology nodes. Design generation through the use of the knowledge hierarchy involves the conditional application of nodes according to the design context as represented by the building element(s) under consideration. Each application of a technology node expands the design of building elements by increasing the detail of the design description or by decomposing the elements into less abstract components. In addition, support for simultaneous design of multiple elements and for iteration control are also provided. An important feature of the BENT approach is that the generative knowledge (i.e., the technology hierarchy) is detached from the information repository (i.e., the database of entities which make up the building). This allows the technology hierarchies to be used in a modular fashion from building problem to building problem.
series thesis:PhD
email
last changed 2003/02/12 22:37

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