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	8a3d
authors	Peng, Chengzhi
year	1999
title	Flexible generic frameworks and multidisciplinary synthesis of built form
source	Design Studies 20 (6) (1999) pp. 537-551
summary	This paper presents an explanatory study of teamwork in architectural design where team members of different disciplines collaborate to achieve a coherent architectural whole. The study shows that some kind of flexible generic frameworks can be employed to sustain group dynamism through a project's lifetime. Along with our case studies, properties of teamwork-sustaining frameworks are analysed. An overview of the recent development of computer-based collaborative drawing and design support tools is given. To support more effectively the complexity and spontaneity observed in our current study of multidisciplinary collaborative architectural design, an outline of a pilot collaborative modelling environment is presented.
series	journal paper
last changed	2003/05/15 21:45

_id	44c0
authors	Van Leeuwen, Jos P.
year	1999
title	Modelling architectural design information by features : an approach to dynamic product modelling for application in architectural design
source	Eindhoven University of Technology
summary	Architectural design, like many other human activities, benefits more and more from the ongoing development of information and communication technologies. The traditional paper documents for the representation and communication of design are now replaced by digital media. CAD systems have replaced the drawing board and knowledge systems are used to integrate expert knowledge in the design process. Product modelling is one of the most promising approaches in the developments of the last two decades, aiming in the architectural context at the representation and communication of the information related to a building in all its aspects and during its complete life-cycle. However, after studying both the characteristics of the product modelling approach and the characteristics of architectural design, it is concluded in this research project that product modelling does not suffice for support of architectural design. Architectural design is characterised mainly as a problem solving process, involving illdefined problems that require a very dynamic way of dealing with information that concerns both the problem and emerging solutions. Furthermore, architectural design is in many ways an evolutionary process. In short term this is because of the incremental approach to problem solving in design projects; and in long term because of the stylistic development of designers and the continuous developments in the building and construction industry in general. The requirements that are posed by architectural design are concentrated in the keywords extensibility and flexibility of the design informationmodels. Extensibility means that designers can extend conceptual models with definitions that best suit the design concepts they wish to utilise. Flexibility means that information in design models can be structured in a way that accurately represents the design rationale. This includes the modelling of incidental characteristics and relationships of the entities in the model that are not necessarily predefined in a conceptual model. In general, product modelling does not adequately support this dynamic nature of design. Therefore, this research project has studied the concepts developed in the technology of Feature-based modelling, which originates from the area of mechanical engineering. These concepts include the usage of Features as the primitives for defining and reasoning about a product. Features have an autonomous function in the information model, which, as a result, constitutes a flexible network of relationships between Features that are established during the design process. The definition of Features can be specified by designers to formalise new design concepts. This allows the design tools to be adapted to the specific needs of the individual designer, enlarging the library of available resources for design. In addition to these key-concepts in Feature-based modelling as it is developed in the mechanical engineering context, the project has determined the following principles for a Feature-based approach in the architectural context. Features in mechanical engineering are used mainly to describe the lowest level of detail in a product's design, namely the characteristics of its parts. In architecture the design process does not normally follow a strictly hierarchical approach and therefore requires that the building be modelled as a whole. This implies that multiple levels of abstraction are modelled and that Features are used to describe information at the various abstraction levels. Furthermore, architectural design involves concepts that are non-physical as well as physical; Features are to be used for modelling both kinds. The term Feature is defined in this research project to reflect the above key-concepts for this modelling approach. A Feature is an autonomous, coherent collection of information, with semantic meaning to a designer and possibly emerging during design, that is defined to formalise a design concept at any level of abstraction, either physical or non-physical, as part of a building model. Feature models are built up entirely of Features and are structured in the form of a directed graph. The nodes in the graph are the Features, whereas the arcs are the relationships between the Features. Features can be of user-defined types and incidental relationships can be added that are not defined at the typological level. An inventory in this project of what kind of information is involved in the practice of modelling architectural design is based on the analysis of a selection of sources of architectural design information. This inventory is deepened by a case study and results in the proposition of a categorisation of architectural Feature types.
keywords	Automated Management Information Systems; Computer Aided Architectural Design; Information Systems; Modelling
series	thesis:PhD
email
more	http://www.ds.arch.tue.nl/jos/thesis/
last changed	2003/02/12 22:37

_id	db00
authors	Espina, Jane J.B.
year	2002
title	Base de datos de la arquitectura moderna de la ciudad de Maracaibo 1920-1990 [Database of the Modern Architecture of the City of Maracaibo 1920-1990]
source	SIGraDi 2002 - [Proceedings of the 6th Iberoamerican Congress of Digital Graphics] Caracas (Venezuela) 27-29 november 2002, pp. 133-139
summary	Bases de datos, Sistemas y Redes 134The purpose of this report is to present the achievements obtained in the use of the technologies of information andcommunication in the architecture, by means of the construction of a database to register the information on the modernarchitecture of the city of Maracaibo from 1920 until 1990, in reference to the constructions located in 5 of Julio, Sectorand to the most outstanding planners for its work, by means of the representation of the same ones in digital format.The objective of this investigation it was to elaborate a database for the registration of the information on the modernarchitecture in the period 1920-1990 of Maracaibo, by means of the design of an automated tool to organize the it datesrelated with the buildings, parcels and planners of the city. The investigation was carried out considering three methodologicalmoments: a) Gathering and classification of the information of the buildings and planners of the modern architectureto elaborate the databases, b) Design of the databases for the organization of the information and c) Design ofthe consultations, information, reports and the beginning menu. For the prosecution of the data files were generated inprograms attended by such computer as: AutoCAD R14 and 2000, Microsoft Word, Microsoft PowerPoint and MicrosoftAccess 2000, CorelDRAW V9.0 and Corel PHOTOPAINT V9.0.The investigation is related with the work developed in the class of Graphic Calculation II, belonging to the Departmentof Communication of the School of Architecture of the Faculty of Architecture and Design of The University of the Zulia(FADLUZ), carried out from the year 1999, using part of the obtained information of the works of the students generatedby means of the CAD systems for the representation in three dimensions of constructions with historical relevance in themodern architecture of Maracaibo, which are classified in the work of The Other City, generating different types ofisometric views, perspectives, representations photorealistics, plants and facades, among others.In what concerns to the thematic of this investigation, previous antecedents are ignored in our environment, and beingthe first time that incorporates the digital graph applied to the work carried out by the architects of “The Other City, thegenesis of the oil city of Maracaibo” carried out in the year 1994; of there the value of this research the field of thearchitecture and computer science. To point out that databases exist in the architecture field fits and of the design, alsoweb sites with information has more than enough architects and architecture works (Montagu, 1999).In The University of the Zulia, specifically in the Faculty of Architecture and Design, they have been carried out twoworks related with the thematic one of database, specifically in the years 1995 and 1996, in the first one a system wasdesigned to visualize, to classify and to analyze from the architectural point of view some historical buildings of Maracaiboand in the second an automated system of documental information was generated on the goods properties built insidethe urban area of Maracaibo. In the world environment it stands out the first database developed in Argentina, it is the database of the Modern andContemporary Architecture “Datarq 2000” elaborated by the Prof. Arturo Montagú of the University of Buenos Aires. The general objective of this work it was the use of new technologies for the prosecution in Architecture and Design (MONTAGU, Ob.cit). In the database, he intends to incorporate a complementary methodology and alternative of use of the informationthat habitually is used in the teaching of the architecture. When concluding this investigation, it was achieved: 1) analysis of projects of modern architecture, of which some form part of the historical patrimony of Maracaibo; 2) organized registrations of type text: historical, formal, space and technical data, and graph: you plant, facades, perspectives, pictures, among other, of the Moments of the Architecture of the Modernity in the city, general data and more excellent characteristics of the constructions, and general data of the Planners with their more important works, besides information on the parcels where the constructions are located, 3)construction in digital format and development of representations photorealistics of architecture projects already built. It is excellent to highlight the importance in the use of the Technologies of Information and Communication in this investigation, since it will allow to incorporate to the means digital part of the information of the modern architecturalconstructions that characterized the city of Maracaibo at the end of the XX century, and that in the last decades they have suffered changes, some of them have disappeared, destroying leaves of the modern historical patrimony of the city; therefore, the necessity arises of to register and to systematize in digital format the graphic information of those constructions. Also, to demonstrate the importance of the use of the computer and of the computer science in the representation and compression of the buildings of the modern architecture, to inclination texts, images, mapping, models in 3D and information organized in databases, and the relevance of the work from the pedagogic point of view,since it will be able to be used in the dictation of computer science classes and history in the teaching of the University studies of third level, allowing the learning with the use in new ways of transmission of the knowledge starting from the visual information on the part of the students in the elaboration of models in three dimensions or electronic scalemodels, also of the modern architecture and in a future to serve as support material for virtual recoveries of some buildings that at the present time they don’t exist or they are almost destroyed. In synthesis, the investigation will allow to know and to register the architecture of Maracaibo in this last decade, which arises under the parameters of the modernity and that through its organization and visualization in digital format, it will allow to the students, professors and interested in knowing it in a quicker and more efficient way, constituting a contribution to theteaching in the history area and calculation. Also, it can be of a lot of utility for the development of future investigation projects related with the thematic one and restoration of buildings of the modernity in Maracaibo.
keywords	database, digital format, modern architecture, model, mapping
series	SIGRADI
email
last changed	2016/03/10 09:51

_id	ga0009
id	ga0009
authors	Lewis, Matthew
year	2000
title	Aesthetic Evolutionary Design with Data Flow Networks
source	International Conference on Generative Art
summary	For a little over a decade, software has been created which allows for the design of visual content by aesthetic evolutionary design (AED) [3]. The great majority of these AED systems involve custom software intended for breeding entities within one fairly narrow problem domain, e.g., certain classes of buildings, cars, images, etc. [5]. Only a very few generic AED systems have been attempted, and extending them to a new design problem domain can require a significant amount of custom software development [6][8]. High end computer graphics software packages have in recent years become sufficiently robust to allow for flexible specification and construction of high level procedural models. These packages also provide extensibility, allowing for the creation of new software tools. One component of these systems which enables rapid development of new generative models and tools is the visual data flow network [1][2][7]. One of the first CG packages to employ this paradigm was Houdini. A system constructed within Houdini which allows for very fast generic specification of evolvable parametric prototypes is described [4]. The real-time nature of the software, when combined with the interlocking data networks, allows not only for vertical ancestor/child populations within the design space to be explored, but also allows for fast "horizontal" exploration of the potential population surface. Several example problem domains will be presented and discussed. References: [1] Alias \| Wavefront. Maya. 2000, http://www.aliaswavefront.com [2] Avid. SOFTIMAGE. 2000, http://www.softimage.com [3] Bentley, Peter J. Evolutionary Design by Computers. Morgan Kaufmann, 1999. [4] Lewis, Matthew. "Metavolve Home Page". 2000, http://www.cgrg.ohio-state.edu/~mlewis/AED/Metavolve/ [5] Lewis, Matthew. "Visual Aesthetic Evolutionary Design Links". 2000, http://www.cgrg.ohio-state.edu/~mlewis/aed.html [6] Rowley, Timothy. "A Toolkit for Visual Genetic Programming". Technical Report GCG-74, The Geometry Center, University of Minnesota, 1994. [7] Side Effects Software. Houdini. 2000, http://www.sidefx.com [8] Todd, Stephen and William Latham. "The Mutation and Growth of Art by Computers" in Evolutionary Design by Computers, Peter Bentley ed., pp. 221-250, Chapter 9, Morgan Kaufmann, 1999.
series	other
email
more	http://www.generativeart.com/
last changed	2003/08/07 17:25

_id	ga0010
id	ga0010
authors	Moroni, A., Zuben, F. Von and Manzolli, J.
year	2000
title	ArTbitrariness in Music
source	International Conference on Generative Art
summary	Evolution is now considered not only powerful enough to bring about the biological entities as complex as humans and conciousness, but also useful in simulation to create algorithms and structures of higher levels of complexity than could easily be built by design. In the context of artistic domains, the process of human-machine interaction is analyzed as a good framework to explore creativity and to produce results that could not be obtained without this interaction. When evolutionary computation and other computational intelligence methodologies are involved, every attempt to improve aesthetic judgement we denote as ArTbitrariness, and is interpreted as an interactive iterative optimization process. ArTbitrariness is also suggested as an effective way to produce art through an efficient manipulation of information and a proper use of computational creativity to increase the complexity of the results without neglecting the aesthetic aspects [Moroni et al., 2000]. Our emphasis will be in an approach to interactive music composition. The problem of computer generation of musical material has received extensive attention and a subclass of the field of algorithmic composition includes those applications which use the computer as something in between an instrument, in which a user "plays" through the application's interface, and a compositional aid, which a user experiments with in order to generate stimulating and varying musical material. This approach was adopted in Vox Populi, a hybrid made up of an instrument and a compositional environment. Differently from other systems found in genetic algorithms or evolutionary computation, in which people have to listen to and judge the musical items, Vox Populi uses the computer and the mouse as real-time music controllers, acting as a new interactive computer-based musical instrument. The interface is designed to be flexible for the user to modify the music being generated. It explores evolutionary computation in the context of algorithmic composition and provides a graphical interface that allows to modify the tonal center and the voice range, changing the evolution of the music by using the mouse[Moroni et al., 1999]. A piece of music consists of several sets of musical material manipulated and exposed to the listener, for example pitches, harmonies, rhythms, timbres, etc. They are composed of a finite number of elements and basically, the aim of a composer is to organize those elements in an esthetic way. Modeling a piece as a dynamic system implies a view in which the composer draws trajectories or orbits using the elements of each set [Manzolli, 1991]. Nonlinear iterative mappings are associated with interface controls. In the next page two examples of nonlinear iterative mappings with their resulting musical pieces are shown.The mappings may give rise to attractors, defined as geometric figures that represent the set of stationary states of a non-linear dynamic system, or simply trajectories to which the system is attracted. The relevance of this approach goes beyond music applications per se. Computer music systems that are built on the basis of a solid theory can be coherently embedded into multimedia environments. The richness and specialty of the music domain are likely to initiate new thinking and ideas, which will have an impact on areas such as knowledge representation and planning, and on the design of visual formalisms and human-computer interfaces in general. Above and bellow, Vox Populi interface is depicted, showing two nonlinear iterative mappings with their resulting musical pieces. References [Manzolli, 1991] J. Manzolli. Harmonic Strange Attractors, CEM BULLETIN, Vol. 2, No. 2, 4 -- 7, 1991. [Moroni et al., 1999] Moroni, J. Manzolli, F. Von Zuben, R. Gudwin. Evolutionary Computation applied to Algorithmic Composition, Proceedings of CEC99 - IEEE International Conference on Evolutionary Computation, Washington D. C., p. 807 -- 811,1999. [Moroni et al., 2000] Moroni, A., Von Zuben, F. and Manzolli, J. ArTbitration, Las Vegas, USA: Proceedings of the 2000 Genetic and Evolutionary Computation Conference Workshop Program – GECCO, 143 -- 145, 2000.
series	other
email
more	http://www.generativeart.com/
last changed	2003/08/07 17:25

_id	ga9902
id	ga9902
authors	Soddu, Celestino
year	1999
title	Recognizability of designer imprinting in Generative artwork
source	International Conference on Generative Art
summary	Design lives within two fundamental stages, the creative and the evolutionary. The first is that of producing the idea: this approach is built activating a logical jump between the existing and possible worlds that represent our wishes and thoughts. A design idea is the identification of a set of possibilities that goes beyond specific "solutions" but identifies the sense or the attainable quality. The field involved in this design stage is "how" the world may be transformed, not what the possible scenario may be. The second is the evolutionary stage, that of the development of the idea. This approach runs inside paths of refinement and increases in complexity of the projects. It involves the management of the project to reach the desired quality.Generative design is founded on the possibility to clearly separate the creative and the evolutionary stages of the idea. And the first is reserved for man (because creative processes, being activated from subjective interpretations and being abduptive paths and not deductive, inductive or analytical ones, can not be emulated by machines) and the second may be carried out using artificial devices able to emulate logical procedures. The emulation of evolutionary logics is useful for a very simple reason: for getting the best operative design control on complexity. Designers know very well that the quality of a project depends, very importantly, on the time spent designing. If the time is limited, the project can not evolve enough to attain the desired quality. If the available time is increased, the project acquires a higher quality due to the possibility of crossing various parallel evolutionary paths, to develop these and to verify their relative potential running through the cycle idea/evolution more times and in progress. (scheme1) This is not all. In a time-limited design activity, the architect is pressed into facing the formalization of performance requirements in terms of answering directly specific questions. He is pressed into analytically systematizing the requirements before him to quickly work on the evolution of the project. The design solution can be effective but absolutely not flexible. If the real need of the user is, even slightly, different to the hypothesized requirement, the quality of the project, as its ability to respond to needs, breaks down. Projects approached in this way, which we could call "analytical", are quickly obsolete, being tied up to the flow of fashion. A more "creative" approach, where we don't try to accelerate (therby simplifying) the design development path "deducting" from the requirements the formalization choices but we develop our idea using the requirements and the constraints as opportunities of increasing the complexity of the idea, enriching the design development path to reach a higher quality, needs, without doubt, more time. As well as being, of course, a creative and non-analytical approach. This design approach, which is "the" design path, is a voyage of discovery that is comparable to that of scientific research. The fundamental structure is the idea as a "not deducted" hypothesis concerning a quality and recognizability of attainable artwork, according to the architect's "subjective" point of view. The needs and the constraints, identified as fields of possible development of the project, are opportunities for the idea to develop and acquire a specific identity and complexity. Once possible scenarios of a project are formed, the same requirements and constraints will take part, as "verification of congruity", of the increase in quality. Then the cycle, once more, will be run again to reach more satisfactory results. It is, without doubt, an approach that requires time.
series	other
email
more	http://www.generativeart.com/
last changed	2003/08/07 17:25

_id	d79a
authors	Ekholm, Anders and Fridqvist, Sverker
year	1999
title	The BAS*CAAD Information System for Design principles, Implementation, and a Design Scenario
source	Proceedings of the Eighth International Conference on Computer Aided Architectural Design Futures [ISBN 0-7923-8536-5] Atlanta, 7-8 June 1999, pp. 149-164
summary	The objectives of the BAS-CAAD-project are to investigate into theories and methods for computer aided architectural design, with emphasis on requirements of early stages of the design process. Information systems can be characterised as static or dynamic concerning the definition of classes in the model schema, and concerning classification of model objects. The paper presents the BAS-CAAD system, a prototype software that implements the conceptually most important features of a dynamic information system for design. The BAS-CAAD information system is built on a generic ontological framework. The system allows a free combination of attributes, supporting the incremental way that knowledge is built up during design. It provides a generic library structure that allows definition of objects classes in different levels of generalisation that may originate from international standards or the individual designer. For example, in the construction context, it allows modelling of buildings and their parts, as well as user organisations and user activities. The function of the system is illustrated in two scenarios.
keywords	CAD, Design, Dynamic Schema Evolution, Information Systems, Object Oriented Modelling, Product Modelling, Design Scenario
series	CAAD Futures
email
last changed	2006/11/07 07:23

_id	5919
authors	Lentz, Uffe
year	1999
title	Integrated Design with Form and Topology Optimizing
doi	https://doi.org/10.52842/conf.ecaade.1999.116
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 116-121
summary	The topic of this paper is to describe the ability of 3D CAD systems to integrate designers and engineers into a simultaneous process developing a functional and aesthetic concept in a close and equal interdisciplinary process. We already have the Finite Element Method, FEM systems for analyzing the mechanical behavior of constructions. This technique is suitable for justifying design aspects in the final part of the design process. A new group of CAE systems under the generic term Topology optimizing has the potentials to handle aspects of conceptual design and aesthetic criteria. Such interactive design tools do not eliminate the designer, but the relationship between the designer and other professions and the professional consciousness of the designer will change. It is necessary to develop common ideas able to connect the scientific and the artistic fields. The common aesthetic values must be clarified and the corresponding formal ideas be developed. These tools could be called "Construction tools for the intelligent user" (Olhoff, 1998) because the use of optimizing is based on a profound knowledge of the techniques.
keywords	Form, Topology, Optimizing
series	eCAADe
email
last changed	2022/06/07 07:52

_id	bf97
authors	Roberts, Andrew and Counsell, John
year	1999
title	The BEATL Project: Embedding Appropriate CAL in the Teaching of Architecture
doi	https://doi.org/10.52842/conf.ecaade.1999.334
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 334-340
summary	This paper is based upon the premise that Computer Aided Learning (CAL) has been poorly integrated into schools of Architecture and it identifies some of the barriers that have prevented this. The Built Environment Appropriate Technology for Learning (BEATL) project aims to promote a climate of change within which these barriers can be crossed. The focus of BEATL is on providing a framework within which technology assisted teaching can be adopted for particular elements of taught courses through a process of module pairing, and collaboration between Built Environment faculties at three UK Universities. The paper discusses the early stages of the Project and outlines the methodologies developed for embedding and transferring innovations between institutions, the support of 'Educational Technology Officers' and the evaluation strategies being utilised. Early results indicate the benefits of a focus on a individual element rather than a whole module and that generic innovations tend to be more successfully transferred than 'off the shelf' Computer Aided Learning products.
keywords	CAL, Integration, Transferability, Collaboration
series	eCAADe
email
last changed	2022/06/07 07:56

_id	2355
authors	Tweed, Christopher and Carabine, Brendan
year	1999
title	CAAD in the Future Perfect
doi	https://doi.org/10.52842/conf.ecaade.1999.018
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 18-24
summary	The history of CAAD research is largely one of generic computing techniques grafted on to existing design practices. The motivation behind such research, on different occasions, has been to automate some or all of the design process, to provide design assistance, to check designs for compliance against some predefined criteria, or more recently to enable people to experience designs as realistically as possible before they are built. But these goals remain unexamined, and their fulfilment is assumed to be a self-evident benefit. In the worst cases, they are examples of barely concealed technology-push. Few researchers have stated in detail what they want computers to do for architectural design, most choosing instead to focus on what computers can do, rather than what is needed. This paper considers what we want CAAD systems to do for us. However, this will be a modest effort, a beginning, a mere sketch of possible directions for CAAD. But it should open channels for criticism and serious debate about the role of CAAD in the changing professional, social and cultural contexts of its eventual use in education and practice. The paper, therefore, is not so concerned to arrive at a single 'right' vision for future CAAD systems as concerned by the lack of any cogent vision for CAAD.
keywords	History, CAAD Research, Future Trends
series	eCAADe
email
more	http://www.aic.salford.ac.uk/Pit/home.html
last changed	2022/06/07 07:58

_id	1c5c
authors	Balmaceda, M.A., Deiana, S.M., Quiroga, G. and Toro, M.
year	1999
title	Modelo Virtual Abierto de la Ciudad de San Juan (Open Virtual Model of the City of San Juan)
source	III Congreso Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings] Montevideo (Uruguay) September 29th - October 1st 1999, pp. 470-474
summary	The purpose of the present work is to virtually rebuild the city of san juan that was completely destroyed by an earthquake in 1944. From an audiovisual, multimedial approach, it tries to be a contribution to the recovering of the collective memory. Through virtual reality techniques, a three dimensional model of the city central area has been built, as it was before the earthquake. It has been achieved a multidisciplinary, open model that sums up a great deal of information and allows: 1.) From a pedagogic approach: an opened window to new ways of knowledgement transmission, through visual virtual information. The virtual rebuilt has been reconsidered as a pedagogic and communicational tool; 2.) From a historic and morphologic approach: to obtain multiple readings and to revolution the way to manage categories in different analysis scales; 3.) In the future, the model would allow the possibility of an unlimited improvement by working in different scales. Furthermore it would allow to add information, an so to increase the research area or to go deeper into details not only in the phenomenological dimension of the objects but also in their logic significant dimension.
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	6930
authors	Cattoni, Edson Luis and Santiago, Alina Goncalves
year	1999
title	Lagoa da Conceicao - Florianópolis - Ilha de Santa Catarina: Uma Paisagem em Transformacao II (Conceicao Lagoon - Florianópolis - Ilha of Santa Catarina Island: A Landscape in Transformation II)
source	III Congreso Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings] Montevideo (Uruguay) September 29th - October 1st 1999, pp. 157-160
summary	This work presents the study and applied assays (or simulation tests) about the ordination of urban space in the region of Lagoa da Conceição. In the region pressures placed by the growth of urban area and urban network system are in contact conflict with a fragile ecosystem, and with a sustainable development based on tourism. Analysis procedures exploited different forms of Space Syntax trying to examine effects of spatial structure in relation to movement patterns of pedestrians and vehicles. This methodology allowed the comprehension of relation between spatial configuration, transport and soil use, and reveled the interdependence and performance of built space within the restrict regional scale (Lagoa da Conceição) and the total urban structure of the island. This understanding is not limited to the present. Is also includes the study of historic urban evolution, and simulation of existing projects for the future, being an important tool to support project decision process. Consequently, the obtained results bring a new approach for the problem, which makes possible the synthesis of design proposals verifying its implications and consequences.
series	SIGRADI
email
last changed	2016/03/10 09:48

_id	d9d0
authors	Cohen Egler, Tamara Tania
year	1999
title	Río Digital (Digital Rio)
source	III Congreso Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings] Montevideo (Uruguay) September 29th - October 1st 1999, pp. 478-481
summary	RioDigital is a text situated on new forms of expression of knowledge over the city. It is a written multimedia whose objective is to place in disposability for the society the complexity of urban space on its multiple historical determinations, of its space, social and cultural forms. It is a research over the potentials of digital art to express the processes of constitution of social forms and constructions of urban space. The motion of works was in the sense of using this language to reconstitute and vivify the history of Rio de Janeiro city in the XX century. The city is an ensemble of symbols that encounters the language in its best form of presentation. The research identified visual documents as films, photos and maps that made possible to reconstruct processes of transformation, worked through the use of digital images technology that allows expression and turns move perceptible the transmission of this history. The digital image is certainly a possibility to represent urban reality. Through movement, illumination of image and of writing it was possible to express to process of construction and reconstruction of space building and social changes. We understand that the condition of citizen is associated with the feeling of belonging, which urban process every time move complex and difficult to understand, that new technologies can through synthesis, connectivity and interactivity expand the capacity of indivils to know the city and act positively with it. It is an intention to amplify the sense of belonging and encourage the action of transform.
series	SIGRADI
email
last changed	2016/03/10 09:49

_id	600e
authors	Gavin, Lesley
year	1999
title	Architecture of the Virtual Place
doi	https://doi.org/10.52842/conf.ecaade.1999.418
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 418-423
summary	The Bartlett School of Graduate Studies, University College London (UCL), set up the first MSc in Virtual Environments in the UK in 1995. The course aims to synthesise and build on research work undertaken in the arts, architecture, computing and biological sciences in exploring the realms of the creation of digital and virtual immersive spaces. The MSc is concerned primarily with equipping students from design backgrounds with the skills, techniques and theories necessary in the production of virtual environments. The course examines both virtual worlds as prototypes for real urban or built form and, over the last few years, has also developed an increasing interest in the the practice of architecture in purely virtual contexts. The MSc course is embedded in the UK government sponsored Virtual Reality Centre for the Built Environment which is hosted by the Bartlett School of Architecture. This centre involves the UCL departments of architecture, computer science and geography and includes industrial partners from a number of areas concerned with the built environment including architectural practice, surveying and estate management as well as some software companies and the telecoms industry. The first cohort of students graduated in 1997 and predominantly found work in companies working in the new market area of digital media. This paper aims to outline the nature of the course as it stands, examines the new and ever increasing market for designers within digital media and proposes possible future directions for the course.
keywords	Virtual Reality, Immersive Spaces, Digital Media, Education
series	eCAADe
email
more	http://www.bartlett.ucl.ac.uk/ve/
last changed	2022/06/07 07:51

_id	8735
authors	James, Stephen
year	1999
title	An Allegorical Architecture: A Proposed Interpretive Center for the Bonneville Salt Flats
doi	https://doi.org/10.52842/conf.acadia.1999.018
source	ACADIA Quarterly, vol. 18, no. 1, pp. 18-19
summary	Architecture is the physical expression of man's relationship to the landscape- an emblem of our heritage. Such a noble statement sounds silly into today's context, because civilized society has largely disassociated itself from raw nature. We have tamed the elements with our environmental controls and turned the deserts into pasture. I find much of the built environment distracting. Current architecture is trite, compared to geologic form and order. I visited the Bonneville Salt Flats- (Utah's anti-landscape) in the summer of 1997. The experience of arriving at the flats exceeded my expectations. I was overpowered by a sense of personal insignificance - a small spot floating on a sea of salt. The horizon seemed to swallow up the sky. Off in the distance I noticed a dark fleck. It looked as foreign as I felt on this pure white plane. I drove across the sticky salt toward it, only to discover an old rusty oil barrel half submerged in salt. In my mind, the barrel has a history. It tells the story of a man's attempt at achieving a goal, or maybe it represents a broken dream left to corrode in the alkali flats. The barrel remains planted in the salt as a relic for those who venture into the white wilderness. This experience left me to ponder whether or not architecture can serve the same purpose - telling the story of a place through its relationship to a landscape, and connection to events.
series	ACADIA
email
last changed	2022/06/07 07:52

_id	6810
authors	Makkonen, Petri
year	1999
title	On multi body systems simulation in product design
source	KTH Stockholm
summary	The aim of this thesis is to provide a basis for efficient modelling and software use in simulation driven product development. The capabilities of modern commercial computer software for design are analysed experimentally and qualitatively. An integrated simulation model for design of mechanical systems, based on four different "simulation views" is proposed: An integrated CAE (Computer Aided Engineering) model using Solid Geometry (CAD), Finite Element Modelling (FEM), Multi Body Systems Modelling (MBS) and Dynamic System Simulation utilising Block System Modelling tools is presented. A theoretical design process model for simulation driven design based on the theory of product chromosome is introduced. This thesis comprises a summary and six papers. Paper A presents the general framework and a distributed model for simulation based on CAD, FEM, MBS and Block Systems modelling. Paper B outlines a framework to integrate all these models into MBS simulation for performance prediction and optimisation of mechanical systems, using a modular approach. This methodology has been applied to design of industrial robots of parallel robot type. During the development process, from concept design to detail design, models have been refined from kinematic to dynamic and to elastodynamic models, finally including joint backlash. A method for analysing the kinematic Jacobian by using MBS simulation is presented. Motor torque requirements are studied by varying major robot geometry parameters, in dimensionless form for generality. The robot TCP (Tool Center Point) path in time space, predicted from elastodynamic model simulations, has been transformed to the frequency space by Fourier analysis. By comparison of this result with linear (modal) eigen frequency analysis from the elastodynamic MBS model, internal model validation is obtained. Paper C presents a study of joint backlash. An impact model for joint clearance, utilised in paper B, has been developed and compared to a simplified spring-damper model. The impact model was found to predict contact loss over a wider range of rotational speed than the spring-damper model. Increased joint bearing stiffness was found to widen the speed region of chaotic behaviour, due to loss of contact, while increased damping will reduce the chaotic range. The impact model was found to have stable under- and overcritical speed ranges, around the loss of contact region. The undercritical limit depends on the gravitational load on the clearance joint. Papers D and E give examples of the distributed simulation model approach proposed in paper A. Paper D presents simulation and optimisation of linear servo drives for a 3-axis gantry robot, using block systems modelling. The specified kinematic behaviour is simulated with multi body modelling, while drive systems and control system are modelled using a block system model for each drive. The block system model has been used for optimisation of the transmission and motor selection. Paper E presents an approach for re-using CAD geometry for multi body modelling of a rock drilling rig boom. Paper F presents synthesis methods for mechanical systems. Joint and part number synthesis is performed using the Grübler and Euler equations. The synthesis is continued by applying the theory of generative grammar, from which the grammatical rules of planar mechanisms have been formulated. An example of topological synthesis of mechanisms utilising this grammar is presented. Finally, dimensional synthesis of the mechanism is carried out by utilising non-linear programming with addition of a penalty function to avoid singularities.
keywords	Simulation; Optimisation; Control Systems; Computer Aided Engineering; Multi Body Systems; Finite Element Method; Backslash; Clearance; Industrial Robots; Parallel Robots
series	thesis:PhD
last changed	2003/02/12 22:37

_id	ddss2004_d-49
id	ddss2004_d-49
authors	Polidori, M. and R. Krafta
year	2004
title	Environment – Urban Interface within Urban Growth
source	Van Leeuwen, J.P. and H.J.P. Timmermans (eds.) Developments in Design & Decision Support Systems in Architecture and Urban Planning, Eindhoven: Eindhoven University of Technology, ISBN 90-6814-155-4, p. 49-62
summary	This work presents the synthesis of a model of urban growth dedicated to accomplish simulations of urban spatial dynamics, based on integrated urban and environmental factors and promoting simultaneity among external and internal growth. The city and surrounding environment are captured and modeled in computational ambient, by application of the centrality / potential model (Krafta, 1994 and 1999), with support of graph theory, cellular automata, GIS and geocomputation. The model assumes the city as a field of opportunities for obtaining income, mediated by the space, which is composed of urban and environmental attributes, that work as attractors or as resistances for the urban growth. The space configuration and the distribution of those attributes generate tensions that differentiate qualitatively and quantitatively the space, through the centrality measure (built with the support of graphs techniques), coming to provoke growth in places with larger potential of development (built with the help of techniques of CA – cellular automata). Growths above environmental thresholds are considered problems, generated and overcome in the same process of production of the urban space. Iterations of that process offer a dynamic behaviour to the model, allowing to observe the growth process along the time. The model presents several possibilities: a) urban - natural environment integration; b) internal and external growth integration; c) variety in the scale; d) GIS integration and geocomputation; e) user interface; f) calibration; g) theoretical possibilities; and h) practical possibilities.
keywords	Environment, Urban Growth, Urban Morphology, Simulation
series	DDSS
last changed	2004/07/03 22:13

_id	f851
authors	Ramasubramanian, Pattanaik and Greenberg
year	1999
title	A perceptually based physical error metric for realistic image synthesis
source	Alyn Rockwood, editor, SIGGRAPH 99 Conference Proceedings, Annual Conference Series, ACM SIGGRAPH, Addison Wesley
summary	We introduce a new concept for accelerating realistic image synthesis algorithms. At the core of this procedure is a novel physical error metric that correctly predicts the perceptual threshold for detecting artifacts in scene features. Built into this metric is a computational model of the human visual system's loss of sensitivity at high background illumination levels, high spatial frequencies, and high contrast levels (visual masking). An important feature of our model is that it handles the luminance-dependent processing and spatiallydependent processing independently. This allows us to precompute the expensive spatially-dependent component, making our model extremely efficient. We illustrate the utility of our procedure with global illumination algorithms used for realistic image synthesis. The expense of global illumination computations is many orders of magnitude higher than the expense of direct illumination computations and can greatly benefit by applying our perceptually based technique. Results show our method preserves visual quality while achieving significant computational gains in areas of images with high frequency texture patterns, geometric details, and lighting variations.
series	other
last changed	2003/04/23 15:50

_id	160c
authors	Selles, Pascual
year	1999
title	RGB Winds are Blowing in the Design Studio
doi	https://doi.org/10.52842/conf.ecaade.1999.286
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 286-291
summary	This paper presents the results of two design studio elective courses offered to students in their second and third semester of studies at the Design Studio Department, "Universidad Politécnica de Valencia, UPV." Classes are based on a methodology that directly relates the language of architectural form and space, to the language of the specific software being used. Our focus is not only to discover what may be represented, but most important what may not, and why. We aim to point out the differences between architecture as perceived and experienced by a human being, and its digital representation as a computer data structure. At the Digital Design Studio, students are faced with a sequence of two projects so as to learn the basics of architecture, while developing their skill to build a digital representation of it. The first exercise within this CAD sequence is reading and analyzing a built project: a study of precedent. With this exercise we aim at two goals: to decipher the keys or parameters of architectural design, from drawings and pictures, trying to recognize an "architectural language"; and to learn a particular syntax of digital modeling. The second exercise is a project of a single family house within a narrow rectangular site and with only one street elevation. With this project we focus on the strong impact of stairs on the organization of functions and circulation, the illumination and ventilation of spaces with double heights and patios, and study the power of the section to express clearly the organization of spaces.
keywords	Computer Aided Design, Studio, Education
series	eCAADe
email
last changed	2022/06/07 07:56

_id	add2
authors	Won, Peng-Whai
year	1999
title	The Comparison between Visual Thinking Using Computer and Conventional Media in the Concept Generation Stages of Design
doi	https://doi.org/10.52842/conf.caadria.1999.363
source	CAADRIA '99 [Proceedings of The Fourth Conference on Computer Aided Architectural Design Research in Asia / ISBN 7-5439-1233-3] Shanghai (China) 5-7 May 1999, pp. 363-372
summary	Computer, this new kind of media, has influenced the behavior of design to some degree. Among these years, many researches have appeared for the development of computer-aided design. In recent years, such kind of computer-aided studies about the forepart of design, that is the stage of concept generation, have also started to generate. But most of these researches belonged to the kind of applied studies with the test of computer systems. On the other hand, there were many researches about the visual thinking and cognitive behavior of designers while sketching or drawing in the stage of concept generation. From the synthesis of the fore two disciplines, we can find that there existing a point of deficiency, that is the cognitive research about designers using computers as the sketching media is absent. And that is what I want to study and discuss in this research. The fundamental analytic data of this research is the visual process chronicled form the sketching of subjects, and the assistant analytic data is the verbal data from the questions that the subjects are asked after his/her sketching. These data is analyzed by three coding schema. The cognitive appearance while designers generating concepts with computers or conventional media are propounded and discussed in this research.
series	CAADRIA
last changed	2022/06/07 07:57

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