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	a927
authors	Amirante, Isabella and Bosco, Antonio
year	1995
title	Hypertext Between Research and Teaching: An Experience in a Didactic Building Technology Laboratory
doi	https://doi.org/10.52842/conf.ecaade.1995.003
source	Multimedia and Architectural Disciplines [Proceedings of the 13th European Conference on Education in Computer Aided Architectural Design in Europe / ISBN 0-9523687-1-4] Palermo (Italy) 16-18 November 1995, pp. 3-12
summary	IPER (hypertext for the knowledge of building patrimony) is the result of a research developed with C.N.R. (National Research Institute). The aim of IPER is to provide the knowledge, the description and the management of one or more historical buildings for public or private institutions. IPER allowed us to improve our methodology of building analysis, covering various disciplinary fields, in two different systems. (1.) the first one, synthetic and suitable for a group of historical buildings, (2.) the second one, complex and particularly made for monumental buildings. // This experience is related to the new regulation of teaching architecture in Italy made in 1993. The main novelty is the introduction of the laboratories with the contemporary presence of two or three teachers of different disciplines, working together with the students on the same project with different approaches. This opportunity allowed us to introduce the "knowledge engineer" as a teacher in the laboratory of building technology. IPER is given to the students with the aim of experimenting and solving the theoretical and practical difficulties that students of different years may encounter in the knowledge and representation of buildings and in the organisation of all the data from the case study.
series	eCAADe
more	http://dpce.ing.unipa.it/Webshare/Wwwroot/ecaade95/Pag_1.htm
last changed	2022/06/07 07:54

_id	4202
authors	Brown, Michael E. and Gallimore, Jennie J.
year	1995
title	Visualization of Three-Dimensional Structure During Computer-Aided Design
source	International Journal of Human-Computer Interaction 1995 v.7 n.1 pp. 37-56
summary	The visual image presented to an engineer using a computer-aided design (CAD) system influences design activities such as decision making, problem solving, cognizance of complex relationships, and error correction. Because of the three-dimensional (3-D) nature of the object being created, an important attribute of the CAD visual interface concerns the various methods of presenting depth on the display's two-dimensional (2-D) surface. The objective of this research is to examine the effects of stereopsis on subjects' ability to (a) accurately transfer to, and retrieve from, long-term memory spatial information about 3-D objects; and (b) visualize spatial characteristics in a quick and direct manner. Subjects were instructed to memorize the shape of a 3-D object presented on a stereoscopic CRT during a study period. Following the study period, a series of static trial stimuli were shown. Each trial stimulus was rotated (relative to the original) about the vertical axis in one of six 36° increments between 0° and 180°. In each trial, the subject's task was to determine, as quickly and as accurately as possible, whether the trial object was the same shape as the memorized object or its mirrored image. One of the two cases was always true. To assess the relative merits associated with disparity and interposition, the two depth cues were manipulated in a within-subject manner during the study period and during the trials that followed. Subject response time and error rate were evaluated. Improved performance due to hidden surface is the most convincing experimental finding. Interposition is a powerful cue to object structure and should not be limited to late stages of design. The study also found a significant, albeit limited, effect of stereopsis. Under specific study object conditions, adding disparity to monocular trial objects significantly decreased response time. Response latency was also decreased by adding disparity information to stimuli in the study session.
series	journal paper
last changed	2003/05/15 21:45

_id	647a
authors	Kirschner, Ursula
year	1996
title	Teaching Experimental Design with CAAD
doi	https://doi.org/10.52842/conf.ecaade.1996.221
source	Education for Practice [14th eCAADe Conference Proceedings / ISBN 0-9523687-2-2] Lund (Sweden) 12-14 September 1996, pp. 221-226
summary	2-D CAAD is the standard tool in architectural work and education. whereas 3-dimensional CAAD is still used to present a finished design. This paper demonstrates that experimental design in 3-D allows students to deal with new methods of design. At North East Lower Saxony Polytechnic, 1995 saw the beginning of development of didactic methods for teaching design with the interactive use of common 3-D CAAD tools. Six exercises were devised, the first two being 2-D exercises in urban and layout design. Subsequent steps introduced three styles of architectural designing with 3-D tools. The students selected one of these styles for their three-day exercise in urban planning. Based on the results, three main ways were developed: the "digital toolkit", the "additive design approach" and the "lighting simulation".
series	eCAADe
last changed	2022/06/07 07:52

_id	640d
authors	Koszewski, Krysztof
year	1995
title	Communication of Ideas in Architecture Versus Computer Techniques
source	CAD Space [Proceedings of the III International Conference Computer in Architectural Design] Bialystock 27-29 April 1995, pp. 171-180
summary	Computer as a tool in architects' work is an obvious thing for near all of us. Recent two - three years have shown that probably the most revolutionary feature of computers is their immense possibility of usage in today's communication techniques, the continuous flow of information. This fact makes us to think about computer techniques as an useful tool not only in designing, but also in extensive presenting of ideas - like communication between architects and all the others involved in the designing and building process. Presenting ideas requires prior process of gathering data and storing it in computers' memory. Incredible progress in ways of organizing information leads also to the idea of developing a sketch of a standard of the amount and structure of information gathered to make it an universal set of parameters describing the design - a multi - functional database. The first part (presenting ideas) is more to be used in Poland by now. Architects should appreciate benefits of an impressive presentation and they already started to. The universal database for use by everyone, or rather a file of the project, which presentation is a part of, is rather a theory by now. But exploring it’s potential and a real need to create one - is essential.
series	plCAD
email
last changed	2003/05/17 10:01

_id	617e
authors	Wang, Cheng-Jui
year	1995
title	Shape cognition in design: constructing a cognitive model of shapes for different design fields
source	NCTU, iaa
summary	The purpose of this paper is to reveal the characteristics of shape cognition of different design fields in the 'intuitive design' domain, and to construct a cognitive model of shape cognition for different design fields. The research procedure used in this study consisted of two phases. The first phase was applied to protocol analysis study of three professional designers in architectural design, industrial design and graphic design respectively. In the second phase, one controlled laboratory experiment was designed to reveal the characteristics of designers' shape perception in different 'intuitive design' fields. By these empirical findings, we found that designer's cognitive processes of shapes would be not alike in different design fields. The results suggest that in different design fields, designer's shape cognition processes will be different, and in each design field, similar cognitive processes of shape contained different design meanings.
series	other
last changed	2003/04/23 15:50

_id	0c8e
authors	Ager, Mark Thomas and Sinclair, Brian R.
year	1995
title	StereoCAD: Three Dimensional Representation
source	Sixth International Conference on Computer-Aided Architectural Design Futures [ISBN 9971-62-423-0] Singapore, 24-26 September 1995, pp. 343-355
summary	Concepts of stereoscopic vision have been around for more than two thousand years. Despite this long history, its application to the field to architecture and design seems relatively unexplored. Synthesis of two technologies, the stereoscope and the computer, was the focus of the present study. The goal of the research was to determine if computer-generated stereoscopic pairs hold value for architectural design. Using readily available computer technology (Apple Macintosh) the research team modelled and rendered an existing project to verify the degree of correlation between the physical construct, the computer 3D model and resultant correlation between the physical construct, the computer 3D model and resultant rendered stereo-paired representation. The experiments performed in this study have shown that producing stereo-paired images that highly correlate to reality is possible using technology that is readily available in the marketplace. Both the technology required to produce (i.e., personal computer and modelling/rendering software) and view (i.e., modified stereoscope) the images is unimposing. Both devices can easily fit in a studio or a boardroom and together can be utilized effectively to permit designers, clients and end-users to experience proposed spaces and projects. Furthermore, these technologies are familiar (clients and end-users have already experienced them in other applications and settings) and assume a fraction of the cost of more dynamic, immersive virtual reality systems. Working from this base, limitations of the process as well as future applications of computer-generated stereoscopic images are identified.
keywords	Stereovision, Representation, Computers, Architects, Design
series	CAAD Futures
last changed	2003/11/21 15:15

_id	32e3
authors	Avis, Andrew
year	1995
title	Public Spaces on the Information Highway: The Role of Community Networks
source	University of Calgary
summary	This thesis explores the phenomenon of community networking in Canada, particularly as it impacts the issue of universal access to emerging broadband networks. The regulatory context of community networking is examined, and recent government efforts reviewed and critiqued. Through two case studies, an analysis of three potential benefits arising from community networking is developed. These three benefits are: increased participation in the democratic system, increased access to education, and community development. Several models for providing universal access, through community networks, are presented.
series	thesis:MSc
email
more	http://www.ucalgary.ca/UofC/faculties/GNST/theses/avis/
last changed	2003/11/21 15:16

_id	30d7
authors	Bartnicka, Malgorzata
year	1995
title	Childishly Honest Associate of the Trickery
source	CAD Space [Proceedings of the III International Conference Computer in Architectural Design] Bialystock 27-29 April 1995, pp. 209-219
summary	Perspective is a method of presentation of 3- dimensional space on the 2-dimensional surface. It can only approximately express the complexity of the authentic perception of reality. During the centuries canons of presentation varied in different epochs. It is quite possible that conventions of presentation considered today as exact expressions of reality may seem for the future generations as untrue as the ancient Egypt paintings seem for us. Our mind plays the major role in all kinds of presentation. During the whole life we learn to perceive the surrounding reality. We have formed also ability to ,see" the perspective. The linear perspective is not so easy in perception without factors of colour and light. These factors play a very important role in perception of the distance. The perception of perspective is not always unmistakable. Introduction of light and shadow is one of the measures to limit the ambiguity. Objects shown in perspective with appropriately chosen colouring and light-and-shade effects reveal impression of the distance inside the flat picture. Illusions of perspective are most astonishing when one can assume deep-rooted expectations and suppositions of the addressee. The computer monitor, like the picture, has only one plane on which our project can be presented. The major feature of architecture programs is both the possibility of creating various architecture spaces and the possibility to examine how (in our opinion) the created space would affect the addressee. By means of computer programs we are able to generate drawings and objects of two kinds: first - being the ideal projection of reality (at least in the same measure as the photograph), and the second - being the total negation of perspective rules. By means of CAD programs enabling 3-dimensional job we can check how all sorts of perspective tricks and artifices affect our imagination. The program cooperates with us trying to cheat the imperfect sense of sight. The trickeries can be of various type, starting from play of lights, through the elements changing the perception of perspective, and terminating with objects totally negating the rules of sound construction of solids. The knowledge contained in these programs is an encyclopaedic recapitulation of all sorts of achievements in the field of perspective and application of colour and light effects. All that remains to the users is to exploit this tremendous variety of capabilities.
series	plCAD
last changed	2000/01/24 10:08

_id	ddssar0206
id	ddssar0206
authors	Bax, M.F.Th. and Trum, H.M.G.J.
year	2002
title	Faculties of Architecture
source	Timmermans, Harry (Ed.), Sixth Design and Decision Support Systems in Architecture and Urban Planning - Part one: Architecture Proceedings Avegoor, the Netherlands), 2002
summary	In order to be inscribed in the European Architect’s register the study program leading to the diploma ‘Architect’ has to meet the criteria of the EC Architect’s Directive (1985). The criteria are enumerated in 11 principles of Article 3 of the Directive. The Advisory Committee, established by the European Council got the task to examine such diplomas in the case some doubts are raised by other Member States. To carry out this task a matrix was designed, as an independent interpreting framework that mediates between the principles of Article 3 and the actual study program of a faculty. Such a tool was needed because of inconsistencies in the list of principles, differences between linguistic versions ofthe Directive, and quantification problems with time, devoted to the principles in the study programs. The core of the matrix, its headings, is a categorisation of the principles on a higher level of abstractionin the form of a taxonomy of domains and corresponding concepts. Filling in the matrix means that each study element of the study programs is analysed according to their content in terms of domains; thesummation of study time devoted to the various domains results in a so-called ‘profile of a faculty’. Judgement of that profile takes place by committee of peers. The domains of the taxonomy are intrinsically the same as the concepts and categories, needed for the description of an architectural design object: the faculties of architecture. This correspondence relates the taxonomy to the field of design theory and philosophy. The taxonomy is an application of Domain theory. This theory,developed by the authors since 1977, takes as a view that the architectural object only can be described fully as an integration of all types of domains. The theory supports the idea of a participatory andinterdisciplinary approach to design, which proved to be awarding both from a scientific and a social point of view. All types of domains have in common that they are measured in three dimensions: form, function and process, connecting the material aspects of the object with its social and proceduralaspects. In the taxonomy the function dimension is emphasised. It will be argued in the paper that the taxonomy is a categorisation following the pragmatistic philosophy of Charles Sanders Peirce. It will bedemonstrated as well that the taxonomy is easy to handle by giving examples of its application in various countries in the last 5 years. The taxonomy proved to be an adequate tool for judgement ofstudy programs and their subsequent improvement, as constituted by the faculties of a Faculty of Architecture. The matrix is described as the result of theoretical reflection and practical application of a matrix, already in use since 1995. The major improvement of the matrix is its direct connection with Peirce’s universal categories and the self-explanatory character of its structure. The connection with Peirce’s categories gave the matrix a more universal character, which enables application in other fieldswhere the term ‘architecture’ is used as a metaphor for artefacts.
series	DDSS
last changed	2003/11/21 15:16

_id	c2bd
authors	Belblidia, Salim and Perrin, Jean-Pierre
year	1995
title	Multi-Resolution Rendering of Architectural Models
source	Sixth International Conference on Computer-Aided Architectural Design Futures [ISBN 9971-62-423-0] Singapore, 24-26 September 1995, pp. 231-239
summary	This paper presents a method for representing complex models with various levels of detail. It is based on a geometric simplification algorithm and is applied to a scene described by a rooted-tree structure. In order to control the restuting image quality and the computation time, we propose two algorithms which allow to choose one representation of the scene.
keywords	Computer Graphics, Image Synthesis, Realistic Rendering, Real-Time Rendering, Computer Aided Architectural Design
series	CAAD Futures
email
last changed	2003/11/21 15:16

_id	c19c
authors	Beliveau, Y.J.
year	1996
title	What can real-time positioning do for construction?
source	Automation in Construction 5 (2) (1996) pp. 79-89
summary	New technologies are now available that can rapidly measure three-dimensional coordinates of objects. The integration of these fast 3-D Real-time Position Measurement (D-RtPM) devices and CAD (3D-RtPM/CAD) technologies can be viewed as a better tool for surveyors or as a means to change the most fundamental concepts of the construction industry. 3D-RtPM/CAD is a better surveying tool; however, 3D-RtPM/CAD as the basis for fundamental change within the construction industry is the issue.There are several potential technologies that can provide real-time position measurement. This paper will limit presentation to two of these. The first is based on recent developments in Global Positioning Systems. The second is a new laser-based product, OdysseyTM (Odyssey is a trademark of Spatial Positioning Systems, Inc.). Odyssey received the NOVA award in March, 1995 because of its recognized performance enhancement to the construction industry. These positioning systems provide the capability for equipment and crafts people to view the project from a graphical representation in which they see their position interactively updated. Potential benefits to the construction industry are presented. The research needed achieving maximum benefits of these systems is also presented.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	sigradi2008_049
id	sigradi2008_049
authors	Benamy, Turkienicz ; Beck Mateus, Mayer Rosirene
year	2008
title	Computing And Manipulation In Design - A Pedagogical Experience Using Symmetry
source	SIGraDi 2008 - [Proceedings of the 12th Iberoamerican Congress of Digital Graphics] La Habana - Cuba 1-5 December 2008
summary	The concept of symmetry has been usually restricted to bilateral symmetry, though in an extended sense it refers to any isometric transformation that maintains a certain shape invariant. Groups of operations such as translation, rotation, reflection and combinations of these originate patterns classified by modern mathematics as point groups, friezes and wallpapers (March and Steadman, 1974). This extended notion represents a tool for the recognition and reproduction of patterns, a primal aspect of the perception, comprehension and description of everything that we see. Another aspect of this process is the perception of shapes, primary and emergent. Primary shapes are the ones explicitly represented and emergent shapes are the ones implicit in the others (Gero and Yan, 1994). Some groups of shapes known as Semantic Shapes are especially meaningful in architecture, expressing visual features so as symmetry, rhythm, movement and balance. The extended understanding of the concept of symmetry might improve the development of cognitive abilities concerning the creation, recognition and meaning of forms and shapes, aspects of visual reasoning involved in the design process. This paper discusses the development of a pedagogical experience concerned with the application of the concept of symmetry in the creative generation of forms using computational tools and manipulation. The experience has been carried out since 1995 with 3rd year architectural design students. For the exploration of compositions based on symmetry operations with computational support we followed a method developed by Celani (2003) comprising the automatic generation and update of symmetry patterns using AutoCAD. The exercises with computational support were combined with other different exercises in each semester. The first approach combined the creation of two-dimensional patterns to their application and to their modeling into three-dimensions. The second approach combined the work with computational support with work with physical models and mirrors and the analysis of the created patterns. And the third approach combined the computational tasks with work with two-dimensional physical shapes and mirrors. The student’s work was analyzed under aspects such as Discretion/ Continuity –the creation of isolated groups of shapes or continuous overlapped patterns; Generation of Meta-Shapes –the emergence of new shapes from the geometrical relation between the generative shape and the structure of the symmetrical arrangement; Modes of Representation –the visual aspects of the generative shape such as color and shading; Visual Reasoning –the derivation of 3D compositions from 2D patterns by their progressive analysis and recognition; Conscious Interaction –the simultaneous creation and analysis of symmetry compositions, whether with computational support or with physical shapes and mirrors. The combined work with computational support and with physical models and mirrors enhanced the students understanding on the extended concept of symmetry. The conscious creation and analysis of the patterns also stimulated the student’s understanding over the different semantic possibilities involved in the exploration of forms and shapes in two or three dimensions. The method allowed the development of both syntactic and semantic aspects of visual reasoning, enhancing the students’ visual repertoire. This constitutes an important strategy in the building of the cognitive abilities used in the architectural design process.
keywords	Symmetry, Cognition, Computing, Visual reasoning, Design teaching
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	c05a
authors	Bridges, Alan
year	1995
title	Design Precedents for Virtual Worlds
source	Sixth International Conference on Computer-Aided Architectural Design Futures [ISBN 9971-62-423-0] Singapore, 24-26 September 1995, pp. 293-302
summary	The usual precedents cited in relation to Cyberspace are William Gibson's book "Neuromancer" and Ridley Scott's film. "Bladerunner". This paper argues that, whilst literature and film are appropriate precedents, there are more suitable sources to refer to when designing virtual worlds. The paper discusses the use of computer modelling in exploring architectonic concepts in three-dimensional space. In doing so it draws on the philosophy of simulation and gives examples from alternative film and literature sources but concludes that one of the most appropriate metaphors is widely available in the form of the television soap opera.
keywords	Design Simulation, Space, Time, Virtual Reality
series	CAAD Futures
email
last changed	2003/11/21 15:16

_id	00f4
authors	Brown, Andre G.P. and Knight, Mike
year	1995
title	An Integrated Hypermedia Project
doi	https://doi.org/10.52842/conf.ecaade.1995.111
source	Multimedia and Architectural Disciplines [Proceedings of the 13th European Conference on Education in Computer Aided Architectural Design in Europe / ISBN 0-9523687-1-4] Palermo (Italy) 16-18 November 1995, pp. 111-116
summary	This paper describes how Hypermedia can be used as unifying tool, marrying together many strands of work related to architectural design and CAD. The project which we describe was undertaken with fourth year students at the University of Liverpool and is entitled the Electronic City. It is founded on the premise of assembling a Hypermedia package which describes the city and its architecture to a lay person. There are two strands to the project, the Hypermedia strand and a graphics/CAD strand. At the end the task was then to stitch the strands together to produce a common, coherent Hypermedia package. At the end of the project we expect that the students will have developed skills and an appreciation of: (-) the architecture and history of the city (-) the design of Hypermedia interfaces (-) the design of Information structures (-) three dimensional modelling and rendering
series	eCAADe
email
more	http://dpce.ing.unipa.it/Webshare/Wwwroot/ecaade95/Pag_15.htm
last changed	2022/06/07 07:54

_id	ebc4
authors	Brusasco, Pio Luigi and Caneparo, Luca
year	1995
title	Coordinative Model of Design and Building Process
doi	https://doi.org/10.52842/conf.ecaade.1995.297
source	Multimedia and Architectural Disciplines [Proceedings of the 13th European Conference on Education in Computer Aided Architectural Design in Europe / ISBN 0-9523687-1-4] Palermo (Italy) 16-18 November 1995, pp. 297-306
summary	The paper presents a coordinative model of the design and building process. It is divided into three main sections. The first presents a brief formalization of the model and of its representations, respectively the argumentative, rhetorical and semantic graphs. The second introduces the framework adopted for the development of the model, and describes the two main sub- systems: communicative and coordinative. The third presents the computer implementation, based on the Client,/Client model for the communicative system and on the Client/Server for the coordinative system.
series	eCAADe
email
more	http://dpce.ing.unipa.it/Webshare/Wwwroot/ecaade95/Pag_36.htm
last changed	2022/06/07 07:54

_id	ff05
authors	Butelski, Kazimierz
year	1995
title	A Brief Note on Virtual Space
source	CAD Space [Proceedings of the III International Conference Computer in Architectural Design] Bialystock 27-29 April 1995, pp. 83-92
summary	In its efforts to represent space, and then create architecture on the basis of this representation, humanity has taken three major steps. STEP 1. Representation of space in the form of a drawing or model; representations compared to the mental vision and then redrawn or remodelled, until the vision takes the shape of a finished building. This technology of design" followed different conventions, depending on the epoch. In the Middle Ages the method of approximation by triangles was introduced. The Renaissance used Projection, Elevation and Cross-Section. In order to construct a building, a flat, abstract representation is used, supplemented by a model showing spatial relations and a verbal description, impossible to convey graphically. STEP 2. Methods as in Step 1, but, beginning in the 1970s, with the use of computers, which allows also for the gradual integration of these methods in one program. Theoretically speaking, all necessary data can be now recorded, visualized, animated, etc., on a PC class computer. The design-aid software is based on the method of creating a 3D model of the whole building, and then generating the rest (projections, cross-sections) from it. STEP 3. The above step have - brought us to near- perfection in photorealistic representation of space, which remains, however only a 2D abstraction from 3D space. The next step, which is now taking place before (and in?) our very eyes, is to use systems which bring us directly into 3D space.
series	plCAD
last changed	2000/01/24 10:08

_id	8425
authors	Chiu, Mao-Lin
year	1995
title	Collaborative Design in CAAD Studios: Shared Ideas, Resources, and Representations
source	Sixth International Conference on Computer-Aided Architectural Design Futures [ISBN 9971-62-423-0] Singapore, 24-26 September 1995, pp. 749-759
summary	This paper is to discuss the shared experiences among two institutions learned from the collaborative design project with a three-stage structured design process. The collaborative methodology is developed for participants in the studios to learn how to utilize shared ideas, resources, and representations. Design communication and interaction is taken place through internet in the asynchronous mode. The shift from conventional design studios to collaborative design studios requires several changes, including the tools, the communication media, the remote reflections, and more importantly, the design process, the team organization, and the networked design culture.
keywords	Collaborative Design, Computer-Aided Architectural Design, Computer Supported Collaborative Work, Shared Representations
series	CAAD Futures
email
last changed	2003/05/16 20:58

_id	8955
authors	Donath, Dirk and Regenbrecht, Holger
year	1995
title	VRAD (Virtual Reality Aided Design) in the Early Phases of the Architectural Design Process
source	Sixth International Conference on Computer-Aided Architectural Design Futures [ISBN 9971-62-423-0] Singapore, 24-26 September 1995, pp. 313-322
summary	With this paper we are introducing a system which supports the early phases of the architectural design process. The system consists of two main components: the software solution ìvoxDesign" and the physical environment "platform". Our aims are: to formulate, develop, and evaluate an architectural design system through the use of VR (virtual reality)-space. The exploration and development of design intentions is supplemented by a new method of three dimensional sketching.
keywords	Virtual Reality, Architectural Design, Human Computer Interfaces, Design Techniques
series	CAAD Futures
email
last changed	2003/05/16 20:58

_id	2036
authors	Dzeng, R.J.
year	1995
title	Caseplan: A Case-based Planer and Scheduler for Construction Using Product Modeling
source	University of Michigan
summary	Construction planning and scheduling are important to contractors for estimating the cost and duration of a project they are to bid on and construct. Many projects specify incentive and disincentive clauses for completing projects early and late. The timely completion and success of a project rely on good planning and scheduling. Contractors who repeatedly build the same kind of facilities acquire experience in scheduling the needed construction work. When parts of a facility's design are copied from one project to the next, the previously developed schedules could possibly be reused to schedule future work. This dissertation presents a construction planner and scheduler, named CasePlan, that automates the planning and scheduling process through the use of experience encoded in cases. CasePlan enables a contractor to specify a facility design using a product model, describe the relationships between product components and parts of a schedule (e.g., activity subnetworks, construction crews), and store this information as a case. As a decision support tool, CasePlan enables the contractor to search for cases whose facility designs are similar to that of a new project. The similarity assessment is based on the relative importance values that the contractor assigns to the components and their attributes in the product model. As an automation tool, CasePlan creates the schedule of a new project by reusing parts of the schedules whose associated designs are most similar to that project's design. The result is a schedule in which construction alternatives are chosen from those used in previous cases based on the new project scheduling constraints. The contractor / system-user can interact with CasePlan during its operation or modify the resulting schedule to add detail needed for executing the schedule in the field. Two types of construction projects have been studied for the development of CasePlan. One is the Kit-of-Parts post offices, in which designs are made by reusing design modules defined as Parts. The other is the boiler erection for fossil-fueled power plants, in which the design process is standardized and component configurations are similar across designs. These projects were chosen because their schedules are similar within each project type, which suggested that practitioners had a high incentive and were likely to reuse schedules. CasePlan's similarity assessment for boiler erection projects was validated using a survey. CasePlan's schedules and usability was subjectively evaluated also by the interviewed professionals.
series	thesis:PhD
email
last changed	2003/02/12 22:37

_id	6a3a
authors	Ekholm, A., Fridqvist, S. and Af Klercker, J.
year	1995
title	BAS.CAAD - Building and User Activity Systems Modelling for Computer-Aided Architectural Design
doi	https://doi.org/10.52842/conf.ecaade.1995.217
source	Multimedia and Architectural Disciplines [Proceedings of the 13th European Conference on Education in Computer Aided Architectural Design in Europe / ISBN 0-9523687-1-4] Palermo (Italy) 16-18 November 1995, pp. 217-230
summary	In the early stages of the building design process not only building and site but also user activities and experiences are formed. This paper presents a development programme for CAAD where conceptual models of some fundamental characteristics of building, site and user organisation will be developed and implemented in a prototype CAAD-programme. The models are based both on empirical studies and an ontological Framework which is also used for organising the basic object structure of the prototype CAD program. The architectural design process has several characteristics which a CAAD-programme must support, e.g incremental determination of properties, change of scale and shift of focus. The research investigates how the design object and the user interface can be formed to serve this working method. One important field is to study the usefulness of the user organisation model for the brief and building management stages. The programming work for the prototypes is done with Smalltalk on Macintosh computers. The tests of the prototype includes spatial co-ordination of the three systems.
series	eCAADe
email
more	http://dpce.ing.unipa.it/Webshare/Wwwroot/ecaade95/Pag_28.htm
last changed	2022/06/07 07:55

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