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

PDF papers
References

Hits 1 to 20 of 521

_id b656
authors Chase, S.C.
year 1997
title Logic based design modeling with shape algebras
source Automation in Construction 6 (4) (1997) pp. 311-322
summary A new method of describing designs by combining the paradigms of shape algebras and predicate logic representations is presented. Representing shapes and spatial relations in logic provides a natural, intuitive method of developing complete computer systems for reasoning about designs. The advantages of shape algebra formalisms over more traditional representations of geometric objects are discussed. The method employed involves the definition of a large set of high level design relations from a small set of simple structures and spatial relations. Examples in architecture and geographic information systems are illustrated.
series journal paper
more http://www.elsevier.com/locate/autcon
last changed 2003/05/15 21:22

_id 4e85
authors Datta, S., Chang, T.W. and Woodbury, R.F.
year 1997
title Describing Temple Cellas Using Seed-Config
doi https://doi.org/10.52842/conf.caadria.1997.367
source CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 367-376
summary We focus on portions of the constructive geometry of early Hindu temple cellas from western India, the use of massing technologies in SEED-Config, a rule based generative modeller and the spaces of cella designs engendered by such descriptions. We introduce the basic cella form and present two technology sets in detail, Anga and Sikhara, based on canonical geometric relations in two dimensions and demonstrate the use of these relations in three dimensions. Finally, we propose research directions and draw lessons from our experience in the writing of domain specific descriptions.
series CAADRIA
email
last changed 2022/06/07 07:55

_id c2c6
authors Hendricx , Ann
year 1997
title Shape, Space And Building Element: Development of a Conceptual Object Model for the Design Process
doi https://doi.org/10.52842/conf.ecaade.1997.x.g4l
source Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
summary The paper describes the first steps taken in the search for a central object model presenting all possible data, concepts and operations concerning the architectural design process.  From the early design stage, an architectural model can be built on computer.  A central object model of this process is essential: a model describing geometrical shapes, spaces, building elements and user activities, together with all the basic operations these entities can undertake.  The model could provide the necessary information for the performance of tests to assist the designer (energy calculation, stability check, costs ...).  Appropriate interfaces between the object model and existing software packages allow different actors in the design process to make use of the model’s data. First, the conceptual model for CAAD in the design process is described. The second part deals with the methodology used for developing the object model: M.E.R.O.DE (Model-driven Entity-Relationship Object-oriented Development) proves to be a firm base to start our design.  Finally, we present some aspects of the first prototype for such a central object model.
keywords Object Model, CAAD, Object-oriented
series eCAADe
email
more http://info.tuwien.ac.at/ecaade/proc/hendricx/hendricx.htm
last changed 2022/06/07 07:50

_id 0a35
authors Junge, R., Steinmann, R. and Beetz, K.
year 1997
title A Dynamic Product Model - A base for Distributed Applications
source CAAD Futures 1997 [Conference Proceedings / ISBN 0-7923-4726-9] München (Germany), 4-6 August 1997, pp. 617-634
summary The project work described in this paper is a part of the ESPRIT VEGA Project. It is related to two companion papers issued in this conference proceedings. 'Product Data Model for Interoperability in an Distributed Environment' and 'The VEGA Platform' are describing the technological basis for an application modeled to capture and convert the working environment of architects and building engineers, in short: the building design team, to an computer environment. The ESPRIT projects are increasingly forced into 'public and private risk funding and sharing policy. This part of VEGA is explicitly directed to exploitation of the EU funded project. This can be reached by a stepwise (small steps) transition from research to commercial implementation.
series CAAD Futures
email
last changed 1999/04/06 09:19

_id 63bb
authors Kokosalakis, J., Brown, G. and Moorhouse, J.
year 1997
title Incremental Reflective Learning and Innovative Practice in Electronic Design Media
doi https://doi.org/10.52842/conf.ecaade.1997.x.u1q
source Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
summary This paper discusses the impact of a continuously developing CAAD learning strategy, describing in detail a few of these principles, and considering their dynamic impact through deeper more lasting learning, feeding a substantial intensification in the application of Architectural Designing with Computers, changing design methods with interesting analytical and creative results.Aspects of the CAAD teaching discussed include extended collaboration between CAAD and design tutors in defining learning outcomes and tutoring the students’ application of CAAD to design projects, inclusion of CAAD within traditional interim reviews and feedback for design projects and bringing emphasis on conceptual principles, structuring the model and simple programming into earlier stages of the teaching programme and a simple excursion into programming. Studio project examples indicate the interplay between teaching, learning and achievement. Some evidence is explored in greater detail. from the "Interstitial Layers" project utilising the appropriateness of CAAD to store and switch the visibility of spatial data in endless permutations and extensive combinations for mapping, analysing and strategically projecting patterns of city centre activities, fabric and space. Students’ demonstrate a dynamic command of CAAD: as a vehicle for conceptual design, a device to analytically review, criticise and modify the design, as a means to explain design ideas to tutors and to develop and detail final building designs. Reciprocal valuing of quality CAAD achievement between architecture students and staff is seen to be contributing to involvement and motivation, reinforcing striving for equality of achievement. Reference to a further strand of the new methodology considers the impact of tutoring based in researcher findings from video case study precedents of architects practising creative design through use of computers, on a more open, effective development of the architecture students’ own designing processes, culminating in interesting design work.
keywords Incremental Learning, Understanding, CAAD-Design Approaches, Retention, Feedback, Review, Urban Spatial Forms, Spatial Analysis, "Interstitial Layers", Patterns, Conceptual Electronic Designing, Creative Innovation, Equality and Sharing
series eCAADe
email
more http://info.tuwien.ac.at/ecaade/proc/kokosa/jmup01.htm
last changed 2022/06/07 07:50

_id 23ea
authors Seebohm, Thomas and Wallace, William
year 1997
title Rule - Based Representation Of Design In Architectural Practice
doi https://doi.org/10.52842/conf.acadia.1997.251
source Design and Representation [ACADIA ‘97 Conference Proceedings / ISBN 1-880250-06-3] Cincinatti, Ohio (USA) 3-5 October 1997, pp. 251-264
summary It is suggested that expert systems storing the design knowledge of particular offices in terms of stylistic and construction practice provide a means to take considerably more advantage of information technology than currently. The form of the knowledge stored by such expert systems is a building representation in the form of rules stating how components are placed in three-dimensional space relative to each other. By describing how Frank Lloyd Wright designed his Usonian houses it is demonstrated that the proposed approach is very much in the spirit of distinguished architectural practice. To illustrate this idea, a system for assembling three-dimensional architectural details is presented with particular emphasis on the nature of the rules and the form of the building components created by the rules to assemble typical details. The nature of the rules, which are a three-dimensional adaptation of Stiny's shape grammars, is described. In particular, it is shown how the rules themselves are structured into different classes, what the nature of these classes is and how specific rules can be obtained from more general rules. The rules embody a firm's collective design experience in detailing. As a conclusion, an overview is given of architectural practice using rule-based representations.

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

_id 2a63
authors Wrona, S., Miller, D. and Klos, J.
year 1997
title The Systematization of Information in the Computer Aided Architectural Design
doi https://doi.org/10.52842/conf.ecaade.1997.x.e8l
source Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
summary Since the CAD methods were invented, the systematization of information in CAD has been strongly connected to the computerization of architect’s workshop. Nowadays, in 90., this systematization has to the great extent negative consequences. A designer understands the systematization of information through abilities and disabilities of the one, particular graphical aided documentation development system, which he deploys himself. The traditional method of design is clearly opposed to the computerized method. Data bases are seen by architects as a set of information describing particular and unique architectural project and some selected aspects correlated with narrow specialization of designer. Collaboration between participants of design process is still very challenging due to the usage of different tools and different systematization of information. It is necessary to define modern part of information in architectural design. The systematization of information should be a foundation for development of computer systems and not contrary, in this way it will be possible to overcome opposition between traditional and computerized techniques. Architect’s workshop, from the point of view of the informational structure of ongoing information exchange processes, should in greater part relay on the experience of structural analysis used for development of information systems in business. Effective utilization of computer methods requires the extension of collaboration between all the participants of design process, search for active access to distributed data bases (i.e. Internet) and increase of methodological consciousness (the ability to form own design strategies, methods and structures) indispensable for development of modern CAD systems which wouldn’t be limited to a computer graphics.
keywords CAAD, Collaboration, Databases, Information, Systematization, Workshop
series eCAADe
email
more http://info.tuwien.ac.at/ecaade/proc/wrona/wrona.htm
last changed 2022/06/07 07:50

_id 6112
authors Daru, Roel and Snijder, H.P.S.
year 1997
title GACAAD or AVOCAAD? CAAD and Genetic Algorithms for an Evolutionary Design Paradigm
source AVOCAAD First International Conference [AVOCAAD Conference Proceedings / ISBN 90-76101-01-09] Brussels (Belgium) 10-12 April 1997, pp. 145-161
summary One of the dominant paradigms in architecture is about its creation: it is done by human designers supported by tools like sketching, drawing or modelling and evaluation tools. The Darwinistic paradigm demands a paradigmatic switch from drawing, modelling and evaluation to the breeding of forms with a much more integrated generation and selecting process embedded in the computer machinery. This means a paradigm switch from a designer as the performer of (sketch, draw or modelling) work to a machine driven creation and selection process of forms with the designer as the supervisor, fully entitled to steer the process in some preferred directions. The designer creates by establishing the evolutionary rules and making choices among the architectural creatures emerging in rapid fire modethrough the synthesis performed by the machine. Natural selection is a Metaphor: in fact the designer plays Nature (or God). The creatures allowed to flourish are not adequate according to laws of Nature, but to the judgement of the designer (or to the designing team).
series AVOCAAD
last changed 2005/09/09 10:48

_id 567d
authors Farrag, C., Pinna Braga, F. and Teixeira, P.
year 2000
title Investigação de Metodologia de Ensino de Informática Aplicada à Arquitetura (Research on the Methodology for Teaching Computer Applications in Architecture)
source SIGraDi’2000 - Construindo (n)o espacio digital (constructing the digital Space) [4th SIGRADI Conference Proceedings / ISBN 85-88027-02-X] Rio de Janeiro (Brazil) 25-28 september 2000, pp. 347-349
summary Description of class research from 1997-2 to 2000-1 in “Applied Computing in Architecture” conducted in the sixth semester of the Architecture Program at Faculdade de Belas Artes de São Paulo. The study is intended to analyze, evaluate and discover new paradigms in the introduction/application of class methodologies of teaching the use of computer in the design process. Our intention is to verify the students natural understanding of the principles of 3D digital modeling by introducing new tools for defining space and form, using the computer as a communication/representation system, and not only as a mimetized production tool. The challenge was to find a natural syntony between the digital projectual process and the learning process. At the end of each semester we evaluated the results and redirected the class proposals.
series SIGRADI
email
last changed 2016/03/10 09:51

_id c01c
authors Holtz, W. Bradley
year 1997
title CAD Rating Guide : A Tool for The Evaluation of Computer-Aided Design Systems, Including Fem, Gis, and Animation Systems : A Comprehensive Comparison
source PennWell Publications
summary A Tool for The Evaluation of Computer-Aided Design Systems, Including Fem, GIS, and Animation Systems
series other
last changed 2003/06/03 12:27

_id 53ad
authors Huang, Jeffrey
year 1997
title Interorganizational Systems in Design
source Harvard University, Graduate School of Design
summary This thesis employs recent developments in coordination theory to analyze and map the coordination processes among participating firms in building design. The process model enables an understanding of the activities and dependencies in the collaborative design process, based on which potential implications of Interorganizational Information Systems (IOS), such as concurrent design platforms, vertical information links and electronic marketplaces, can be understood and critically assessed. Part One defines the parameters of the research, and contrasts the implementation of IOS in the aerospace, automobile and consulting industry to the state of practice in the building design industry. From the comparison, the need for fundamentally rethinking and redesigning the building design process is derived. Part Two describes how this can be accomplished by making the coordination processes in building design explicit. The building design process is decomposed into its core activities and dependencies, and new ways of recomposing the processes are identified which use alternative coordination mechanisms facilitated by IOS. Part Three describes the implications of the process model. Suggestions for appropriate IOS are made, and evidence of IOS applications in design is given in the analysis of four field studies, and in an example redesign of a design process.
series thesis:PhD
email
last changed 2003/02/12 22:37

_id a99e
authors Kalay, Yehuda E.
year 1997
title P3: An Integrated Environment to Support Design Collaboration
doi https://doi.org/10.52842/conf.acadia.1997.191
source Design and Representation [ACADIA ‘97 Conference Proceedings / ISBN 1-880250-06-3] Cincinatti, Ohio (USA) 3-5 October 1997, pp. 191-205
summary Buildings are the combined product of the efforts of many participants interacting in complex ways over a prolonged period of time. Currently, sequential communication among the participants is the standard means of collaboration. This method, which is well suited to current legal and professional practices, is inefficient, fraught with loss of information and prone to errors, cost and schedule overruns, and promotes optimization of individual parts at the expense of the overall project. This paper describes an integrated design environment that will facilitate collaborative decision making among the various participants, not merely communicate the results of decisions made by one participant to the other participants in the design team. It is based on the convergence of computing and telecommunication technologies, coupled with the emergence of new design paradigms, which together can overcome the technical difficulties associate with current collaborative design practices. It comprises three different modules: a product model, a performance model, and a process model (hence it is called P3). The paper presents each of these models and their integration into a unified framework.

series ACADIA
email
last changed 2022/06/07 07:52

_id 1767
authors Loveday, D.L., Virk, G.S., Cheung, J.Y.M. and Azzi, D.
year 1997
title Intelligence in buildings: the potential of advanced modelling
source Automation in Construction 6 (5-6) (1997) pp. 447-461
summary Intelligence in buildings usually implies facilities management via building automation systems (BAS). However, present-day commercial BAS adopt a rudimentary approach to data handling, control and fault detection, and there is much scope for improvement. This paper describes a model-based technique for raising the level of sophistication at which BAS currently operate. Using stochastic multivariable identification, models are derived which describe the behaviour of air temperature and relative humidity in a full-scale office zone equipped with a dedicated heating, ventilating and air-conditioning (HVAC) plant. The models are of good quality, giving prediction accuracies of ± 0.25°C in 19.2°C and of ± 0.6% rh in 53% rh when forecasting up to 15 minutes ahead. For forecasts up to 3 days ahead, accuracies are ± 0.65°C and ± 1.25% rh, respectively. The utility of the models for facilities management is investigated. The "temperature model" was employed within a predictive on/off control strategy for the office zone, and was shown to substantially improve temperature regulation and to reduce energy consumption in comparison with conventional on/off control. Comparison of prediction accuracies for two different situations, that is, the office with and without furniture plus carpet, showed that some level of furnishing is essential during the commissioning phase if model-based control of relative humidity is contemplated. The prospects are assessed for wide-scale replication of the model-based technique, and it is shown that deterministic simulation has potential to be used as a means of initialising a model structure and hence of selecting the sensors for a BAS for any building at the design stage. It is concluded that advanced model-based methods offer significant promise for improving BAS performance, and that proving trials in full-scale everyday situations are now needed prior to commercial development and installation.
series journal paper
more http://www.elsevier.com/locate/autcon
last changed 2003/05/15 21:22

_id 69fb
authors Martini, Kirk
year 1997
title Ancient Structures and Modern Analysis: Investigating Damage and Reconstruction at Pompeii
doi https://doi.org/10.52842/conf.acadia.1997.283
source Design and Representation [ACADIA ‘97 Conference Proceedings / ISBN 1-880250-06-3] Cincinatti, Ohio (USA) 3-5 October 1997, pp. 283-293
summary The paper describes the application of non-linear structural analysis methods to address archaeological questions concerning the reconstruction of the ancient city of Pompeii after a major earthquake that occurred seventeen years prior to the famous eruption of Mt. Vesuvius in 79 AD. It presents preliminary findings in an effort to develop an approach to modeling the two-way out-of-plane behavior of unreinforced masonry walls, including comparison studies with published analytic and experimental results for one-way loaded walls, plus a trial analysis for a two-way span condition. The approach requires the application of computationally intensive non-linear analysis techniques, since the linear analysis methods used in conventional design and education are inadequate to model the behavior of unreinforced masonry. Developing an understanding of the two-way behavior of unreinforced masonry has implications not only for archaeological investigation of ancient structures, but also for modern renovation of historic structures.

series ACADIA
email
last changed 2022/06/07 07:59

_id 0724
authors Park, T., and Mirande, V.
year 1997
title Comparison of the Effectiveness of Two Computer-Assisted Instruction Methods for Learning Architectural Concepts in Design Studio
doi https://doi.org/10.52842/conf.ecaade.1997.x.d9t
source Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
summary In design studio, during the preliminary stage of a project, learning architectural concepts through the study of precedents is a common activity. A few computer-based tools for precedent study have been developed, however, most have focused on delivering information without considering aspects of learning concepts. Although the tools apply digital media, such as hypermedia and multimedia, their instructional method is limited to direct instruction for presentation of information. The design and development of the tools neglect the need of the study of concept learning, learners, and learning methods.
keywords Architectural precedent study, Concept learning, Design Studioteaching, CAI (computer-assisted instruction)
series eCAADe
more http://info.tuwien.ac.at/ecaade/proc/park/park.htm
last changed 2022/06/07 07:50

_id a8ff
authors Sanchez, Santiago, Zulueta, Alberto and Barrallo, Javier
year 1997
title CAAD and Historical Buildings: The Importance of the Simulation of the Historical Process
doi https://doi.org/10.52842/conf.ecaade.1997.x.u7b
source Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
summary The majority of the problems that CAAD deals with are located in contemporary buildings. But many other buildings of the historical heritage also need special attentions with their computer design prior to the restoration projects. Generally, in restoration work, hand drawing and artistic criteria have been more usual than work with precision topographic data and accurate technical plans.

But a very rigorous design is not always enough to start restoration work. The real state that presents a historical building could have been modified substantially from its original state due to previous interventions, wars, seismic movements, erosion, biological aggressions or any other historical event.

So, it is necessary to join CAAD tasks with a simulation of the historical process suffered by the building. Historical data and ancient cartography must be the basis of all the CAAD works, and the quality of the computer 3D model can be established comparing it with the original available maps.

This paper explains the CAAD works and the intervention proposals for the restoration of the City Walls of Hondarribia, a small Spanish village placed in the frontier between Spain and France. These Renaissance bastioned walls were partially destroyed throughout many wars with France. The exact knowledge of their original trace and dimensions only is possible comparing the real CAD models with the plans that exist in the Spanish Military Archives since the XVIth. century.

The digital store and index of all the historical information, their comparison with real photographs of the city walls, the creation of photo realistic images with the intervention proposals, and the influence of the structural repairs in the final project will be explained in the CAAD context.

keywords CAAD, Historical Buildings
series eCAADe
email
more http://info.tuwien.ac.at/ecaade/proc/barrallo/sanchez.htm
last changed 2022/06/07 07:50

_id 0ec6
authors Shih, Naai Jung
year 1997
title Image Morphing for Architectural Visual Studies
doi https://doi.org/10.52842/conf.caadria.1997.397
source CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 397-406
summary The purpose of this paper is to suggest and demonstrate how image interpolation, as a tool, can facilitate architectural illustration of design content and process. This study emphasizes a design-oriented image transition process that is distinguished by two types of morphing: process and source. A morp model is presented with components of input, function, output and constraints. Based on a model’s definition, a matrix is used to illustrate the relationship between the two source images by referring to origin, reference plan, configuration, time, etc. Morphing contents emphasizes changes of pixel, outline (2D or 3D), and order. Possible applications in architectural visual studies include morphology study, comparison building renovation before and after, dynamic adjustment, quantitative measurement, dynamic image simulation, and model and image combination.
series CAADRIA
last changed 2022/06/07 07:56

_id 07ae
authors Sook Lee, Y. and Mi Lee, S.
year 1997
title Analysis of mental maps for ideal apartments to develop and simulate an innovative residential interior space.
source Architectural and Urban Simulation Techniques in Research and Education [3rd EAEA-Conference Proceedings]
summary Even though results of applied research have been ideally expected to be read and used by practitioners, written suggestions have been less persuasive especially, in visual field such as environmental design, architecture, and interior design. Therefore, visualization of space has been frequently considered as an ideal alternative way of suggestions and an effective method to disseminate research results and help decision makers. In order to make the visualized target space very solid and mundane, scientific research process to define the characteristics of the space should be precedent. This presentation consists of two parts : first research part ; second design and simulation part. The purpose of the research was to identify the ideal residential interior characteristics on the basis of people's mental maps for ideal apartments. To achieve this goal, quantitative content analysis was used using an existing data set of floor plans drawn by housewives. 2,215 floorplans were randomly selected among 3,012 floorplans collected through nation-wide housing design competition for ideal residential apartments. 213 selected variables were used to analyze the floorplans. Major contents were the presentational characteristics of mental maps and the characteristics of design preference such as layout, composition, furnishing etc. As a result, current and future possible trends of ideal residence were identified. On the basis of the result, design guidelines were generated. An interior spatial model for small size unit using CAD was developed according to the guidelines. To present it in more effective way, computer simulated images were made using 3DS. This paper is expected to generate the comparison of various methods for presenting research results such as written documents, drawings, simulated images, small scaled model for endoscopy and full scale modeling.
keywords Architectural Endoscopy, Endoscopy, Simulation, Visualisation, Visualization, Real Environments
series EAEA
email
more http://www.bk.tudelft.nl/media/eaea/eaea97.html
last changed 2005/09/09 10:43

_id 736a
authors Van Helvoort, Rob
year 1997
title Drawing with Pencil, Pen and Mouse
source AVOCAAD First International Conference [AVOCAAD Conference Proceedings / ISBN 90-76101-01-09] Brussels (Belgium) 10-12 April 1997, pp. 363-368
summary The traditional way of architectural design leads to some shortcomings with respect to the quality of the design and the efficiency of the design process. Therefore possibilities for improvements have to be considered. In order to come to fundamental improvements the application of advanced computer technology in the field of architecture has to be co-ordinated with improvements in the area of design methodologies. In this paper we suggest a new methodology for architectural design. It is based on an integrated manner of designing. Despite some early design steps the whole design process is executed on the basis of a 3D model which is handled by means of computers. The central data objects in the design process are the different types of models. The models contain all relevant information generated in the design process. A comparison of our approach with the traditional way of designing illustrates the potential of the new methodology.
keywords Design Methodologies, Integrated Design Systems, Computer Support
series AVOCAAD
last changed 2005/09/09 10:48

_id bf21
authors Völker, Harry and Schwenk, Mathias
year 1997
title Approaching a New Methodology: Integrated Architectural Design on the Basis of 3D Computer Models
source AVOCAAD First International Conference [AVOCAAD Conference Proceedings / ISBN 90-76101-01-09] Brussels (Belgium) 10-12 April 1997, pp. 369-380
summary The traditional way of architectural design leads to some shortcomings with respect to the quality of the design and the efficiency of the design process. Therefore possibilities for improvements have to be considered. In order to come to fundamental improvements the application of advanced computer technology in the field of architecture has to be coordinated with improvements in the area of design methodologies. In this paper we suggest a new methodology for architectural design. It is based on an integrated manner of designing. Despite some early design steps the whole design process is executed on the basis of a 3D model which is handled by means of computers. The central data objects in the design process are the different types of models. The models contain all relevant information generated in the design process. A comparison of our approach with the traditional way of designing illustrates the potential of the new methodology.
series AVOCAAD
last changed 2005/09/09 10:48

For more results click below:

this is page 0show page 1show page 2show page 3show page 4show page 5... show page 26HOMELOGIN (you are user _anon_556231 from group guest) CUMINCAD Papers Powered by SciX Open Publishing Services 1.002