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 ea46
authors Colajanni B., Concialdi, S. and Pellitteri, G.
year 2001
title Construction or Deconstruction: Which is the Best Way to Learn Architecture?
source Architectural Information Management [19th eCAADe Conference Proceedings / ISBN 0-9523687-8-1] Helsinki (Finland) 29-31 August 2001, pp. 299-304
summary The actual shift of the teaching methods from teacher-centred expository methods, to learner-centred exploratory ones. The educational goals are no more the construction of a solid theory knowledge from which the behaviour is driven. It is the acquisition of capabilities and skills directly related to the professional activity. The consequence is that the teacher has the task of endowing the student not only with a large amount of documentation but also with at least suggestions of the way to use it. One of these suggestions is the deconstruction (in a literal and not philosophical sense) as a way of investigating the structure of buildings. In a first phase in order to acquire, through generalisation a systematic knowledge of the way the parts of a building (their subsystems) contribute to the global architectural organism. In a second phase in order to explore buildings of special interest aiming at mastering their peculiar solutions. An example of this method is presented, limited to the spatial analysis only both for brevity sake and for particular difficulties presented.
keywords Deconstruction, Learn Architecture, Learning By Experience
series eCAADe
last changed 2001/08/06 20:38

_id 93cc
authors Colajanni, B., Pellitteri, G. and Concialdi, S.
year 2000
title Retrieval Tools in Building Case Bases
source Promise and Reality: State of the Art versus State of Practice in Computing for the Design and Planning Process [18th eCAADe Conference Proceedings / ISBN 0-9523687-6-5] Weimar (Germany) 22-24 June 2000, pp. 113-116
summary Most of the existing aids to building design rely on data base of cases representing solutions to problems that are thought to happen again at least in a similar way. Crucial for the success of the aid is the retrieval engine. In tour its efficiency depends on the way the cases are encoded. Whichever is this way cases will be represented at different levels of abstraction. The highest level will probably consist in an accessibility and adjacency graph. Another level could be a wire plan of the building. An easily workable representation of a graph is a square matrix. For any given building typology it is possible to write a list of encoded space types. This allows forming matrices that can be compared and their diversity measured. Here we present an algorithm that makes this job. Such an algorithm can be one of the case retrieval tools in the data base. It is likely that the designer has already some idea of the shape he wants for the building he is designing. A comparison between some geometric characteristics of the wire representation of the retrieved case and the corresponding ones of the imagined solution of the design problem can constitute a second test. The matching can be done
keywords Knowledge, Case Bases, Building, Tools
series eCAADe
last changed 2002/11/23 05:59

_id 154d
authors Colajanni, B., Pellitteri, G. and Concialdi, S.
year 2002
title Intelligent Structures for Collaborating with the Architect
source Connecting the Real and the Virtual - design e-ducation [20th eCAADe Conference Proceedings / ISBN 0-9541183-0-8] Warsaw (Poland) 18-20 September 2002, pp. 360-364
summary The number of different designers with different competencies collaborating in a building project is today conspicuous. An undesired consequence is the possible rise of conflicts between decisions taken independently by more than one specialist on the same building object. The early detection of such conflicts is then one of the most important features in collaborative design. Moreover, of great interest would be the possibility not only of automatic detection but also of solution proposal of at least the most manageable of those conflicts. In this perspective smart models of building components could be very useful. This is possible giving the building elements, represented as objects, the specific intelligence. A simple example of this possibility is given in this paper. In a precedent work we proposed a way of managing elementary spatial conflicts between building components tending to occupy the same spaces. The automatic detection derived from the previous declaration of two levels of constraints (soft constraint and hard constraints) in such way that a violation of them could be immediately signaled to the actor wanting to take the decision triggering the conflict. In this paper the topic is the consequences of the rise of a spatial conflict (occupation of the same space) between a column of a spatial frame of columns and beams, and another building object of any sort subject to a soft or hard constraint. The procedure identifies the minimum displacement of the two objects, propagates the column displacement to the other structural elements connected to it and checks the feasibility of the new configuration of the structural schema both with regard to the possible rise of new conflicts and with the compliance to previous structural criteria.
series eCAADe
last changed 2002/09/09 17:19

_id d0aa
authors Colajanni, Benedetto, Concialdi, Salvatore and Pellitteri, Giuseppe
year 1999
title CoCoMa: a Collaborative Constraint Management System for the Collaborative Design
source Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 364-369
summary Collaborative Design is a topic of particular current interest. Existing software allows a multiplicity of designers to work on the same project. What the software really allows is accessing to a part of the information of the project and changing it. Sometimes there is a hierarchical distribution of the power of change: some participants can be permitted to operate only on some limited layers of the object representation. In this case the changes they propose are to be accepted by a general manager of the design process. What is lacking in this kind of software is the explicit management on the reciprocal constraints posed by different participants. In this paper, an elementary Collaborative Design System is presented whose main concern is just the management of constraints. Each participant designs the part of the project of his/her concern instantiating objects comprised of geometric description, alphanumeric variables and constraints on both. Constraints can be of two types: absolute or defined by a range of allowed values of the constrained variable. A participant intervening later can accept the constraint, choosing a value in the permitted range, or decide to violate it. In this case the proposed violation is signalled to whom posed it.
keywords Collaborative Design, Design Process, Management System, Participant Designs, Constraints Violation
series eCAADe
last changed 1999/10/10 12:52

_id 2005_067
id 2005_067
authors Pellitteri, Giuseppe, Colajanni Benedetto and Concialdi, Salvatore
year 2005
title Distance Collaboration. A Comparative Analysis of Tools and Procedures
source Digital Design: The Quest for New Paradigms [23nd eCAADe Conference Proceedings / ISBN 0-9541183-3-2] Lisbon (Portugal) 21-24 September 2005, pp. 67-73
summary Besides design theory and practice, curricula of architectural students should include some experiences referring to professional situations. Among these experiences, Collaborative Design is nowadays somewhat frequent. It is normally practised by large professional studios, using expansive software which is beyond what they can afford on average. Much academic research on the topic has also been carried out often resulting in the proposition of new and too complex description models of the building object. We think that students should instead get acquainted with such a design process: an experience has been planned and carried out in our Department for the purpose of practising the possible paradigm in a more ordinary context. Its purpose was threefold. First, making the students grasp the method’s potentialities and learn the right approach. Second, testing the practical suitability of the most widely used software. Third, comparing their relative efficiency. The software we used was: Architectural Desktop, AutoCad Revit, ArchiCad for Teamwork. We focused special attention on how representing and managing restraints, since they are the main source of conflicts. This was the hardest topic to manage. The results were partly positive inasmuch as the experience showed that it could be possible to adopt the Collaborative Design paradigm which is also used in the AEC field. The drawbacks emerged from the analysis of non-dedicated software are: a relative slow process for the lack of certain specific tools; a subsequent necessity of integrating them with different communication software; the difficulty of managing hard and soft restraints. However, in the final analysis, the experience can be considered as positive.
keywords Collaborative Design, Architectural teaching
series eCAADe
last changed 2012/11/23 18:17

_id ecaade2008_172
id ecaade2008_172
authors Pellitteri, Giuseppe; Concialdi, Salvatore; Lattuca, Raimondo; Conti, Giuseppe; De Amicis, Raffaele
year 2008
title Digital Architectures Generated Using Forces in Urban Environment
source Architecture in Computro [26th eCAADe Conference Proceedings / ISBN 978-0-9541183-7-2] Antwerpen (Belgium) 17-20 September 2008, pp. 951-958
summary A paper, a description of a software application is given, which allows to generate tridimensional models of buildings, directly inside a geo referential context, following a parametric approach, in which the volume of the building is put in direct relation with forces/law bonds emerging from the urban context. The user is, therefore, able to interactively operate within a project process, in which, by changing the parameters values and by verifying in real time, the results of the changes, he/she is able to evaluate all possible infinite scenarios. The system, thought for Trento’s (Italy) urban context, may also be applied on other cities.
keywords Generative design, performative architecture
series eCAADe
last changed 2008/09/09 13:55

_id cf2009_875
id cf2009_875
authors Pellitteri, Giuseppe; Lattuca, Raimondo; Concialdi, Salvatore; Conti, Giuseppe and De Amicis, Raffaele
year 2009
title Architectural shape generating through environmental forces
source T. Tidafi and T. Dorta (eds) Joining Languages, Cultures and Visions: CAADFutures 2009, PUM, 2009, pp. 875- 886
summary In this paper we present a new parametric approach based on environmental constraints, in order to generate digital models of architectural shape, directly within a three dimensional geo-referenced environment. Those constraints may be regarded as force fields with a specific spatial dimension. The system allows user, through implementation of specific generative procedures, to manage interactive architectural design processes. The designer is able to explore all possible infinite scenarios and the various possible design alternatives, by changing the parameters values and verifying in real time the results of the changes. Two experiments are presented.
keywords Architectural generative design, city modeling, procedural modeling, visual analytics
series CAAD Futures
last changed 2009/06/08 18:53

_id ascaad2009_giuseppe_pellitteri
id ascaad2009_giuseppe_pellitteri
authors Pellitteri, Giuseppe; Raimondo Lattuca, Salvatore Concialdi, Giuseppe Conti and Raffaele De Amicis
year 2009
title Architectural Shapes Generated in 3DGeobrowser through Environmental Constraints
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 281-295
summary The final configuration of the architectural shape is deeply conditioned by all constraints that the environmental context imposes. These, duly codified, can therefore generative elements that can be managed by the designer. Following a parametric approach, the architectural envelope is directly related to the constraints emerging from the urban context. In this paper we present the development and implementation of an application, which allows to generating three-dimensional models of buildings, directly within a three-dimensional geo-referenced environment. The application offers the user many innovative suggestions, associating the modeling ability, typical of the CAD systems, to the opportunity offered by the geo-referenced systems, to evaluate in real time the impact of the buildings directly on its environment, within which it can be generated and manipulated. The designer is able to explore several alternative solutions, according to formal requirements and style preferences. Three experiments are presented for different urban scenarios.
series ASCAAD
last changed 2009/06/30 06:12

_id caadria2008_37_session4a_300
id caadria2008_37_session4a_300
authors Pellitteri, Giuseppe; Salvatore Concialdi, Raimondo Lattuca
year 2008
title Performative Architecture: New Semantic for New Shapes?
source CAADRIA 2008 [Proceedings of the 13th International Conference on Computer Aided Architectural Design Research in Asia] Chiang Mai (Thailand) 9-12 April 2008, pp. 300-208
summary Two innovations have more deeply changed the building process: the operational continuity of the design and construction phases and the software allowing not only the representation but also the autonomous creation of complex shapes never before thought, just because they could not be represented. This last innovation introduce to a “Performative Architecture” that addresses to emerge a new kind of architecture. Building performances (structural, environmental, energetic) are guiding design principles, adopting new building performance-based priorities for the design of cities, buildings and landscape. This emerging architecture places broadly defined performance above form making; It utilises digital technologies of quantitative and qualitative performance-based simulation to offer a comprehensive approach to the design of the build environment. Some aspects of “Performative Architecture” theories are critically examined and we report two experiments made using these procedures. The results try to give a contribution to detect some misunderstandings in relation to recent building projects shown.
keywords Performative Architecture, simulation, performance
series CAADRIA
email {pellitt, concialdi, lattuca}
last changed 2012/05/30 19:29

_id 2004_404
id 2004_404
authors Pellitteri, P., Colajanni, B. and Concialdi, S.
year 2004
title The Architectural Envelope: an Assistant for Components Design Choices
source Architecture in the Network Society [22nd eCAADe Conference Proceedings / ISBN 0-9541183-2-4] Copenhagen (Denmark) 15-18 September 2004, pp. 404-409
summary The global envelope to day focuses on it a lot of attention from architects, progressively replacing the classical concepts of wall and roof. It is a complex component, entrusted with the delicate goal of mediating between exterior and interior space, between a space boundary and a bearing structure. Its main parts are the glass wall, a substructure resisting the loads and transmitting them to the bearing structure, and the connection of the two. The latter, in turn, comprises a fitting and a bracket. The set of relationships between these components and sub-components needs the control of many conditions of consistency. The tool presented is an Assistant performing just this task helping the designer to select in each project situation the best couple of two main envelope components: fitting and bracket. The Assistant structure lends itself to implement an intelligent commercial product catalog. It seems also fit to manage component selections strongly conditioned by consistency constrains between collaborating elements.
keywords Design Assistant, Envelope, Product Selection
series eCAADe
last changed 2004/09/18 06:45

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