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 cf2019_049
id cf2019_049
authors Lu, Heng; Chen Liu, Daekwon Park, Guohua Ji and Ziyu Tong
year 2019
title Pneumatic Origami Joints A 3D Printed Flexible Joint
source Ji-Hyun Lee (Eds.) "Hello, Culture!"  [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, p. 432
summary This paper describes the design and fabrication process of an adaptive joint using foldable 3D printed structures encased in heat-sealed synthetic polymer films (e.g. airtight plastic casing). The proposed joint can be pneumatically actuated using the airtight casing, and the shape of the deformation can be controlled using origami-inspired 3D printed structures. A zigzag-gap microstructure is designed for the connection portion of the origami structure inside the joint, in order that the rigid 3D printed material (PLA) acquires properties of mollusk material, such as flexibility and softness. Finally, the paper presents some applications adopting pneumatic origami joints which can interact with people or adapting indoor environment, and compares the advantages of this pneumatic technology with mechanical technology.
keywords 3D printing · Adaptive joint · Pneumatic architecture · Origami structure
series CAAD Futures
last changed 2019/07/29 12:18

_id 69b3
authors Markelin, Antero
year 1993
title Efficiency of Model Endoscopic Simulation - An Experimental Research at the University of Stuttgart
source Endoscopy as a Tool in Architecture [Proceedings of the 1st European Architectural Endoscopy Association Conference / ISBN 951-722-069-3] Tampere (Finland), 25-28 August 1993, pp. 31-34
summary At the Institute of Urban Planning at the University of Stuttgart early experiments were made with the help of endoscopes in the late 1970’s. The intention was to find new instruments to visualize urban design projects. The first experiment included the use of a 16 mm film of a 1:170 scale model of the market place at Karlsruhe, including design alternatives (with trees, without trees etc). The film was shown to the Karlsruhe authorities, who had to make the decision about the alternatives. It was said, that the film gave a great help for the decision-making and a design proposition had never before been presented in such understandable way. In 1975-77, with the support of the Deutsche Forschungsgemeinschaft (German Research Foundation) an investigation was carried out into existing endoscopic simulation facilities, such as those in Wageningen, Lund and Berkeley. The resulting publication was mainly concerned with technical installations and their applications. However a key question remained: ”Can reality be simulated with endoscopy?” In 1979-82, in order to answer that question, at the Institute was carried out the most extensive research of the time, into the validity of endoscopic simulation. Of special importance was the inclusion of social scientists and psychologists from the University of Heidelberg and Mannheim. A report was produced in 1983. The research was concerned with the theory of model simulation, its ways of use and its users, and then the establishment of requirements for effective model simulation. For the main research work with models or simulation films, psychological tests were developed which enabled a tested person to give accurate responses or evidence without getting involved in alien technical terminology. It was also thought that the use of semantic differentials would make the work imprecise or arbitrary.

keywords Architectural Endoscopy
series EAEA
last changed 2005/09/09 08:43

_id 6c66
authors Perlin, Ken
year 1985
title An Image Synthesizer
source SIGGRAPH '85 Conference Proceedings. July, 1985. vol. 19 ; no. 3: pp. 287- 296 : ill. includes bibliography
summary The authors introduce the concept of a Pixel Stream Editor. This forms the basis for an interactive synthesizer for designing highly realistic Computer Generated Imagery. The designer works in an interactive Very High Level programming environment which provides a very fast concept/implement/view iteration cycle. Naturalistic visual complexity is built up by composition of non-linear functions, as opposed to the more conventional texture mapping or growth model algorithms. Powerful primitives are included for creating controlled stochastic effects. The concept of 'solid texture' to the field of CGI is introduced. The authors have used this system to create very convincing representations of clouds, fire, water, stars, marble, wood, rock, soap films and crystals. The algorithms created with this paradigm are generally extremely fast, highly realistic, and asynchronously parallelizable at the pixel level
keywords computer graphics, programming, algorithms, synthesis, realism
series CADline
last changed 1999/02/12 14:09

_id 80a1
authors Sasada, Tsuyoshi Tee
year 1986
title Computer-Generated Animation for Architecture and Urban Design
source Teaching and Research Experience with CAAD [4th eCAADe Conference Proceedings] Rome (Italy) 11-13 September 1986, pp. 285-294
summary Computer-generated animations are going to be a powerful design medium. During the last two years, we have created more than 10 animated films by using the computer. The purpose of animation varies as the case, however it is always related to the architecture and urban design. Using these computer-generated animation films, we edited a video tape of 54 minutes. Along with the video tape, this report shows our works in four parts with pictures taken from the films.
series eCAADe
last changed 1998/08/18 08:20

_id 8637
authors Segre, R., Novick, A., Caride, H. and Macchin, C.
year 2000
title Espacios y Tiempos de Buenos Aires: Volumen I - (Spaces and Time of Buenos Aires: Volume I)
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. 147-148
summary This multimedia refer about the Buenos Aires general historical evolution. Navigation define four basic subjects. a) A narrative description that permits to approximate to its main historical periods, defined by economical and social events. b) The urban grid. Here the user access to the city plan where is possible to have information about the growth of Buenos Aires along the time; the circulation system; density of population; green areas and public transportation. With a particular icon is possible to know about a group of main sites, that have a symbolic meaning in the city. The urban context and the surroundings buildings are analyzed in a detailed way. c) Documents, historical plans, director plans and bibliography. d) postcards that with one hundred pictures of the city is establish a relationship with literature, music, historical films and poetry.
series SIGRADI
last changed 2016/03/10 08:59

_id 9dff
authors Van Berkel, Ben
year 1999
title Mediation
source AVOCAAD Second International Conference [AVOCAAD Conference Proceedings / ISBN 90-76101-02-07] Brussels (Belgium) 8-10 April 1999, pp. 41-46
summary New media have been successfully taken up in music, films, car design, fashion, magazine and book publishing, the sex industry, and education. Only architecture and urban design are slow to incorporate new media technologies. To some extent, architecture and mediation are locked into a conflicting, for the most part mutually excluding, relationship. At first sight this looks logical; architecture is a place, a real, once-only place, which you experience by visiting it. You do not experience architecture through dissolving a building and electronically replicating it a billion times in the air. But all technology is social before it becomes a technique; the technology of mediation needs to be more deeply incorporated within the practice of architecture, and to be more widely understood and supported before it can be fully exploited as a tool. This process is just beginning; as yet there is no fully evolved ideological scope which incorporates the new mediated position as an essential part of architecture. New mediation technologies have taken over some of the functions of buildings, such as security, surveillance, and communication with the outside, but these are not the most relevant aspects for the practice of architecture itself.
series AVOCAAD
last changed 2005/09/09 08:48

_id cf2015_411
id cf2015_411
authors Wang, Shih-Yuan; Sheng, Yu-Ting, Barchiesi, Alex and Huang, Jeffrey
year 2015
title Transient Materialization: Ephemeral, Material-Oriented Digital Fabrication
source The next city - New technologies and the future of the built environment [16th International Conference CAAD Futures 2015. Sao Paulo, July 8-10, 2015. Electronic Proceedings/ ISBN 978-85-85783-53-2] Sao Paulo, Brazil, July 8-10, 2015, pp. 411-420.
summary This paper introduces the notion of transient materialization through an exploration of the relationship between digital and material-based digital fabrication. The research was inspired by direct observations of nature’s beauty in the form of thin films. The building block of the experiment is an n-hedron structure composed mainly of soap foam, which is blown into a foam structure. The paper questions this structure’s materiality, examines its physical performance and ephemeral characteristics, and expands on its meaning through an experiment in digital fabrication. Specifically, this experiment demonstrates various configurations of dynamic and programmable foam structures on a large scale of fabrication. The fabrication interacts with the algorithm, which involves a mixture of air and helium (controlled by pneumatic valves), as well as additive chemical substances and thickening agents, all of which exist in a certain space and time.
keywords digital fabrication; Ephemeral; foam structure; dynamic and transformable; algorithm; chemical substances
series CAAD Futures
last changed 2015/06/29 05:55

_id 8690
authors Will, B.F., Bradford, J.W. and Ng, F.F.
year 1993
title Architectural Education Objectives and the Use of Multimedia
source [eCAADe Conference Proceedings] Eindhoven (The Netherlands) 11-13 November 1993
summary The almost universal curriculum format for schools of architecture involves conventional lecturing techniques in the areas of history. structures, construction. building materials, urban planning, contextual studies and of late CAAD. Conventional academic wisdom dictates that the information and techniques gained from these lectures be applied through the design studio where this acquired data is synthesized with design concepts to produce an end product. Conventional lecture styles have usually imparted information through the spoken word emphasized and accompanied by written support through the use of hand-outs, black/white boards, overhead projection and the ubiquitous slides! More adventurous exponents have endeavored to incorporate videos, films and projection of computer generated screens to supplement the basic information transfer. The transmission retention/comprehension rates of concepts, ideas and basic data have depended greatly on the charisma of the individual lecturer, his command of the subject and the students' enthusiasm to partake of the process of information transference. The inherent problems of lectures being a one way action with little, if any, participatory involvement of the students have caused concerned lecturers to resort to seminars, tutorial, tests, exercises and other forced participation modes to involve students in their own education.
series eCAADe
last changed 1998/08/24 08:00

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