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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Reformat results as: short short into frame detailed detailed into frame

_id	acadia04_202
id	acadia04_202
authors	Matsushima, Shiro
year	2004
title	Technology-mediated process: case study--MIT Stata Center
doi	https://doi.org/10.52842/conf.acadia.2004.202
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 202-219
summary	Gehry Partners’ (GP) sculptural approach to tectonic form, with its dramatic curves, complex geometry, and idiosyncratic application of materials, seems to have redefined the limits of architecture. The development of a strong formal vocabulary has been achieved by advanced use of information technologies, including CATIA, which allows translation among various tectonic representations, both in physical and digital forms. In addition, the nature of the office has much to do with other changes in the project delivery system, such as the relationships with associate architect, manufacturers, and subcontractors. This paper discusses how new technology changes the design and fabrication process, which has evolved from GP’s milestone project, Guggenheim Museum Bilbao, and how organizational efforts to involve the industry in the design process facilitate the project. Unlike at Bilbao, in the newly-completed Stata Center GP produced all the construction documents. This shift coincided with a gradual change in which GP was becoming involved in the technical aspects of their projects much earlier in the design process. Therefore they had to invest in new working relationships with the construction team, including fabricators, manufacturers, and contractors. The approach of Gehry and his team suggests that architectural practice can be liberated from its conventional arrangements. Although it is still evolving, Gehry has achieved a holistically integrated organizational system where the architect has far more direct interaction with all aspects of design and fabrication.
keywords	design technology, fabrication process, communication protocol
series	ACADIA
email
last changed	2022/06/07 07:58

_id	acadia04_040
id	acadia04_040
authors	Stacey, Michael
year	2004
title	Manufacturing Architecture
doi	https://doi.org/10.52842/conf.acadia.2004.040
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 40-45
summary	This paper will introduce the Digital Fabricators Exhibition, which I have had the pleasure of curating. The exhibition runs in parallel with the conference and was previously exhibited at the Royal Institute of British Architect’s Architecture Pavilion, in Birmingham and the Building Centre, London, during the spring and summer of 2004. The exhibition explores the relationship between architecture, manufacturing techniques and digital technology. The case studies demonstrate the use of digital design to inform the built environment from citywide scale to component assemblies of current and future architecture. The emphasis within the exhibition is on experiential and tactile architecture. The exhibition features an shortlist of projects from international leaders. Each project has been selected for the excellence of the architecture and to illustrate the relevance of wide range of digital fabrication techniques. The exhibition is site specific and the design and content has evolved with each location.
series	ACADIA
last changed	2022/06/07 07:56

_id	acadia04_282
id	acadia04_282
authors	Anders, Peter
year	2004
title	Arch-OS: An Implementation of Cybrid Strategies
doi	https://doi.org/10.52842/conf.acadia.2004.282
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 282-293
summary	A review of the literature on Intelligent Buildings suggests an ideal of a building as an autonomous system that controls its internal and external environments. The model, whose origin lies with early models of artificial intelligence, effectively treats the building as a slave to human needs, and appears to invest more intelligence in the building than in its occupants. This paper proposes that automated environments be understood as extensions of human sense and awareness. It describes an operating system, Arch-OS, that exemplifies this approach by increasing building occupants’ consciousness of their environment.
keywords	Cybrid, Mixed Reality, Responsive Environment, Planetary Collegium
series	ACADIA
email
last changed	2022/06/07 07:54

_id	acadia04_088
id	acadia04_088
authors	Bechthold, Martin
year	2004
title	Digital Design and Fabrication of Surface Structures
doi	https://doi.org/10.52842/conf.acadia.2004.088
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aidd Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 88-99
summary	This paper presents a study in digital design and manufacturing of shells, which are material-efficient systems that generate their load-bearing capacity through curvature. Their complex shapes are challenging to build, and the few current shell projects employ the same shape repetitively in order to reduce the cost of concrete formwork. Can digital design and manufacturing technology make these systems suitable for the needs of the 21st century? The research developed new digitally-driven fabrication processes for Wood-Foam Sandwich Shells and Ferrocement-Concrete Sandwich Shells. These are partially pre-fabricated in order to allow for the application of Computer-Numerically Controlled (CNC) technology. Sandwich systems offer advantages for the digitally-enabled construction of shells, while at the same time improving their structural and thermal performance. The research defines design and manufacturing processes that reduce the need for repetition in order to save costs. Wood-Foam Sandwich shells are made by laminating wood-strips over a CNC-milled foam mold that eventually becomes the structural sandwich core. For Ferrocement-Concrete sandwich shells, a two-stage process is presented: pre-fabricated ferrocement panels become the permanent formwork for a cast-in-place concrete shell. The design and engineering process is facilitated through the use of parametric solid modeling environments. Modeling macros and integrated Finite-Element Analysis tools streamline the design process. Accuracy in fabrication is maintained by using CNC techniques for the majority of the shaping processes. The digital design and manufacturing parameters for each process are verified through design and fabrication studies that include prototypes, mockups and physical scale models.
keywords	Shell, Pre-Fabrication, Prototype, Custom-Manufacturing, Simulation
series	ACADIA
email
last changed	2022/06/07 07:54

_id	acadia04_000
id	acadia04_000
authors	Beesley, P., Cheng, N.Y.-W. and Williamson, R.S. (eds.)
year	2004
title	FABRICATION: EXAMINING THE DIGITAL PRACTICE OF ARCHITECTURE
doi	https://doi.org/10.52842/conf.acadia.2004
source	Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 09696665-2-7] Cambridge (Ontario) 8-14 November, 2004.
summary	We are presenting design ideas, technical innovation, and fabrication expertise that address crucial issues. Authors investigate how to effectively design and practice architecture with automated prototyping and manufacturing. We want to understand where this might lead, and how it might change the nature of architecture itself. We are just beginning to discover the opportunities to be found in integrating automated fabrication within the practice of architecture. At the same time, the new century has brought very mixed perspectives on confident Modern progress. A cautious scrutiny of 'innovation' is needed. Fabrication is an old word with the straightforward meaning, to make. The roots of the word lead to the origins of architecture. Making has been considered a virtue by ancient writers and modern politicians alike. Fabrication (and homo faber, 'one who makes') have served as fundamental terms that constitutions and contract laws have been built upon. Shaping and working with materials is at the core of Western civilization. However at a point in human history where nature is steadily being replaced by human artifice, the consequences of making are far from simple. Whether for good or ill, our new fabricated environment is transforming the world.
series	ACADIA
type	normal paper
last changed	2022/06/07 07:49

_id	acadia04_186
id	acadia04_186
authors	Bell, Bradley
year	2004
title	Digital Tectonics: Structural Patterning of Surface Morphology
doi	https://doi.org/10.52842/conf.acadia.2004.186
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 186-201
summary	The computer in architectural design has shifted from its role as a merely representational device to that of a tool for instrumentalized simulation and fabrication. The desire to make buildings look like a rendering, or to produce photo-realistic images and walkthroughs has given way to an opening of the potentials of software to assist the designer with managing complex geometries, parametric organizational diagrams, structural analysis, and integrated building systems. Simulation has become the means by which virtual space becomes more than just a mirror of reality. It becomes the space within which different potential realities can be tested and evaluated before they are materially implemented. In architecture, information derived from material constraints to site conditions can be constantly fed into the computer models to provide an accurate update, which in turn introduces feedback into the overall design, and change can then be registered in the detail.
keywords	surface, patterns, structure, CAD/CAM, fabrication
series	ACADIA
email
last changed	2022/06/07 07:54

_id	acadia04_014
id	acadia04_014
authors	Burry, Mark
year	2004
title	THE SAGRADA FAMíLIA - WEST TRANSEPT ROSE WINDOW, A RAPID PROTOTYPE
doi	https://doi.org/10.52842/conf.acadia.2004.014
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 14-19
summary	The recently completed design and construction in a little over twelve months of the west transept rose window (Passion Façade) of Antoni Gaudí’s unfinished major work and Barcelona icon, the Sagrada Família church, is a notable example of ‘lean construction’. The processes involved include traditional stone masonry, actual employment of the traits discussed in Evan’s ‘The Projective Cast’, and semi-automated construction methods.
series	ACADIA
type	normal paper
last changed	2022/06/07 07:54

_id	acadia04_150
id	acadia04_150
authors	Clarke, Cory
year	2004
title	The Siren's Call
doi	https://doi.org/10.52842/conf.acadia.2004.150
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 150-161
summary	This paper presents an account of our research and development of processes providing seamless transition from design to fabrication. The narrative of our design, development, and prototyping experi¬ments spans seven years, including our current project, the Trusset software/structural system. Trusset is a combined building system and agent-based software design tool. The building system is based on a differential space-truss designed for fabrication entirely with computer numerically controlled (CNC) linear cutting devices, such as laser cut¬ters or three-axis mills. The software component is a set of agent-based design tools for developing surfaces and envelopes formally suitable to be built using the space-truss structure. Developed in parallel, the soft¬ware and building components combine within the Trusset system to provide a seamless pipeline from design to fabrication and assembly. The story of the development of software components and structural system, leading to the Trusset, act as a means of discussing the larger issues framing the research: the potential pitfalls and benefits of design and fabrication integration via the computer.
keywords	Fabrication, Space-truss, Structure
series	ACADIA
email
last changed	2022/06/07 07:56

_id	acadia04_244
id	acadia04_244
authors	Daubmann, Karl
year	2004
title	Teaching Digital Fabrication through Design
doi	https://doi.org/10.52842/conf.acadia.2004.244
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 244-255
summary	This paper explains the development of a digital fabrication graduate seminar that has evolved over four semesters. The class attempts to teach at various levels between ‘how to’ considerations of learning hardware and software, while exploring a deeper understanding of the technological implications on design and digital fabrication. At the heart of the course is the belief that the limitations of hardware, software, and materials can be viewed as opportunities during the making of any artifact. A number of teaching models have been employed over the four semesters that include short, abstract, directed mini-projects, which teach one skill to the opposite extreme that develops longer, open-ended research / design projects focused on a technology or technique. The products of the class are used to compare the benefits and deficiencies of various pedagogies. The work is also used to further define the desires of the course related to strategies for materials and making.
keywords	Digital fabrication, design research, craft
series	ACADIA
email
last changed	2022/06/07 07:55

_id	acadia04_020
id	acadia04_020
authors	Eastman, Charles
year	2004
title	New Methods of Architecture and Building
doi	https://doi.org/10.52842/conf.acadia.2004.020
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 20-27
summary	Three conditions exist that are likely to lead to significant restructuringof the construction industry. These are (1): the recognition that traditional contracting practices are inefficient and costly to the client, (2) the growing availability of information-rich 3D parametric modeling, and (3) the strong interest in integrating the issues of design and fabrication. Some aspects of these conditions are examined using two examples: parametric design and integration in steel structural design, and in fabrication-level modeling of precast concrete. The implications of these changes are explored.
series	ACADIA
last changed	2022/06/07 07:55

_id	acadia04_076
id	acadia04_076
authors	Hanna, Sean
year	2004
title	Modularity and Flexibility at the Small Scale: Evolving Continuous Material Variation with Stereolithography
doi	https://doi.org/10.52842/conf.acadia.2004.076
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 76-87
summary	In this paper, we introduce a technique by which the internal material properties of an object can be optimised at a microstructural level (5x10-5m) to counteract the forces that are applied to it. These can then be fabricated using the rapid prototyping method of stereolithography. The proposed technique is analogous to principles of mass customization and takes advantage of a flexible module to create complex structures in a manner that is computationally efficient and effective. The process is two-staged, in which a genetic algorithm evolves the topology of the microstructure and a second algorithm incorporating Finite Element Analysis then optimises the geometry. The examples shown are designed specifically for the fabrication technique, but the method and general principles are applicable to structural problems at any scale.
keywords	genetic algorithm, rapid prototyping, stereolithography, materials
series	ACADIA
email
last changed	2022/06/07 07:50

_id	acadia04_220
id	acadia04_220
authors	Harfmann, Anton
year	2004
title	Implementation of Component Based Design: A Pedagogical and Actual Case Study
doi	https://doi.org/10.52842/conf.acadia.2004.220
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 220-229
summary	This paper explores pedagogical and practical ramifications of implementing the component-based design paradigm through the actual construction process of a simple wood frame house for Habitat for Humanity. The house was digitally-modeled as part of an elective construction class, then physically constructed by students and faculty of the College of DAAP at the University of Cincinnati as part of a community service exercise. The digital model and a detailed database of individual components were mined in order to explore and exploit the complete and accurate electronic modeling of building, prior to actual construction.
keywords	Product Design, Component Design, Single Model, Virtual Construction
series	ACADIA
email
last changed	2022/06/07 07:49

_id	acadia04_066
id	acadia04_066
authors	Harrop, Patrick
year	2004
title	AGENTS OF RISK: EMBEDDING RESISTANCE IN ARCHITECTURAL PRODUCTION
doi	https://doi.org/10.52842/conf.acadia.2004.066
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 66-75
summary	In its most common usage, the term fabrication calls to mind industry and production. For architecture, fabrication and industry have been defining aspects of modern practice. While dependant on the dimensional and temporal standards of industry, modernists were preoccupied with the limitations imposed by the generic restrictions of mass production. When we make, instead of predetermining action, we discover a map of engagement. We play by challenging and resisting material. It in turn, reveals an intentional resistance that provokes yet another challenge, and on and on and on. In fact, craft excels in the less-than-ideal situations. When challenged by aberrant materials, geometry and craft are forced into innovative discovery: a knot of reaction wood within an otherwise homogeneous surface would force a novel adaptation of geometry generated by the imperfection. How, then, do we integrate the indeterminate cycle of craft and invention into a design process transformed by tools entirely reliant on prediction and the (virtual and real) homogeneity of materials? Is it reasonable to introduce an element of risk into the realm of digital fabrication equivalent to the auto-generative sabotage of Signwave’s Auto Illustrator? This paper reflects on the nature of material craft in the realm of digital fabrication. It will look both at the history and the contemporary opportunity of generative art and automata and their subversive (yet essential) relationship to the making of architecture.
series	ACADIA
type	normal paper
last changed	2022/06/07 07:49

_id	acadia04_270
id	acadia04_270
authors	Iwamoto, Lisa
year	2004
title	Embodied Fabrication: Computer Aided Spacemaking
doi	https://doi.org/10.52842/conf.acadia.2004.270
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 270-281
summary	This paper discusses work from two digital fabrication seminars taught at the University of California Berkeley: Fabricating Space and Thick Skinned. The full-scale installations explore relationships among the body, digital design, and making. They combine investigations of perceptual and spatial effects with digital modeling processes and full-scale CNC fabrication, focusing in particular on how new media practices forge alternative methods of representing and constructing corporeal and sensorial experience.
keywords	CAD/CAM, body, perception
series	ACADIA
email
last changed	2022/06/07 07:50

_id	acadia04_256
id	acadia04_256
authors	Jabi, Wassim
year	2004
title	Digital Tectonics: The intersection of the physical and the virtual
doi	https://doi.org/10.52842/conf.acadia.2004.256
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 256-269
summary	The advent of automated manufacturing processes and the possibility of directly translating virtual creations into physical artifacts brought forth the possibility of exploring a digital tectonic: the poetics of digitally conceived, structurally clarified and directly manufactured architecture. CAD/CAM equipment is being rapidly installed in schools of architecture without much thought given to its effect on the tradition of tectonics. To investigate these effects, this paper includes discussions of the tradition of architectural tectonics and of more recent works that illustrate the possibilities of digital tectonics. This discussion is followed by a brief survey of some of the research in the area of analog/digital pedagogy. Additionally, two experiments were conducted in an academic course setting that explored analog, digital, and hybrid approaches to the creation of architectural artifacts. The physical and virtual artifacts from the two experiments were analyzed and commonalities and differences were discerned. The research project reported in this paper further clarifies the notion of digital tectonics as the poetics of digitally constructed assemblages, and points to possible pitfalls of using CAD/CAM equipment that disregard the materiality of components and their interconnectedness.
keywords	Digital Tectonics, Fabrication, CAD/CAM, Virtual Reality, Collaboration
series	ACADIA
email
last changed	2022/06/07 07:52

_id	acadia04_230
id	acadia04_230
authors	Johnson, Scott
year	2004
title	Linking Analysis and Architectural Data: Why It's Harder than We Thought
doi	https://doi.org/10.52842/conf.acadia.2004.230
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 230-243
summary	This paper considers high-level, architecturally oriented representations, like Building Information Models (BIMs), and examines the difficulty of integrating analyses with such representations. Structural analysis is selected as a sample analysis domain, and is examined by integrating a structural analysis into the test implementation of a program that utilizes architecturally oriented elements. A fundamental problem is found to be that architecturally oriented elements are inappropriate for structural analysis. Methods for sequentially analyzing architectural elements are discussed, but are found to be inadequate. Accurate analysis requires analyzing the entire structure at once using a representation specific to structural analysis. A method for generating a structural representation based on the architectural representation is discussed, but the process is not simple. The process is complicated by the fact that architectural elements and structural elements do not correspond in a one-to-one or even a one-to-many manner. An accurate structural representation may even require semi-fictitious elements not corresponding to actual physical components. These findings are believed to be true for other analysis domains, as well.
keywords	Representations, Building Information Models, Proteus, structural analysis, finite elements
series	ACADIA
email
last changed	2022/06/07 07:52

_id	acadia04_034
id	acadia04_034
authors	Kelmans, Marsha
year	2004
title	Bahá’í Temple temple of ligh
doi	https://doi.org/10.52842/conf.acadia.2004.034
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 34-39
summary	The winning entry by Toronto’s Hariri Pontarini Architects (HPA) for the design of the Bahá’í Temple for South America in Santiago, Chile has not gone unnoticed by the architectural community and media. Sumptuous images of the “Temple of Light” described by Gary Michael Dault as “a soap bubble that has alighted, momentarily, on the ground” reveal a dramatic departure from the firm’s portfolio. HPA is responsible for McKinsey & Co. in Toronto and the Schulich School of Business at York University (with RYWA in joint venture). Their work is characterized by close attention to proportion and composition through the meeting of materials. Using conventional methods of construction, the firm is capable of producing a high level of detail refinement.
series	ACADIA
last changed	2022/06/07 07:52

_id	acadia04_110
id	acadia04_110
authors	Kilian, Axel
year	2004
title	Linking Digital Hanging Chain Models to Fabrication
doi	https://doi.org/10.52842/conf.acadia.2004.110
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 110-125
summary	The paper traces the development of a digital hanging chain modeler in Java inspired by Antonio Gaudi’s physical hanging chain models. More importantly, it demonstrates how fabrication schemas for physical mockups of the digitally simulated hanging chain can be linked to the real time form finding simulation. Fabrication output is an integral part of the iterative process and not a post-design process. The current implementation is still limited and currently requires programming for reconfiguration. The paper proposes the link of form-finding and fabrication finding and lays out several examples and first steps of how to do so.
keywords	form finding, simulation, fabrication
series	ACADIA
email
last changed	2022/06/07 07:52

_id	acadia04_rp220
id	acadia04_rp220
authors	Kolarevic, Branko
year	2004
title	Designing and Manufacturing in the Digital Age
doi	https://doi.org/10.52842/conf.acadia.2004.x.w8q
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004.
summary	The paper discusses the newfound capacity to digitally design and manufacture materials, their properties and effects. It surveys recent experimental efforts in material production and presents student projects aimed at designing and manufacturing surface effects using increasingly accessible digital fabrication technologies.
series	ACADIA
last changed	2022/06/07 07:49

_id	acadia04_100
id	acadia04_100
authors	Liapi, Katherine
year	2004
title	A computer Based System for the Design and Fabrication of Tensegrity Structures
doi	https://doi.org/10.52842/conf.acadia.2004.100
source	Fabrication: Examining the Digital Practice of Architecture [Proceedings of the 23rd Annual Conference of the Association for Computer Aided Design in Architecture and the 2004 Conference of the AIA Technology in Architectural Practice Knowledge Community / ISBN 0-9696665-2-7] Cambridge (Ontario) 8-14 November, 2004, 100-109
summary	Tensegrity structures are composed of tension compression components, where the compression components (bars) are discontinuously enclosed within continuous tensile components (cables). From an engineering point of view, a tensegrity structure is characterized by geometric non-linearity and large displacements under loading. Therefore, its prestressed shape and deformation under loading are the result of the combined effect of the geometric parameters that determine the initial configuration of the structure, the level of prestress applied to cables, and the material properties of the component members of the structure. A method for generating the initial geometric configuration of tensegrity structures composed of tensegrity units and a parametric expression of this geometry have already been developed. A novel technology that makes possible the construction of tensegrity structures from the on-site assembly of deployable tensegrity units, which are furnished with a simple mechanism that permits bar-elongation, and, as a result, an increase of the prestress applied to the cables of each unit, is also under development. Also under development is a static analysis method that takes into account the above method for prestressing cables. This paper discusses the features of a system that supports the combined geometric and structural design of tensegrity structures, and integrates a graphical interface to display: a) models of initial geometry, b) geometry of the structure after prestress and loading are applied, and c) magnitude of forces applied to the structure’s component members (bars and cables). The system also provides numerical data to be used in component fabrication, and is therefore expected to become a very valuable tool for the design and construction of tensegrity structures.
series	ACADIA
last changed	2022/06/07 07:59

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