Cumincad : CUMINCAD Papers : Search Results

CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	c35c
authors	Bender, Oliver
year	2003
title	The Geographical Alpine Information System “Galpis” in the Raumalp Project. Outlay and Output
source	CORP 2003, Vienna University of Technology, 25.2.-28.2.2003 [Proceedings on CD-Rom]
summary	RAUMALP, an interdisciplinary research project of the Austrian Academy of Sciences, shall examine problem areas of spatial development on community level in the Austrian alpine region. The aim is the investigation of scientific basics for political decision finding, especially for the regional-specific realisation of the Alpine Convention. All ascertained information shall be included in “GALPIS”, a comprehensive Alpine Space Information System. GALPIS based on ESRI ArcGIS and MS Access software works with data from different sources, like ISIS, the electronic data base of Statistic Austria, and original data and maps gathered and elaborated by the working groups of RAUMALP. This also includes ecological raster data. Dealing with administrative units, „real“ space and raster space, RAUMALP will integrate the different space levels mostly to administrative spatial units representing the existing 1145 communities of the RAUMALP study area. This will be realised by overlay of grids, types of land use and communitypolygons. Major task of GALPIS is a conversion of former communal data (p. e. 1451 communities in 1951) that should represent the recent administrative boundaries. By this way it is possible to make thematic and time-integrative analyses of community data. GIS modelling of the six case studies is more complex. The conceptual model has to integrate several vector and raster layers such as land plots (“Digitale Katastralmappe”), types of land use (“Land Use and Land Cover Austria” by M. Seger) and biodiversity. P. e., the working group settlement is using a logical data model based on the entity “building” with the attributes “construction”,“function”, etc.
series	other
email
last changed	2003/11/21 15:16

_id	ecaade2012_317
id	ecaade2012_317
authors	Boeykens, Stefan ; Himpe, Caroline ; Martens, Bob
year	2012
title	A Case Study of Using BIM in Historical Reconstruction: The Vinohrady synagogue in Prague
doi	https://doi.org/10.52842/conf.ecaade.2012.1.729
source	Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 1 / ISBN 978-9-4912070-2-0, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 729-737.
summary	This article refl ects on the digital reconstruction of the Vinohrady Synagogue in Prague, which was demolished in 1951. Based on an international collaboration through the Erasmus program, expertise derived from other Viennese synagogue reconstructions at TU Vienna was combined with a resource organization methodology developed at KU Leuven. The reconstruction process is carried out using BIM software, which poses some particular attention on the software methodology and model structure, but at the same time illustrates the added value of a BIM approach, when comparing with more traditional CAD modelling systematics. Of particular interest is the approach for modelling complex geometry, integrating with more traditional 2D documents and for visualizing reconstruction assumptions within the 3D model representation.
wos	WOS:000330322400077
keywords	Virtual reconstruction; destroyed synagogue; 3D-modeling; BIM; urban context
series	eCAADe
email
last changed	2022/06/07 07:52

_id	3e74
authors	Dasgupta, S.
year	1994
title	Creativity in Invention and Design
source	Cambridge University Press
summary	In this book, creativity in technology is discussed using a computational approach. Examining an important historical episode in computer technology as a case study, namely, the invention of microprogramming by Maurice Wilkes in 1951, the author presents a plausible explanation of the process by which Wilkes may have arrived at his invention. Based on this case study, the author has also proposed some very general hypotheses concerning creativity that appear to corroborate the findings of some psychologists and historians and then suggests that creative thinking is not significantly different in nature from everyday thinking and reasoning.
series	other
last changed	2003/04/23 15:14

_id	caadria2003_a2-4
id	caadria2003_a2-4
authors	Seichter, Hartmut
year	2003
title	Sketchand+ a Collaborative Augmented Reality Sketching Application
doi	https://doi.org/10.52842/conf.caadria.2003.209
source	CAADRIA 2003 [Proceedings of the 8th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 974-9584-13-9] Bangkok Thailand 18-20 October 2003, pp. 209-222
summary	The sketch is the embodiment of the architectural discussion. It incorporates rapidness and fuzziness and as this it is an object of interpretation. The interesting thing there is the question, if the usage of VR/AR already in the early phases of a design can have an impact for the quality of a design-process. Examples like VRAM (Regenbrecht et al., 2000) or TAP (Seichter et al., 2000) showed that there is a huge potential for research. The sketch as one of the parts of an early design is tightly coupled with cognitive aspects and communication. Pictured by a sketch is just a snapshot of what have to be discussed in the ensuing design procedure. The intention behind this work is an exploration about a medium which is not yet adapted to the digital world (Myers et al., 2000) and it can be easily be described with the words of Harald Innis: Mankind constantly being caught in his own traps: language and systems, developed and most difficult to break down. (Innis, 1951)
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	sigradi2010_338
id	sigradi2010_338
authors	Triana, Trujillo Jhon Alejandro; Fernández Prieto Diana; Camilo Ibarra Juan; Hernández José Tiberio
year	2010
title	Le Corbusier in Bogota: A 3D Immersive Model in an Urban Heritage Context
source	SIGraDi 2010_Proceedings of the 14th Congress of the Iberoamerican Society of Digital Graphics, pp. Bogotá, Colombia, November 17-19, 2010, pp. 338-342
summary	Le Corbusier in Bogota 1947 - 1951, was an exhibition that presented the contrast between the urban development proposal of Le Corbusier in the fifties and the current city. A system has been developed in order to provide the audience with an interactive 3D visualization in the exhibition. This paper describes the focus - context model used to show the differences between the current state of the city and the design by Le Corbusier, as well as some aspects about human - computer interaction to design the user experience based on audience assessments. The exhibition was held in Bogota from April to June, 2010.
keywords	immersive visualization, urban heritage Bogota, Le Corbusier in Bogota, human - computer interaction, usability test.
series	SIGRADI
email
last changed	2016/03/10 10:01

_id	sigradi2007_af91
id	sigradi2007_af91
authors	Baltazar, Ana Paula; Denise Morado Nascimento; Silke Kapp; Rodrigo Santos Marcandier Gonçalves; Sulamita Fonseca Lino; Amanda Alves Olalquiaga; Joana Vieira da Silva; Felipe José Gontijo; Mara Coelho; Pedro Arthur Novaes Magalhães
year	2007
title	The intellectual property in digital interfaces and environments: The noncopyright option in the case of IDA system [A propriedade intelectual em ambientes e interfaces digitais: A opção pelo noncopyright no caso do sistema IDA]
source	SIGraDi 2007 - [Proceedings of the 11th Iberoamerican Congress of Digital Graphics] México D.F. - México 23-25 October 2007, pp. 463-466
summary	This paper presents the discussions on intellectual property regarding digital interfaces, which were crucial for MOM/LOW (Living in Other Ways) to develop the system IDA (Digital interface for supporting housing production). It introduces IDA and its conceptual framework and differentiates intellectual property and authorship. Then, it examines the arguments for copyright, indicating them as myths or disguises of other intentions. This leads to examining some anti-copyright movements concluding that they follow the same logic of register. Thus, noncopyright (no license or register) seems to be the best means to protest against the current logic as also for conveying information.
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	ijac20076304
id	ijac20076304
authors	Baltazar, Ana Paula; Kapp, Silke; Nascimento, Denise Morado; Goncalves, Rodrigo Marcandier; Lino, Sulamita Fonseca; Coelho, Mara Lidia Rodrigues; Olalquiaga, Amanda Alves; Gontijo, Felipe Jose; Silva, Joana Vieira Da; Magalhaes, Pedro Arthur Novaes
year	2008
title	Noncopyright And The Digital Interface To Support The Autonomous Production Of Dwellings
source	International Journal of Architectural Computing vol. 6 - no. 3, pp. 279-297
summary	This paper presents the discussions on intellectual property crucial for the research group MOM to develop the system IDA (digital interface for supporting autonomous production of dwellings). It first introduces IDA, its conceptual framework, its database and its interactive interface. Then, it examines the arguments for copyright, identifying them as myths or disguises of other intentions, usually based on perpetuating privileges. From that it discusses the way IDA approaches interaction as a means to break the usual logic of perpetuating privileges in digital systems. This leads to examining some anti-copyright movements concluding that they follow the same logic of register of the copyright. Thus, noncopyright seems to be the best means to protest against the current logic and for conveying information towards autonomy of users in their processes of production of space. It also points to an alternative use of computers in architecture as proposed in IDA, which is not based on representation but on interaction.
series	journal
last changed	2008/10/14 14:00

_id	sigradi2008_103
id	sigradi2008_103
authors	Baltazar, Ana Paula; Maria Lucia Malard, Silke Kapp, Pedro Schultz
year	2008
title	From physical models to immersive collaborative environments: testing the best way for homeless people to visualise and negotiate spaces
source	SIGraDi 2008 - [Proceedings of the 12th Iberoamerican Congress of Digital Graphics] La Habana - Cuba 1-5 December 2008
summary	This paper describes an experiment to investigate the best way for lay people to use representation to visualise and negotiate space. It was motivated by our observations in workshops for digital inclusion in the context of a housing project for a homeless association. Computers were used to make it easier for the community to understand and change the spaces in real time. The first workshops proved that our approach was efficient as an exercise but not certainly effective concerning the understanding of spatial qualities. So we have designed an experiment to compare the usability of different media in participatory design processes. For that we have adapted the ‘Usability’ methodology, which is fully described in the paper. We started with three main questions. The first concerned the effectiveness of different media to represent spatial quality; the second concerned the best way for novices to approach space, whether by refurbishing a pre-existing space or by starting from the scratch; and the third concerned the effectiveness of negotiation by means of discourse and by means of or action. We also had two main hypothesis: one coming from research on digital environments and stereo visualisation, indicating that the more people feel immersed in the represented environment the more they are able to correlate it with physical space; and the other coming from our own observations in the participatory design workshops, in which the collective decision-making was manipulated by those people with more advanced communication skills who use their ability in an authoritative way regardless of the relevance of what they have to say. This paper describes the whole experiment, which was an exercise of spatial negotiation in 5 versions. In the first version we provided fixed digital views of a room in plan and axonometry; for another two versions we provided a physical model of the room in 1:10 scale, with some pieces of the existing furniture in different scales. This was done to check if people were just playing with a puzzle or actually grasping the correspondence between representation and the object or the space represented. One version proposes refurbishment and the other starts from the scratch. And the last two versions repeated the same task made with the physical model, but this time using a 3D interactive digital model. People were required not only to organise the furniture in the space but also to build a full scale cardboard structure and organise the real furniture reproducing their proposed model. Their comments on the spaces they had built confronted with what they had imaged when working with the model has enabled us to compare the different models, as also the different ways of negotiating spaces. This paper describes this experiment in detail concluding that 3D digital interactive models are far more effective than physical models and 2D drawings; when negotiation happens by means of action it provides more creative results than when the discoursive practice prevails; people are more creative when they start something from scratch, though they spend more time. The results of this experiment led us to formulate a new hypothesis leading to the development of an immersive collaborative environment using stereoscopy.
keywords	Visualisation, negotiation, immersive environment, digital interfaces, homeless people
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	sigradi2005_793
id	sigradi2005_793
authors	Kapp, Silke; Ana Paula Baltazar dos Santos
year	2005
title	Digital interface for autonomous production of dwellings
source	SIGraDi 2005 - [Proceedings of the 9th Iberoamerican Congress of Digital Graphics] Lima - Peru 21-24 november 2005, vol. 2, pp. 793-798
summary	This paper describes the theoretical and technological parameters for a digital interface, in development by MOM/LOW (Morar de Outras Maneiras/ Living in Other Ways), intended at the autonomous production of dwelling. It introduces the current formal and informal processes of production of dwelling arguing for the need of an instrument to enable both the distribution of alternative building components and user participation. It discusses the main questions on agency and machine intelligence as to show the need to take human-machine asymmetry into account in interface design. It also points out the main problems regarding the current technology for creating 3D digital interactive interfaces, and indicates one possible way to use the available technology and locate agency in the event. It concludes by showing that interface design can take advantage of human dialogical ability and of the machine’s capacity to offer material for that dialogue, without humanising the machine or preconditioning human responses. [Full paper in Portuguese]
series	SIGRADI
email
last changed	2016/03/10 09:53

_id	ascaad2007_058
id	ascaad2007_058
authors	Abdelhameed, W. and Y. Kobayashi
year	2007
title	Developing a New Approach of Computer Use ‘KISS Modeling’ for Design-Ideas Alternatives of Form Massing: A framework for three-Dimensional Shape Recognition in Initial Design Phases
source	Em‘body’ing Virtual Architecture: The Third International Conference of the Arab Society for Computer Aided Architectural Design (ASCAAD 2007), 28-30 November 2007, Alexandria, Egypt, pp. 745-756
summary	This research aims at developing a new approach called ‘KISS Modeling’. KISS is generally a rule of ‘Keep It Simple, Stupid’ that will be applied in modeling process investigated and presented by the research. The new approach is implemented in a computer program ‘KISS Modeling’ that generates three dimensional forms based on simplifying the concept of shape recognition in design. The research, however, does not employ totally concepts of shape recognition or shape understanding in Artificial Intelligence and psychology. The research, in summary, investigates and describes: 1) a new approach of computer use contributing to generating design-ideas alternatives of form massing in initial design phases, within a simple way that any designer can understand at single glance, 2) implementation of shape recognition for generative three dimensional forms, 3) function to generate different outputs from different recognition, and 4) case studies introduced through applications and functions of the three dimensional modeling system presented by the research. The research concluded that the introduced processes help the user improve the management of conceptual designing through facilitating a discourse of his/her modeling of design-ideas massing.
series	ASCAAD
email
last changed	2008/01/21 22:00

_id	8780
authors	Abdelhameed, W., Ozel, F., Addelatiff, M. and Daef, A.
year	2002
title	Assessment of the Impact of Digital-Manual Media Types on the Basic Design Capabilities of Architects: A Proposed Framework and Directive Measures
source	SIGraDi 2002 - [Proceedings of the 6th Iberoamerican Congress of Digital Graphics] Caracas (Venezuela) 27-29 november 2002, pp. 275-276
summary	The research attempts to defi ne and classify the design capabilities of architects into a basic framework. This defi nition will be useful in understanding and determining the types and nature of impact introduced by digital and manual media used during architecturaldesign process. The research consists of three parts. The First part reviews the main stages, tasks and activities of the architectural design process. The second part builds the proposed framework of design capabilities relating them to the specifi c tasks and activities conductedby the architect along the design process. The third part proposes some useful measures as to how to make use of the proposed framework in assessing the impact of media on the design capabilities of architects.
series	SIGRADI
last changed	2016/03/10 09:47

_id	caadria2020_281
id	caadria2020_281
authors	Abdelmohsen, Sherif and Hassab, Ahmed
year	2020
title	A Computational Approach for the Mass Customization of Materially Informed Double Curved A Computational Approach for the Mass Customization of Materially Informed Double Curved Façade Panels
doi	https://doi.org/10.52842/conf.caadria.2020.1.163
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 163-172
summary	Despite recent approaches to enable the mass customization of double curved faÃ§ade panels, there still exist challenges including waste reduction, accuracy, surface continuity, economic feasibility, and workflow disintegration. This paper proposes a computational approach for the design and fabrication of materially informed double curved faÃ§ade panels with complex geometry. This approach proposes an optimized workflow to generate customizable double curved panels with complex geometry and different material properties, and optimize fabrication workflow for waste reduction. This workflow is applied to four different fabrication techniques: (1) vacuum forming, (2) clay extrusion, (3) sectioning, and (4) tessellation. Four experiments are introduced to apply surface rationalization and optimization using Rhino and Grasshopper scripting. Upon simulating each of the four design-to-fabrication techniques through different iterations, the experiment results demonstrated how the proposed workflows produced optimized surfaces with higher levels of accuracy and reduced waste material, customized per type of material and surface complexity.
keywords	Digital fabrication; Double curved facades; Mass customization; Design-to-fabrication
series	CAADRIA
type	normal paper
email
last changed	2022/06/07 07:54

_id	ecaade2023_54
id	ecaade2023_54
authors	Abdulmajeed, Abdulwahab, Agkathidis, Asterios, Dounas, Theo and Lombardi, Davide
year	2023
title	Mass-customisation of dwellings in the Middle East:developing a design-to-fabrication framework to resolve the housing crisis in Saudi Arabia
doi	https://doi.org/10.52842/conf.ecaade.2023.2.157
source	Dokonal, W, Hirschberg, U and Wurzer, G (eds.), Digital Design Reconsidered - Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023) - Volume 2, Graz, 20-22 September 2023, pp. 157–164
summary	The Saudi government is taking the initiative to modernise the country and address critical challenges. One of its primary goals is to relieve the housing deficit. One of the challenges in supplying the houses is that potential inhabitants have denied and refused to accept them due to their design failing to meet their demands. Furthermore, the government suffers from providing high-quality housing in line with people’s needs because only a few enterprises can meet the client’s needs, but only at the price of lengthy planning and building times, in addition to increased construction expenses. This research aims to propose a mass customisation design-to-fabrication workflow, which targets environmental optimisation, reduction of construction time and reduced cost and incorporates client involvement. Our research method includes conducting a survey with Saudi Arabian architecture firms to collect data about contemporary clients’ needs, analysing and reviewing mass-customisation tools & techniques, developing a bespoke algorithm capable of mass-customising housing and evaluating the algorithm through design experiments. Our findings present the advantages and challenges of our tool as well as a shape grammar of mass customised floor plan solutions.
keywords	Mass Customisation, Parametric Design, Housing Design
series	eCAADe
email
last changed	2023/12/10 10:49

_id	caadria2020_443
id	caadria2020_443
authors	Abuzuraiq, Ahmed M. and Erhan, Halil
year	2020
title	The Many Faces of Similarity - A Visual Analytics Approach for Design Space Simplification
doi	https://doi.org/10.52842/conf.caadria.2020.1.485
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 485-494
summary	Generative design methods may involve a complex design space with an overwhelming number of alternatives with their form and design performance data. Existing research addresses this complexity by introducing various techniques for simplification through clustering and dimensionality reduction. In this study, we further analyze the relevant literature on design space simplification and exploration to identify their potentials and gaps. We find that the potentials include: alleviating the choice overload problem, opening up new venues for interrelating design forms and data, creating visual overviews of the design space and introducing ways of creating form-driven queries. Building on that, we present the first prototype of a design analytics dashboard that combines coordinated and interactive visualizations of design forms and performance data along with the result of simplifying the design space through hierarchical clustering.
keywords	Visual Analytics; Design Exploration; Dimensionality Reduction; Clustering; Similarity-based Exploration
series	CAADRIA
email
last changed	2022/06/07 07:54

_id	e336
authors	Achten, H., Roelen, W., Boekholt, J.-Th., Turksma, A. and Jessurun, J.
year	1999
title	Virtual Reality in the Design Studio: The Eindhoven Perspective
doi	https://doi.org/10.52842/conf.ecaade.1999.169
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 169-177
summary	Since 1991 Virtual Reality has been used in student projects in the Building Information Technology group. It started as an experimental tool to assess the impact of VR technology in design, using the environment of the associated Calibre Institute. The technology was further developed in Calibre to become an important presentation tool for assessing design variants and final design solutions. However, it was only sporadically used in student projects. A major shift occurred in 1997 with a number of student projects in which various computer technologies including VR were used in the whole of the design process. In 1998, the new Design Systems group started a design studio with the explicit aim to integrate VR in the whole design process. The teaching effort was combined with the research program that investigates VR as a design support environment. This has lead to increasing number of innovative student projects. The paper describes the context and history of VR in Eindhoven and presents the current set-UP of the studio. It discusses the impact of the technology on the design process and outlines pedagogical issues in the studio work.
keywords	Virtual Reality, Design Studio, Student Projects
series	eCAADe
email
last changed	2022/06/07 07:54

_id	ecaade2023_426
id	ecaade2023_426
authors	Adelzadeh, Amin, Karimian-Aliabadi, Hamed and Robeller, Christopher
year	2023
title	Wave-edge Modeling Method for Segmented Timber Plate Shell Structures: A computational tool for optimizing the bonding area of CLT joints
doi	https://doi.org/10.52842/conf.ecaade.2023.1.301
source	Dokonal, W, Hirschberg, U and Wurzer, G (eds.), Digital Design Reconsidered - Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023) - Volume 1, Graz, 20-22 September 2023, pp. 301–310
summary	The paper presents an algorithmic modeling tool for segmented timber shell structures made of glued wave-edge CLT plates. The goal is to provide a larger bonding area and thereby higher adhesive strength between plates, especially where a higher tension-resistant capacity is required. In addition to a number of contemporary research for exploring stereotomic modules, the inspiration is taken from the long history of the traditional glued finger joints in carpentry where they are used for providing higher interlocking capacity and adhesive strength. The structural performance of regular and glued finger joints is directly proportional to the bonding area between adjoining elements where they are interlocked and glued. Hence, expanding the shared faces would intrinsically magnify the structural performance of the glued finger joints. The paper presents the modeling method of a material-efficient, grain-informed, and structurally-optimized wedge edge joint system for the multi-shaped shell structures where the wave pattern is chosen for generating smoother fabrication toolpaths compared to any sharp-cornered pattern. The algorithm developed by the authors can efficiently maximize the glue bond by optimizing the wave-edge properties dynamically with respect to the geometric design, material system, and structural analysis within a feedback loop. The wave-edge properties directly affect the material waste and fabrication time and cost; therefore, the production parameters could be directly considered and controlled within the design process. The algorithm is able to produce the structural data model for the direct RFEM structural analysis, and fabrication data for automated production of multitude elements. The paper argues the application possibilities and limitations of the joint system for multi-shaped timber plate shells made of a multitude of geometrically-differentiated timber plates.
keywords	Algorithmic Design, Wave-edge Joint System, CLT, Shell Structure, Timber Prefabrication
series	eCAADe
email
last changed	2023/12/10 10:49

_id	ecaade2023_439
id	ecaade2023_439
authors	Adelzadeh, Amin, Karimian-Aliabadi, Hamed, Ahlund, Karl and Robeller, Christopher
year	2023
title	ReciprocalShell: A hybrid timber system for robotically-fabricated lightweight shell structures
doi	https://doi.org/10.52842/conf.ecaade.2023.1.651
source	Dokonal, W, Hirschberg, U and Wurzer, G (eds.), Digital Design Reconsidered - Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023) - Volume 1, Graz, 20-22 September 2023, pp. 651–660
summary	Reciprocal timber systems have been widely studied, however they have never been directly applied to the segmented timber shell structures as cross bracing of the polygonal topologies. For the first time, this paper presents an innovative hybrid timber system developed for design and construction of the robotically-fabricated lightweight timber shell structures. The paper integrates two configurations of wood beams: polygonal framing and reciprocal bracing. While, the polygonal topology of facets enables a constant distance offset for the thickness of the shell, the reciprocal configuration allows for cross bracing of polygonal frames where diagonals within the polygons cannot directly connect corners due to geometric constraints resulted by the free-form surface structure of shell shapes. Joining the cross-bracing elements in the center of the polygons with a reciprocal node reduces the complexity of the connection system at nodes while demonstrating the high load-bearing capacity of joints to withstand structural loads throughout the structure, compared to connecting 5, 6 or 7 beams in a single point. The article discusses the application and limitations of the timber system while presenting the design-to-assembly process of a case study of the small-scale shell demonstrator with the maximum span of 7.5 meters made of 144 wood elements for each polygonal and reciprocal configurations. The results show that the timber system has a great capacity for the rapid and precise assembly and disassembly of prefabricated timber structures. Generation of similar but different solid elements, allowed for the development of a custom CAD data interface for the automated production of numerous pieces, where simple joint details are applied for both alignment and attachment of beams, reducing the design complexity and facilitate the construction phase. As the result, the fabrication process was completely carried out with only a saw blade in a multi-axis robotic fabrication set up that enables the rapid, precise, and accurate cuts and grooves. Both timber configurations generate a uniform distribution of beam size, meaning that the production process created only a minimal amount of offcuts that allows for the use of simple and cost-efficient, short solid wood pieces.
keywords	Hybrid Timber System, Reciprocal Shell, Robotic Fabrication, Timber Shell, Lightweight Structures
series	eCAADe
email
last changed	2023/12/10 10:49

_id	ecaade2023_74
id	ecaade2023_74
authors	Agkathidis, Asterios, Jourdan, David, Song, Yang, Kanmani, Arathi and Thomas, Ansha
year	2023
title	Four-Dimensional Printing on Textiles Evaluating Digital File-to-Fabrication Workflows for Self-Forming Composite Shell Structures
doi	https://doi.org/10.52842/conf.ecaade.2023.1.491
source	Dokonal, W, Hirschberg, U and Wurzer, G (eds.), Digital Design Reconsidered - Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023) - Volume 1, Graz, 20-22 September 2023, pp. 491–498
summary	This design-led research investigates the development of self-forming wearable composite structures by printing embossed patterns out of flexible filament on pre-stretched textiles and releasing the stress after the printing has been completed, whereby time becomes the fourth dimension of the printing process. In particular, the study presents and compares three methods of ‘file-to-fabrication’ techniques for generating self-forming textile shell structures: The first is based on modified geometrical patterns in relation to curvature analysis, the second on printed patterns related to their stress line simulation and the third on an analysis of the anisotropic shrinking behaviour of stripe patterns. The findings emphasize the advantages and challenges of each method as well as present a comparative table chart highlighting the relationship between material properties, pattern geometry and the formal vocabulary of the composite shells.
keywords	4D printing, additive manufacturing, textile wearables, digital materiality
series	eCAADe
email
last changed	2023/12/10 10:49

_id	ecaade2023_112
id	ecaade2023_112
authors	Aguilera, Andrea V., Zhang, Yu and Shea, Kristina
year	2023
title	Mobile Augmented Reality for Aided Manual Assembly of Compressed Earth Block Dwellings
doi	https://doi.org/10.52842/conf.ecaade.2023.2.019
source	Dokonal, W, Hirschberg, U and Wurzer, G (eds.), Digital Design Reconsidered - Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023) - Volume 2, Graz, 20-22 September 2023, pp. 19–28
summary	This paper investigates how augmented reality (AR) can instruct and assist in assembling an earthen structure consisting of a limited set of geometrically different interlocking blocks. By adapting a visual-inertial object tracking software, to the assembly process of a mortarless, compressed earth block (CEB) dome, the construction site no longer needs physical templates and manuals. This enables the builders to have real-time tracking with visual feedback to actively adjust according to the optical guidance during the course of assembly. Two identical dome structures are built with the same set of earth blocks, one with AR and one without. The results show that using AR can significantly improve construction efficiency for complex, dry-stacked structures as it acts as assembly guidance and provides insight into the limits of the tracking tolerances. Further, this paper discusses the limitations and challenges and can provide an outlook for further research scaling up the production to construct a habitable dwelling. Starting with just a pile of dirt and a mobile phone, the demonstrator exhibits the compatibility of local, sustainable materials and digital, efficient processes.
keywords	Compressed Earth Blocks, Augmented Reality, Interlocking Blocks, Earth Building, Dry-Stack Assembly, Sustainable Construction
series	eCAADe
email
last changed	2023/12/10 10:49

_id	9c41
authors	Ahmad Rafi, M.E., Chee W.K., Mai, N., Ken, T.-K. N. and Sharifah Nur, A.S.A. (Eds.)
year	2002
title	CAADRIA 2002 [Conference Proceedings]
doi	https://doi.org/10.52842/conf.caadria.2002.
source	Proceedings of the 7th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 983-2473-42-X / Cyberjaya (Malaysia) 18–20 April 2002, 370 p.
summary	Evolution of trends in the realm of computer aided architectural design (CAAD) has seen the convergence of technologies – complementing traditional tools with emerging sciences like Information Technology (IT) and multimedia applications. This appliqué of technologies has not just expanded the scope and enhanced the realm of CAAD research and practice, but is also breaking new frontiers. This creative nexus will be realised at the 7th International Conference on Computer Aided Architectural Design Research In Asia (CAADRIA 2002) to be held at the Faculty of Creative Multimedia, Multimedia University, Malaysia, between 18th-20th April, 2002. CAADRIA 2002’s theme, "Redefining Content", seeks to recognise and infuse these emerging components in the field of architecture and design with a holistic approach towards online, digital and interactive systems. The 41 papers compiled were selected through a blind review process conducted by an international review panel. To reflect the multi-disciplinary nature of this year's conference, the chapters are arranged topically to facilitate the in-depth study of key components. The component sessions include: // Web Design, Database and Networks // CAD, Modelling and Tools // Collaborative Design, Creative Design and Case Reasoning // Simulation and Prototyping // Virtual Environment and Knowledge Management // Design Education, Teaching and Learning /// We believe that this specialised approach will provide a deeper and more illuminating feel of the various components and their critical convergence in the field of architecture and design.
series	CAADRIA
email
more	www.caadria.org
last changed	2022/06/07 07:54

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