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	ecaade2016_096
id	ecaade2016_096
authors	Chen, Nai Chun, Nagakura, Takehiko and Larson, Kent
year	2016
title	Social Media as Complementary Tool to Evaluate Cities - Data Mining Innovation Districts in Boston
source	Herneoja, Aulikki; Toni Österlund and Piia Markkanen (eds.), Complexity & Simplicity - Proceedings of the 34th eCAADe Conference - Volume 2, University of Oulu, Oulu, Finland, 22-26 August 2016, pp. 447-456
doi	https://doi.org/10.52842/conf.ecaade.2016.2.447
wos	WOS:000402064400044
summary	High tech industries are playing an important role in the economic development in the United States. While some cities are shrinking, the "innovation" cities are growing. The attributes that cause some cities to successfully become innovative is a very relevant 21st century topic and will be investigated here.Previous work conduct city analysis through conventional government GIS or census data but such analyses do not answer questions about the perception of citizens inhabiting the city, and the activities they conduct. The novelty of this current project is to make use of large-scale bottom-up data available from social media. Several social media sources-CrunchBase, Twitter, Yelp, and Flickr- were data mined pertaining to four innovation districts in Boston. We found that the success of innovation districts in Boston were correlated with several important variables: the most successful districts tended to occur near research institutions, in very "mixed use" areas, and were unexpectedly not correlated with land and labor prices, unlike technology districts in the past. Based on our study, we make recommendations for the urban design that cities should put in place to increase the potential for "innovation".
keywords	Smart Cities; Social Media; Innovation District; Spatial Analysis; Data Mining; Natural Language Processing
series	eCAADe
email
last changed	2022/06/07 07:55

_id	ascaad2016_007
id	ascaad2016_007
authors	Elsayed, Mohamed; Osama Tolba and Ahmed Elantably
year	2016
title	Architectural Space Planning Using Parametric Modeling - Egyptian National Housing Project
source	Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 45-54
summary	The Egyptian government resorts to prototype housing for low-income citizens to meet the growing demand of the housing market. The problem with the prototype is that it does not meet specific needs. Consequently, users make modifications to the prototype without professional intervention because of the high cost. This paper discusses an automatic multi-stories space planning tool that helps low-income citizens to modify their prototype housing provided by the government. Social, spatial and functional design aspects were set in the original design prototype by an architect. The proposed tool simulates spaces spatial locations in the original design by simulating the analogy of mechanical springs through an interactive simulation of a parametric model. The authors developed the used algorithm in the generative design tool Grasshopper and the live physics engine Kangaroo, both working within the Rhino 3D environment. The algorithm has two versions, one-floor level version and two floors version targeting the wealthier users. Results indicate that this tool integrates with the exploratory nature of the design process even for non-professional users. The authors designed a tool that will help the users to study the effect of the desired modifications against the originally provided prototype, it also makes it easier for users to express their requirements to a professional designer, conserving time and financial cost.
series	ASCAAD
email
last changed	2017/05/25 13:13

_id	ascaad2016_052
id	ascaad2016_052
authors	Al-Badry, Sally; Cesar Cheng, Sebastian Lundberg and Georgios Berdos
year	2016
title	Living on the Edge - Reinventing the amphibiotic habitat of the Mesopotamian Marshlands
source	Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 513-526
summary	The Mesopotamian Marshlands form one of the first landscapes where people started to transform and manipulate the natural environment in order to sustain human habitation. For thousands of years, people have transformed natural ecosystems into agricultural fields, residential clusters and other agglomerated environments to sustain long-term settlement. In this way, the development of human society has been intricately linked to the extraction, processing and consumption of natural resources. The Mesopotamian Marshlands, located in one of the hottest and most arid areas on the planet, formed a unique wetlands ecosystem, which apart from millions of people, sustained a very high number of wildlife and endemic species. Several historical, political, social and climatic changes, which densely occurred during the past century, completely destroyed the unique civilisation of the area, made all the wild flora and fauna disappear and forced hundreds of thousands of people to migrate. During the last decade, many efforts have been made to restore the marshlands. However, these efforts are lacking a comprehensive design strategy, coherent goals and deep understanding of the complex current geopolitical situation, making the restoration process an extremely difficult task. This work aims at providing strategies for recovering the Mesopotamian Marshlands, organising productive functions in order to sustain the local population and design a new inhabitation model, using advanced computational tools while taking into account the extreme climatic conditions and several unique cultural aspects. Part of the aim of this work is to advance the use of computation and explore the opportunities that digital tools afford in helping find solutions to complex design problems where various design variables need to be coordinated to satisfy the design goals. Today, advanced computation enables designers to use population consumption demands, ecological processes and environmental inputs as design parameters to develop more robust and resilient regional planning strategies. This work has the double aim of first, presenting a framework for re-inhabiting the Marshlands of Mesopotamia. Second, the work suggests a design methodology based on computer-aided design for developing and organising productive functions and patterns of human occupation in wetland environments.
series	ASCAAD
email
last changed	2017/05/25 13:34

_id	sigradi2016_779
id	sigradi2016_779
authors	Granero, Adriana Edith; Paganini, Ana Livia; Hölzel, Gabriel
year	2016
title	Creación asistida por tecnología [Assisted creation by technology]
source	SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.285-289
summary	This research explores the integration and use of applications, digital devices and social networks for the creation of architectural design. We propose a teaching model for teaching morphological architectural representation with different models but integrated. On the study will show the sequence of activities linked to the different models and work on them. For activity using social networks of all kinds, the implementation of 3D printing peripherals, the use of own design uses three significant companies are encouraged: Autodesk, Graphisoft & Mc. Neel.
keywords	Natural education, interaction, educational innovation, Gamefulness, architectural education, higher education
series	SIGRADI
email
last changed	2021/03/28 19:58

_id	sigradi2016_655
id	sigradi2016_655
authors	Molinas, Isabel Sabina; Cuartas, Coppelia Herrán; Mazo, Ever Pati?o; Castagno, Julián Antonio Ossa
year	2016
title	Estrategias para la promoción social en el Distrito de Innovación de Medellín, Colombia. Primer Taller de Dise?o Experimental para la Ciudad. [Strategies for social promotion in the District of Innovation in Medellin, Colombia. First Experi-mental Design Workshop for the City]
source	SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.227-230
summary	One of the challenges of technological development in Latin American cities is to achieve social inclusion and contribute to build a more sustainable and inclusive habitat for its inhabitants. To contribute to this goal, an alliance between Academy and State was established to promote an intervention in the Innovation District. The work focuses on the construction of in-terdisciplinary knowledge and design strategies that contribute to the common welfare. This communication outlines the workshop held in 2015 and presents some proposals of experiential education in the north of Medellin.
keywords	Collaborative Design; Innovation; City; Experiential Education
series	SIGRADI
email
last changed	2021/03/28 19:59

_id	caadria2016_839
id	caadria2016_839
authors	Ikeda, Yasushi; Keisuke Toyoda and Tsukasa Takenaka
year	2016
title	The Pedagogical Meanings of an Experimental Full-Size Mock-Up of Computational Design
source	Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 839-848
doi	https://doi.org/10.52842/conf.caadria.2016.839
summary	Skill in the use of digital media tools is growing more im- portant in architectural education. However parametric objects in computational geometry or digital fabrication as an assist for project- based learning are not in themselves sufficient to extract the potential of computational design. When we consider the performance of a de- sign, or the fundamental purpose of parametric design toolsets in the contemporary context, education must act as a connecter to the ambi- tion of global sustainability. With regards to the advantage of compu- tational methodologies, students benefit by developing a holistic vi- sion of non-standardized assembly technology. This is particularly useful in overcoming problems of mass production, and with the crea- tion of interactive technology that is incrementally adaptable in the process of answering to unpredictable change. In this context, a com- prehensive understanding of digital tools as part of a holistic and eco- logical architectural design mindset is crucial for future designers. Exploring effective ways to guide students in the development of this capability is therefore important. This paper documents a recent effort in this direction through examples of education within a digital design studio. As a conclusion the paper discusses important factors in the encouragement of students as they develop a comprehensive under- standing of the use of digital design culture.
keywords	Digital design studio; full-size mock-up; comprehensive capability; practical performance; project-based learning
series	CAADRIA
email
last changed	2022/06/07 07:50

_id	caadria2016_745
id	caadria2016_745
authors	Suzuki E., Seiichi
year	2016
title	Extruded Architectures: Grading weight-to-strength ratio of cement based materials through extrusion techniques
source	Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 745-754
doi	https://doi.org/10.52842/conf.caadria.2016.745
summary	In recent years, a growing research agenda on the subject of additive manufacturing for architectural design has been established on the basis of jetting and extrusion technology. While jetting pro- vides enough flexibility to print multiple digital materials in a single run, extrusion has proven to be the most viable technique for large- scale and on-site manufacturing. Because major contributions of both research lines cannot be combined due to technological differences, special attention has been devoted towards the development of print- ing strategies that could approximate similar material flexibility of jet- ting by means of extrusion techniques. In this context, this paper pre- sents a computational design methodology for architectural components that enables grading weight-strength ratio of cement based materials through extrusion. Built upon the integration of mod- elling, analysis and fabrication, such methodology allows to optimize material distribution and geometric definition on the basis of physical and fabrication constraints. A case study is presented for describing the design processes of a circular column and the fabrication of a sec- tion it.
keywords	Additive manufacturing; cement based materials; computational design
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	ascaad2016_003
id	ascaad2016_003
authors	Al-Jokhadar, Amer; Wassim Jabi
year	2016
title	Humanising the Computational Design Process - Integrating Parametric Models with Qualitative Dimensions
source	Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 9-18
summary	Parametric design is a computational-based approach used for understanding the logic and the language embedded in the design process algorithmically and mathematically. Currently, the main focus of computational models, such as shape grammar and space syntax, is primarily limited to formal and spatial requirements of the design problem. Yet, qualitative factors, such as social, cultural and contextual aspects, are also important dimensions in solving architectural design problems. In this paper, an overview of the advantages and implications of the current methods is presented. It also puts forward a ‘structured analytical system’ that combines the formal and geometric properties of the design, with descriptions that reflect the spatial, social and environmental patterns. This syntactic-discursive model is applied for encoding vernacular courtyard houses in the hot-arid regions of the Middle East and North Africa, and utilising the potentials of these cases in reflecting the lifestyle and the cultural values of the society, such as privacy, human-spatial behaviour, the social life inside the house, the hierarchy of spaces, the segregation and seclusion of family members from visitors and the orientation of spaces. The output of this analytical phase prepares the groundwork for the development of socio-spatial grammar for contemporary tall residential buildings that gives the designer the ability to reveal logical spatial topologies based on socio-environmental restrictions, and to produce alternatives that have an identity while also respecting the context, place and needs of users.
series	ASCAAD
email
last changed	2017/05/25 13:13

_id	ascaad2016_046
id	ascaad2016_046
authors	Albarakat, Reem; Gehan Selim
year	2016
title	Radicalism vs. Consistency - The Cyber Influence on Individuals’ Non-Routine Uses in the Heritage Public Spaces of Cairo
source	Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 451-460
summary	Since the emergence of the concept of user-generated content websites – Web 2.0, Internet communications have developed as a powerful personal and social phenomenon. Many Internet applications have become partially or entirely related to the concept of social network; and cyberspace has become a space about ‘us’ not ‘where’ we are. This paper investigates the theoretical grounds of the effect of cyber experience on changing the individuals’ uses of the public spaces, and sustaining this change through maintaining the ties and reciprocal influence between actions in physical and cyber spaces. It aims at examining the impact of cyber territories on the perception, definition and effectiveness of personal space within different circumstances; and its role in changing the uses of spaces where people used to act habitually. The personal space, here, will be represented as the core of both: change and consistency – the space of bridging the reciprocal effect of cyber and physical counterparts, which is transformed through the experience of physical events mediated into the cyberspace. The paper is part of a study which looks at the case of Tahrir Square during the Egyptian political movement in 2011. We will compare the activists’ actions and practices in the Square during different events of non-routine use of the square and its surroundings. The case study will show the level of consistency in the features of the produced personal space within different waves of the revolutionary actions for all that different circumstances, motivations and results.
series	ASCAAD
email
last changed	2017/05/25 13:33

_id	acadia16_54
id	acadia16_54
authors	Andreen, David; Jenning, Petra; Napp, Nils; Petersen, Kirstin
year	2016
title	Emergent Structures Assembled by Large Swarms of Simple Robots
source	ACADIA // 2016: POSTHUMAN FRONTIERS: Data, Designers, and Cognitive Machines [Proceedings of the 36th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-77095-5] Ann Arbor 27-29 October, 2016, pp. 54-61
doi	https://doi.org/10.52842/conf.acadia.2016.054
summary	Traditional architecture relies on construction processes that require careful planning and strictly defined outcomes at every stage; yet in nature, millions of relatively simple social insects collectively build large complex nests without any global coordination or blueprint. Here, we present a testbed designed to explore how emergent structures can be assembled using swarms of active robots manipulating passive building blocks in two dimensions. The robot swarm is based on the toy “bristlebot”; a simple vibrating motor mounted on top of bristles to propel the body forward. Since shape largely determines the details of physical interactions, the robot behavior is altered by carefully designing its geometry instead of uploading a digital program. Through this mechanical programming, we plan to investigate how to tune emergent structural properties such as the size and temporal stability of assemblies. Alongside a physical testbed with 200 robots, this work involves comprehensive simulation and analysis tools. This simple, reliable platform will help provide better insight on how to coordinate large swarms of robots to construct functional structures.
keywords	emergent structures, mechanical intelligence, swarm robotics
series	ACADIA
type	paper
email
last changed	2022/06/07 07:54

_id	sigradi2016_450
id	sigradi2016_450
authors	Araujo, André L.; Celani, Gabriela
year	2016
title	Exploring Weaire-Phelan through Cellular Automata: A proposal for a structural variance-producing engine
source	SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.710-714
summary	Complex forms and structures have always been highly valued in architecture, even much before the development of computers. Many architects and engineers have strived to develop structures that look very complex but at the same time are relatively simple to understand, calculate and build. A good example of this approach is the Beijing National Aquatics Centre design for the 2008 Olympic Games, also known as the Water Cube. This paper presents a proposal for a structural variance-producing engine using cellular automata (CA) techniques to produce complex structures based on Weaire-Phelan geometry. In other words, this research evaluates how generative and parametric design can be integrated with structural performance in order to enhance design flexibility and control in different stages of the design process. The method we propose was built in three groups of procedures: 1) we developed a method to generate several fits for the two Weaire-Phelan polyhedrons using CA computation techniques; 2) through the finite elements method, we codify the structural analysis outcomes to use them as inputs for the CA algorithm; 3) evaluation: we propose a framework to compare how the final outcomes deviate for the good solutions in terms of structural performance and rationalization of components. We are interested in knowing how the combination of the procedures could contribute to produce complex structures that are at the same time certain rational. The system developed allows the structural analysis of structured automatically generated by a generative system. However, some efficient solutions from the structural performance point of view do not necessarily represent a rational solution from the feasibility aspects.
keywords	Structural design; Complex structures; Bottom-up design approach
series	SIGRADI
email
last changed	2021/03/28 19:58

_id	ascaad2016_058
id	ascaad2016_058
authors	Assassi, Abdelhalim; Djemaa Benmechirah and Rachida Samai
year	2016
title	Visibility Map - Exploratory study of urban planning for future city design
source	Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 579-588
summary	Through space we can read the acts and the daily activities of human being and, we can also understand different interactions within any social unit. This paper explain how specially the space type can interpret why the human being derives to a negative behavior like "Crime". So, in this study we adopt the visibility approach which is developed by the laboratory of space syntax (UCL), and which makes a sense for the link between the space design and its use and its positive or negative social consequences in the future. Then, the purpose of this paper is to present the importance of the use of visibility map which can also be an outlook approach for detecting potential hot-spots in urban planning designs specially of new cities, for avoiding the negative using of urban spaces like "Crime" in the future. The case of study is the new city of Ali Mendjeli (Constantine - Algeria), the capital of the East of Algeria known by a very fast demographic and urban growth. After analyzing a central urban neighborhood of this city using Depthmap, we found thirty-four hot-spots which can be appropriate spaces for the exercise of crime in the future, and we found that this point was downplayed in the urban planning designs before the realization of Ali Mendjeli new city.
series	ASCAAD
email
last changed	2017/05/25 13:34

_id	caadria2016_641
id	caadria2016_641
authors	Baerlecken, D.; K. Wright, J. Reitz, N. Mueller and B. Heiermann
year	2016
title	Performative Agency of Materials: Matter agency of vernacular African pattern systems
source	Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 641-650
doi	https://doi.org/10.52842/conf.caadria.2016.641
summary	This paper investigates an agency of materials through a design methodology that follows Martin Heidegger’s process of “Entbergen” or “unconcealing” as a non-instrumentalist understanding of tools and materials. This investigation takes place through the de- sign of a children’s theatre in South Africa where material innovation for architectural components is needed. The research studies vernacu- lar African patterns and their inherent behaviour when transferred to materials. The transference of pattern systems to architectural proto- types is discussed alongside the discussion of their technical and ar- chitectural performance criteria. Following Heidegger’s theory of “Entbergen” (“unconcealing”) the paper will demonstrate how making in this methodology becomes an “unconcealing”, which includes both digital and analogue means, linking the four causalities - causa mate- rialis, causa formalis, causa finalis, and causa efficiens – through the agency of material within an integrated process between all four caus- es. Making becomes a process in which form is generated through in- terventions within fields of forces and currents of materials, taking cause and agency into account, and standing in opposition to methods that are defined by a premeditated notion of an ideal outcome.
keywords	African patterns, making, design build, design methodology
series	CAADRIA
email
last changed	2022/06/07 07:54

_id	ascaad2016_022
id	ascaad2016_022
authors	Birge, David; Sneha Mandhan and Alan Berger
year	2016
title	Dynamic Simulation of Neighborhood Water Use - A case study of Emirati neighborhoods in Abu Dhabi, UAE
source	Parametricism Vs. Materialism: Evolution of Digital Technologies for Development [8th ASCAAD Conference Proceedings ISBN 978-0-9955691-0-2] London (United Kingdom) 7-8 November 2016, pp. 197-206
summary	Being located in a hot, humid and arid bioregion, as well as having a unique religious and social context, the Gulf Cooperation Council cities pose significant challenges to the achievement of sustainable urban development. Using native neighborhoods in Abu Dhabi as a case study, this ongoing research aims to develop a design methodology which utilizes both qualitative and quantitative analysis towards the holistic, feedback driven design of new neighborhood typologies for the native population. This paper focuses on the methodology and application of a water use module which measures neighborhood scale indoor and outdoor water use, an area of simulation critical to developing sustainable neighborhoods for Arab cities, yet underrepresented within the literature. The water module comprises one part of a larger toolkit that aims to measure both environmental sustainability as well as social and cultural factors unique to the context of Abu Dhabi and the gulf region.
series	ASCAAD
email
last changed	2017/05/25 13:31

_id	sigradi2016_356
id	sigradi2016_356
authors	Borges, Marina Ferreira
year	2016
title	A Fabricaç?o Digital e o Papel da Arquitetura para uma Mudança de Paradigma Tecno-Econômico no Setor da Construç?o Civil [Digital Fabrication in Brazil and the Role of Architecture for a Techno Economic Paradigm Shift in the Sector of Building Construction]
source	SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.290-296
summary	This paper analyzes the possibilities brought by new digital technologies, architectural design and production for a paradigm shift in the construction sector. The methodology proposes to use evolutionary economy theory, that puts innovation as a key agent for change paradigms, to see connections between existing firms in the current paradigm and the connections that could be established for a new production paradigm through digital fabrication. For this, the role of the university and its potential for innovation, will also be analyzed, both to develop product technology, and to contextualize the technology being imported into a regional context.
keywords	Building Construction; Digital Fabrication; Evolutionary Economy Theory
series	SIGRADI
email
last changed	2021/03/28 19:58

_id	sigradi2016_805
id	sigradi2016_805
authors	Cormack, Jordan; Sweet, Kevin S.
year	2016
title	Parametrically Fabricated Joints: Creating a Digital Workflow
source	SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.412-417
summary	Timber joinery for furniture and architectural purpose has always been identified as a skill or craft. The craft is the demonstration of hand machined skill and precision which is passed down or developed through the iteration of creation and refined reflection. Using digital fabrication techniques provides new, typically unexplored ways of creating and designing joints. It is as if these limitations which bind the ratio of complexity and use are stretched. This means that these joints, from a technical standpoint, can be more advanced than historically hand-made joints as digital machines are not bound by the limitations of the human. The research investigated in this paper explores the ability to create sets of joints in a parametric environment that will be produced with CNC machines, thus redefining the idea of the joint through contemporary tools of creation and fabrication. The research also aims to provide a seamless, digital workflow from the flexible, parametric creation of the joint to the final physical fabrication of it. Traditional joints, more simple in shape and assembly, were first digitally created to ease the educational challenges of learning a computational workflow that entailed the creation and fabrication of geometrically programmed joints. Following the programming and manufacturing of these traditional joints, more advanced and complex joints were created as the understanding of the capabilities of the software and CNC machines developed. The more complex and varied joints were taken from a CAD virtual environment and tested on a 3-axis CNC machine and 3D printer. The transformation from the virtual environment to the physical highlighted areas that required further research and testing. The programmed joint was then refined using the feedback from the digital to physical process creating a more robust joint that was informed by reality.
keywords	Joinery; digital fabrication; parametric; scripting; machining
series	SIGRADI
email
last changed	2021/03/28 19:58

_id	caadria2016_415
id	caadria2016_415
authors	Crolla, Kristof and Adam Fingrut
year	2016
title	Protocol of Error: The design and construction of a bending-active gridshell from natural bamboo
source	Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 415-424
doi	https://doi.org/10.52842/conf.caadria.2016.415
summary	This paper advocates alternative methods to overcome the impossibility of realising ‘perfect’ digital designs. It discusses Hong Kong’s 2015 ‘ZCB Bamboo Pavilion’ as a methodological case study for the design and construction of architecture from unprocessed natu- ral bamboo. The paper critically evaluates protocols set up to deal with errors resulting from precise digital design systems merging with inconsistent natural resources and onsite craftsmanship. The paper starts with the geometric and tectonic description of the project, illus- trating a complex and restrictive construction context. Bamboo’s unique growth pattern, structural build-up and suitability as a bending- active material are discussed and Cantonese bamboo scaffolding craftsmanship is addressed as a starting point for the project. The pa- per covers protocols, construction drawings and assembly methods developed to allow for the incorporation and of large building toler- ances and dimensional variation of bamboo. The final as-built 3d scanned structure is compared with the original digital model. The pa- per concludes by discussing the necessity of computational architec- tural design to proactively operate within a field of real-world inde- terminacy, to focus on the development of protocols that deal with imperfections, and to redirect design from the virtual world towards the latent opportunities of the physical.
keywords	Bamboo; bending-active gridshells; physics simulation; form-finding; indeterminacy
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	ecaade2023_138
id	ecaade2023_138
authors	Crolla, Kristof and Wong, Nichol
year	2023
title	Catenary Wooden Roof Structures: Precedent knowledge for future algorithmic design and construction optimisation
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. 611–620
doi	https://doi.org/10.52842/conf.ecaade.2023.1.611
summary	The timber industry is expanding, including construction wood product applications such as glue-laminated wood products (R. Sikkema et al., 2023). To boost further utilisation of engineered wood products in architecture, further development and optimisation of related tectonic systems is required. Integration of digital design technologies in this endeavour presents opportunities for a more performative and spatially diverse architecture production, even in construction contexts typified by limited means and/or resources. This paper reports on historic precedent case study research that informs an ongoing larger study focussing on novel algorithmic methods for the design and production of lightweight, large-span, catenary glulam roof structures. Given their structural operation in full tension, catenary-based roof structures substantially reduce material needs when compared with those relying on straight beams (Wong and Crolla, 2019). Yet, the manufacture of their non-standard geometries typically requires costly bespoke hardware setups, having resulted in recent projects trending away from the more spatially engaging geometric experiments of the second half of the 20th century. The study hypothesis that the evolutionary design optimisation of this tectonic system has the potential to re-open and expand its practically available design solution space. This paper covers the review of a range of built projects employing catenary glulam roof system, starting from seminal historic precedents like the Festival Hall for the Swiss National Exhibition EXPO 1964 (A. Lozeron, Swiss, 1964) and the Wilkhahn Pavilions (Frei Otto, Germany, 1987), to contemporary examples, including the Grandview Heights Aquatic Centre (HCMA Architecture + Design, Canada, 2016). It analysis their structural concept, geometric and spatial complexity, fabrication and assembly protocols, applied construction detailing solutions, and more, with as aim to identify methods, tools, techniques, and construction details that can be taken forward in future research aimed at minimising construction complexity. Findings from this precedent study form the basis for the evolutionary-algorithmic design and construction method development that is part of the larger study. By expanding the tectonic system’s practically applicable architecture design solution space and facilitating architects’ access to a low-tech producible, spatially versatile, lightweight, eco-friendly, wooden roof structure typology, this study contributes to environmentally sustainable building.
keywords	Precedent Studies, Light-weight architecture, Timber shell, Catenary, Algorithmic Optimisation, Glue-laminated timber
series	eCAADe
email
last changed	2023/12/10 10:49

_id	caadria2016_301
id	caadria2016_301
authors	Datta, S.; T. W. Chang and J. Hollick
year	2016
title	Curating architectural collections: Interaction with immersive stereoscopic visualisation
source	Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 301-310
doi	https://doi.org/10.52842/conf.caadria.2016.301
summary	We present our research on the use of immersive stereo- scopic visualisation in interaction with collections of architectural rep- resentations. We investigate the processing and visualisation of multi- ple model representations from architectural datasets. We develop two models for locating collections of datasets in spatial contexts, namely a realistic gallery and a synthetic landscape. We evaluate and report the qualitative interactive experience with two forms of contextual in- teraction within a novel stereoscopic immersive visualisation (cylin- drical projection) environment. The use of immersive stereoscopic visualisation conveys aspects and dimensions of the collections that would not be possible without the forms of contextual interaction, the gallery metaphor and the synthetic landscape to interact with the ar- chitectural collections. The combination of abstract representations with realistic sense of scale and interaction provide the user with an immersive experience to convey the collective form.
keywords	Digital data acquisition; architectural reconstruction; geometry processing and algorithms; immersive stereoscopic visualisation; human computer interaction
series	CAADRIA
email
last changed	2022/06/07 07:55

_id	caadria2016_767
id	caadria2016_767
authors	De Azambuja Varela, Pedro and Timothy Merritt
year	2016
title	CorkVault Aarhus: exploring stereotomic design space of cork and 5-axis CNC waterjet cutting
source	Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 767-776
doi	https://doi.org/10.52842/conf.caadria.2016.767
summary	This paper presents the design, fabrication, and construc- tion of CorkVault Aarhus, which was designed using parametric and physics simulation software and realized from ECA cork sheets cut using a CNC waterjet cutter. We recount the lessons learned through the intensive two-week workshop that explored the limits of the mate- rials and tools through prototypes and culminated with the assembly of the final free-form vault structure. Various vaults and arch proto- types provided pedagogical and research value, building up knowledge essential to the final structure built, a human scale pavilion designed and built in three days and made of a thin shell of cork pan- els working only in compression. Three driving concepts were crucial to the experience: stereotomy as a supporting theory, expanded cork agglomerate (ECA) as the main material and water jet cutting as the principal means of fabrication. The complex vault shape called for precise 5-axis cuts supporting a new paradigm in building stereotomic components for architecture.
keywords	Stereotomy; generative algorithm; digital fabrication; waterjet; cork
series	CAADRIA
email
last changed	2022/06/07 07:55

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