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	ecaade2012_214
id	ecaade2012_214
authors	Das, Subhajit ; Dutt, Florina
year	2012
title	Design optimization in a hotel and offi ce tower through intuitive design procedures and advanced computational design methodologies. Façade design optimization by computational methods
doi	https://doi.org/10.52842/conf.ecaade.2012.1.235
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. 235-243
summary	The research topic of this paper exemplifies design optimization techniques of a hotel/office tower in Central China (Nanjing city), which faces subtropical humid climate throughout the year. The main intent of the project is to fi nd optimized design solution with the aid of parametric design tools and Visual Basic Scripting techniques (in Rhino Script & Grasshopper) combined with intuitive design process. In any urban context, we firmly believe that architectural design is a responsive phenomenon, which faces diverse interaction with the user & the local climate. The building design of the proposed tower acknowledges these responsive factors of the design with the environment along with building users or residents. Consequently, we strive to develop a sustainable design solution, which is ecologically efficient and psychologically conducive to the wellbeing of the user. We developed our intuitive design product with complex computational design toolsets to leverage design and energy efficiency. In this procedure, we draw major design concepts and geometrical typologies from natural systems in the form of bio mimicry or biologically inspired design process. Overall, this research paper outlines the significance and relevant benefi ts of the combination of intuitive design (from experience, expertise and architects skills) with parametric scripting tools.
wos	WOS:000330322400023
keywords	Sustainable Building Façade; Parametric Architecture; Intelligent building skin; Solar Architecture
series	eCAADe
email
last changed	2022/06/07 07:55

_id	caadria2012_029
id	caadria2012_029
authors	Dutt, Florina and Subhajit Dasd
year	2012
title	Responsive achitectural surface design from nonlinear systems biology: Responsive architectural design by computational methods
doi	https://doi.org/10.52842/conf.caadria.2012.465
source	Proceedings of the 17th International Conference on Computer Aided Architectural Design Research in Asia / Chennai 25-28 April 2012, pp. 465–474
summary	The fundamental processes in living systems can be a potential resource to derive nonlinear relationships that could find application in the design of responsive surface from an architectural standpoint. This research focuses on deriving a parametric relationship from a phenomenon in cell biology to generate an architectural expression of responsive surface/ façade. It further delineates the dynamic feedback mechanism from the environment and user as control factors. Through extensive investigation of cell-to-cell connections in the mammary epithelial cells and review of evident relay of communication across the entire system of cells, we could unfold the logical parameters of the biological system. Parametric modelling indicating the causality of the surface condition, changes with the change in extracellular matrix. This gives an opportunity to manoeuvre the surface parameters, contrary to the involuntary cell environment where the behaviours are under the control of a physiological process. Architecturally, the dynamic relationship of surface in a hybridised model, explains that interactivity is not a mere one to one response to a stimulus. Evidently, this interactive process can be a sophisticated loop of feedback through different materiality and componentry that play their effects (and are played back) by “active” surfaces.
keywords	Computational design; responsive architecture; sustainable façade design; bio-inspired design; bio-mimicry
series	CAADRIA
email
last changed	2022/06/07 07:55

_id	ijac201210302
id	ijac201210302
authors	Rossi, Dino; Zoltán Nagy, Arno Schlueter
year	2012
title	Adaptive Distributed Robotics for Environmental Performance, Occupant Comfort and Architectural Expression
source	International Journal of Architectural Computing vol. 10 - no. 3, 341-359
summary	The integration of adaptive distributed robotics in architectural design has the potential to improve building energy performance while simultaneously increasing occupant comfort. In addition, conceiving buildings as dynamic systems with the ability to adapt to the changing environments in which they exist, opens new aesthetic possibilities for designers. As the façade of a building is a common place to address issues of energy performance and occupant comfort, this paper presents a first prototype of an adaptive solar envelope (ASE). Its functions are to provide distributed shading, solar power generation through integrated photovoltaics, and daylight distribution. We describe the interdisciplinary design process, and illustrate the architectural possibilities that arise from a distributed systems approach. The ASE is expanded to work in parallel with an adaptive artificial lighting element. Rather than being preprogrammed, the systems adapt their behavior through interaction with the environment and building occupants. This adaptation to the user's wishes is demonstrated successfully for the artificial light controller. We argue that with presently available technology and an increased exposure of architecture students and practitioners to adaptive design techniques, adaptive architectures will soon become a regular element of the built environment.
series	journal
last changed	2019/05/24 09:55

_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	ascaad2023_000
id	ascaad2023_000
authors	Abdelmohsen, Sherif; Al-Jokhadar, Amer
year	2023
title	ASCAAD 2023: C+++: Computation, Culture, and Context
source	C+++: Computation, Culture, and Context – Proceedings of the 11th International Conference of the Arab Society for Computation in Architecture, Art and Design (ASCAAD), University of Petra, Amman, Jordan [Hybrid Conference] 7-9 November 2023, 1042 p.
summary	The ASCAAD 2023 theme focuses on Computation, Culture, and Context; a triad that is increasingly informing and reshaping the emerging dynamics of design and construction in the built environment of several regions in the Global South. Socio-cultural spheres, heritage roots, contextual relevance, and art and material culture have historically been the primary sources for design and construction innovation and uniqueness in such regions and contexts. Complex geopolitical events however have resulted in a shift towards a perplexed practice of post-modernist styles or imported Western models of design and production, coupled with some attempts to rebrand modernist and post-modernist approaches through critical regionalism and revolts against orientalist movements. Technology and computation have always been an active factor and tool in reflecting these practices. Advancements in computational design have in some ways sparked a latent intent to revive the character and heritage of rich civilizations. While this has led to growing interest within communities belonging to such rich history to adopt computational methodologies and practices, it has equally raised questions regarding authenticity, innovation and identity. Many of the recent attempts to shift away from Western-centered orientalist approaches have in reality not been that far, but have often further accentuated the superficial use of geometrical practices and pattern-based approaches in art, architecture, and urban design, characterized by stereotypical schemes in building interiors, façade screens, and spatial configurations.
series	ASCAAD
email
last changed	2024/02/13 14:34

_id	ascaad2021_118
id	ascaad2021_118
authors	Abdelmohsen, Sherif; Passaint Massoud
year	2021
title	Material-Based Parametric Form Finding: Learning Parametric Design through Computational Making
source	Abdelmohsen, S, El-Khouly, T, Mallasi, Z and Bennadji, A (eds.), Architecture in the Age of Disruptive Technologies: Transformations and Challenges [9th ASCAAD Conference Proceedings ISBN 978-1-907349-20-1] Cairo (Egypt) [Virtual Conference] 2-4 March 2021, pp. 521-535
summary	Most approaches developed to teach parametric design principles in architectural education have focused on universal strategies that often result in the fixation of students towards perceiving parametric design as standard blindly followed scripts and procedures, thus defying the purpose of the bottom-up framework of form finding. Material-based computation has been recently introduced in computational design, where parameters and rules related to material properties are integrated into algorithmic thinking. In this paper, we discuss the process and outcomes of a computational design course focused on the interplay between the physical and the digital. Two phases of physical/digital exploration are discussed: (1) physical exploration with different materials and fabrication techniques to arrive at the design logic of a prototype panel module, and (2) deducing and developing an understanding of rules and parameters, based on the interplay of materials, and deriving strategies for pattern propagation of the panel on a façade composition using variation and complexity. The process and outcomes confirmed the initial hypothesis, where the more explicit the material exploration and identification of physical rules and relationships, the more nuanced the parametrically driven process, where students expressed a clear goal oriented generative logic, in addition to utilizing parametric design to inform form finding as a bottom-up approach.
series	ASCAAD
email
last changed	2021/08/09 13:13

_id	caadria2019_413
id	caadria2019_413
authors	Ahrens, Chandler, Chamberlain, Roger, Mitchell, Scott, Barnstorff, Adam and Gelbard, Joshua
year	2019
title	Controlling Daylight Reflectance with Cyber-physical Systems
doi	https://doi.org/10.52842/conf.caadria.2019.1.433
source	M. Haeusler, M. A. Schnabel, T. Fukuda (eds.), Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 1, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, pp. 433-442
summary	Cyber-physical systems increasingly inform and alter the perception of atmospheric conditions within interior environments. The Catoptric Surface research project uses computation and robotics to precisely control the location of reflected daylight through a building envelope to form an image-based pattern of light on the building interior's surfaces. In an attempt to amplify or reduce spatial perception, the daylighting reflected onto architectural surfaces within a built environment generates atmospheric effects. The modification of light patterns mapped onto existing or new surfaces enables the perception of space to not rely on form alone. The mapping of a new pattern that is independent of architectural surfaces creates a visual effect of a formless atmosphere and holds the potential to affect the way people interact with the space. People need different amounts and quality of daylight depending on physiological differences due to age or the types of tasks they perform. This research argues for an informed luminous and atmospheric environment that is relative both to the user and more conceptual architectural aspirations of spatial perception controlled by a cyber-physical robotic faÃ§ade system.
keywords	Contextual; Computation
series	CAADRIA
email
last changed	2022/06/07 07:54

_id	ascaad2021_151
id	ascaad2021_151
authors	Allam, Samar; Soha El Gohary, Maha El Gohary
year	2021
title	Surface Shape Grammar Morphology to Optimize Daylighting in Mixed-Use Building Skin
source	Abdelmohsen, S, El-Khouly, T, Mallasi, Z and Bennadji, A (eds.), Architecture in the Age of Disruptive Technologies: Transformations and Challenges [9th ASCAAD Conference Proceedings ISBN 978-1-907349-20-1] Cairo (Egypt) [Virtual Conference] 2-4 March 2021, pp. 479-492
summary	Building Performance simulation is escalating towards design optimization worldwide utilizing computational and advanced tools. Egypt has its plan and agenda to adopt new technologies to mitigate energy consumption through various sectors. Energy consumption includes electricity, crude oil, it encompasses renewable and non-renewable energy consumption. Egypt Electricity (EE) consumption by sector percentages is residential (47%), industrial (25%) and commercial (12%), with the remainder used by government, agriculture, public lighting and public utilities (4%). Electricity building consumption has many divisions includes HVAC systems, lighting, Computers and Electronics and others. Lighting share of electricity consumption can vary from 11 to 15 percent in mixed buildings as in our case study which definitely less that the amount used for HVAC loads. This research aims at utilizing shape morphogenesis on facades using geometric shape grammar to enhance daylighting while blocking longwave radiations causing heat stress. Mixed-use building operates in daytime more than night which emphasizes the objective of this study. Results evaluation is referenced to LEED v4.1 and ASHRAE 90.1-2016 window-to-wall ratio calibration and massive wall description. Geometric morphogenesis relies on three main parameters; Pattern (Geometry Shape Grammar: R1, R2, and R3), a reference surface to map from, and a target surface to map to which is the south-western façade of the case study. Enhancing Geo-morph rule is to guarantee flexibility due to the rotation of sun path annually with different azimuth and altitude angles and follow LEED V4.1 enhancements of opaque wall percent for building envelope.
series	ASCAAD
email
last changed	2021/08/09 13:13

_id	ascaad2016_027
id	ascaad2016_027
authors	Cocho-Bermejo, Ana
year	2016
title	Time in Adaptable Architecture - Deployable emergency intelligent membrane
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. 249-258
summary	The term "Parametricism" widespread mainly by Patrick Schumacher (Schumacher, 2008) is worthy of study. Developing the concept of Human Oriented Parametric Architecture, the need of implementing time as the lost parameter in current adaptive design techniques will be discussed. Morphogenetic processes ideas will be discussed through the principle of an adaptable membrane as a case study. A model implementing a unique Arduino[i] on the façade will control its patterns performance through an Artificial Neural Network that will understand the kind of scenario the building is in, activating a Genetic Algorithm that will optimize the insulation performance of the ETFE pillows. The system will work with a global behavior for façade pattern performance and with a local one for each pillow, giving the option of individual sun-shading control. Machine learning implementation will give the façade the possibility to learn from the efficacy of its decisions through time, eliminating the need of a general on-off behavior.
series	ASCAAD
email
last changed	2017/05/25 13:31

_id	ecaade2013_024
id	ecaade2013_024
authors	Jabi, Wassim; Grochal, Barbara and Richardson, Adam
year	2013
title	The Potential of Evolutionary Methods in Architectural Design
doi	https://doi.org/10.52842/conf.ecaade.2013.2.217
source	Stouffs, Rudi and Sariyildiz, Sevil (eds.), Computation and Performance – Proceedings of the 31st eCAADe Conference – Volume 2, Faculty of Architecture, Delft University of Technology, Delft, The Netherlands, 18-20 September 2013, pp. 217-226
summary	In this paper we examine the potential of combining 2D shape packing algorithms and evolutionary methods in the design process. We investigate the ways such algorithms can be used in architectural design and how they may influence it. In the first part of this paper we introduce the theoretical framework of packing algorithms and genetic algorithms as well as the traditional design process and the nature of design problems. In the second part of the paper we introduce a software prototype that tests these algorithms in two contexts: the preliminary design of a shading façade pattern and the design of commercial housing layouts. The aim for both experiments was to generate optimal configurations based on user-defined criteria without resorting to exhaustive search. Several lessons were learned that point to the potential of evolutionary methods in architecture as well as the limitations of such methods. We conclude the paper with recommendations for further developing this research project.
wos	WOS:000340643600021
keywords	Evolutionary design; genetic algorithm; packing algorithm; scripting.
series	eCAADe
email
last changed	2022/06/07 07:52

_id	ecaade2017_149
id	ecaade2017_149
authors	Jahanara, Alireza and Fioravanti, Antonio
year	2017
title	Kinetic Shading System as a means for Optimizing Energy Load - A Parametric Approach to Optimize Daylight Performance for an Office Building in Rome
doi	https://doi.org/10.52842/conf.ecaade.2017.2.231
source	Fioravanti, A, Cursi, S, Elahmar, S, Gargaro, S, Loffreda, G, Novembri, G, Trento, A (eds.), ShoCK! - Sharing Computational Knowledge! - Proceedings of the 35th eCAADe Conference - Volume 2, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 231-240
summary	Current research, as a part of on-going PhD research, explores the possibilities of dynamic pattern inspired from biomimetic design and presents a structured framework for light to manage strategies. The experiment stresses the improvement of daylight performance through the design and motion of kinetic facades using various integrated software.The impact of kinetic motion of hexagonal pattern was studied by integrating triangle and triangle covering through blooming pyramids on south-facing skin to control the daylight distribution, using a parametric simulation technique. The simulation was carried out for a south oriented façade of an office room in Rome, Italy over three phases. The first optimized results represent the static base case, which were compared to the other two proposed dynamic models in this research. Results demonstrate that dynamic façade achieved a better daylighting performance in comparison to optimized static base case.
keywords	Bio-Inspired Pattern; Parametric Design; Dynamic Façade; Daylighting
series	eCAADe
email
last changed	2022/06/07 07:52

_id	acadiaregional2011_008
id	acadiaregional2011_008
authors	Krietemeyer,Elizabeth A.; Anna H. Dyson
year	2011
title	Electropolymeric Technology for Dynamic Building Envelopes
doi	https://doi.org/10.52842/conf.acadia.2011.x.s0s
source	Parametricism (SPC) ACADIA Regional 2011 Conference Proceedings
summary	Human health and energy problems associated with the lack of control of natural light in contemporary buildings have necessitated research into dynamic windows for energy efficient buildings. Existing dynamic glazing technologies have made limited progress towards greater energy performance for curtain wall systems because they are still unable to respond to dynamic solar conditions, fluctuating building demands, and a range of user preferences for visual comfort and individual control. Recent breakthroughs in the field of information display provide opportunities to transfer electropolymeric technology to building envelopes that can achieve geometric and spectral selectivity in concert with pattern variation within the façade. Integrating electroactive polymers within the surfaces of an insulated glazing unit (IGU) could dramatically improve the energy performance of windows while enabling user empowerment through the control of the visual quality of this micro-material assembly, in addition to allowing for the switchable patterning of information display. Using parametric modeling as a generative design and analysis tool, this paper examines the technical intricacies linking system variables with visual comfort, daylight quality, and pattern design of the proposed electropolymeric dynamic facade technology.
series	ACADIA
last changed	2022/06/07 07:49

_id	acadia19_616
id	acadia19_616
authors	Sitnikov, Vasily; Eigenraam, Peter; Papanastasis, Panagiotis; Wassermann-Fry, Stephan
year	2019
title	IceFormwork for Cast HPFRC Elements
doi	https://doi.org/10.52842/conf.acadia.2019.616
source	ACADIA 19:UBIQUITY AND AUTONOMY [Proceedings of the 39th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-578-59179-7] (The University of Texas at Austin School of Architecture, Austin, Texas 21-26 October, 2019) pp. 616-627
summary	The following paper introduces a design implementation of an innovative fabrication method that aims at enabling an environmental and automated production of geometrically challenging cast concrete elements. The fabrication method is based on the use of ice as the molding material for cast concrete. Empirical testing of ice CNC-processing, and a concrete mix capable of hardening at subzero temperatures was undertaken during previous research stages. The current paper illustrates a practical application of ice formwork. A façade rain screen has been developed using algorithmic modeling to illustrate a common case in which a non-repetitive geometrical pattern requires individual formwork to be produced for each element. Existing industrial methods capable of delivering such a project for formidable costs are based on CNC-processed expanded polystyrene (EPS), wood-based materials, or industrial wax formwork. These materials have been found to be either difficult to recycle, expensive, insufficiently strong, energy- or labor-intensive to produce. Preliminary evaluation has shown that ice, used in their place, facilitates a much cleaner, economic, and an even more energy-efficient process. Moreover, a very gentle demolding process through ice-thawing eliminates any shock stresses exposed on newly cast concrete and provides optimal curing conditions. As a result, the thickness of façade elements can be reduced while still fulfilling all structural requirements.
series	ACADIA
type	normal paper
email
last changed	2022/06/07 07:56

_id	cf2019_028
id	cf2019_028
authors	Sroka, Jeffrey and Kihong Ku
year	2019
title	A Geometry Exploration of Flexagons: Designing a Tetrahedron Based Responsive Daylight Control System
source	Ji-Hyun Lee (Eds.) "Hello, Culture!" [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, pp. 223-233
summary	This project aimed to expand the area of responsive shading systems through the novel application of a volumetric origami geometry – the flexagon. The original contributions of this project come through the design development and prototyping of the kinetics of an octa-flexagon based geometry. Few researchers or designers have investigated the flexagon pattern in architecture and departing from relevant research, this project identified a novel geometric construct of flexagons that allow kinetic actuation with beneficial performative and aesthetic properties. These include surface qualities of the component tetrahedron geometry for daylighting and view control. The aggregation of multiple units resulted in new understanding of the stacking characteristics and the rotational envelope of flexagon geometries.
keywords	Architectural Geometry, Prototyping, Origami, Responsive Façade
series	CAAD Futures
email
last changed	2019/07/29 14:15

_id	ecaade2015_318
id	ecaade2015_318
authors	Wortmann, Thomas and Tuncer, Bige
year	2015
title	Performative Design and Fabrication of a Parametric Wall Screen for Tropical Climates - A Modular Approach
doi	https://doi.org/10.52842/conf.ecaade.2015.2.521
source	Martens, B, Wurzer, G, Grasl T, Lorenz, WE and Schaffranek, R (eds.), Real Time - Proceedings of the 33rd eCAADe Conference - Volume 2, Vienna University of Technology, Vienna, Austria, 16-18 September 2015, pp. 521-530
summary	We have developed a modular approach to the parametric design of a patterned façade for tropical climates, using a “lighter” data set and model that integrates a number of performance considerations. This modular approach separates the façade's design into form, façade pattern, façade density requirements, and façade components, and reintegrates these aspects via a triangular mesh, represented as a fast and convenient data structure based on half-edges. Through this separation, the design team can simultaneously work on the architectural appearance of the design, its performance, and its fabrication, while retaining holistic control through the constant reintegration of design changes via the half-edge data structure. In this way, we retain the advantages of a parametrically driven design process, such as automatic design generation and the integration of performance aspects, while permitting more flexible and non-sequential design explorations by different members of the design team.
wos	WOS:000372316000059
series	eCAADe
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=8d6a4092-6e8f-11e5-9937-97af6c862566
last changed	2022/06/07 07:57

_id	sigradi2012_272
id	sigradi2012_272
authors	Amindarbari, Reza
year	2012
title	Morphological indicators of solar exposure
source	SIGraDi 2012 [Proceedings of the 16th Iberoamerican Congress of Digital Graphics] Brasil - Fortaleza 13-16 November 2012, pp. 414-418
summary	This paper investigates the relation between the shading condition and geometrical configuration of neighborhood-scale developments. It introduces a straightforward method for measuring shadow areas casted on buildings’ roofs and facades – in urban areas – using digital 3D models. Employing this method for measuring shadow areas in nine neighborhoods in Jinan, China, at six different time points on summer and winter solstices – a total of 54 sample measurements – this study develops two regression models that reveal the significant dependency of the in-shadow percentage of buildings’ façade and roof areas to the building volume density (BVD) and height irregularity (HI) of the urban fabric.
keywords	urban form, geometrical configuration, solar exposure, shadow area
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	acadia12_199
id	acadia12_199
authors	Beorkrem, Chris ; Corte, Dan
year	2012
title	Zero-Waste, Flat-Packed, Tri-Chord Truss: Continued Investigations of Structural Expression in Parametric Design"
doi	https://doi.org/10.52842/conf.acadia.2012.199
source	ACADIA 12: Synthetic Digital Ecologies [Proceedings of the 32nd Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-62407-267-3] San Francisco 18-21 October, 2012), pp. 199-208
summary	The direct and rapid connections between scripting, modeling and prototyping allow for investigations of computation in fabrication. The manipulation of planar materials with two-dimensional CNC cuts can easily create complex and varied forms, volumes, and surfaces. However, the bulk of research on folding using CNC fabrication tools is focused upon surfaces, self-supporting walls and shell structures, which do not integrate well into more conventional building construction models. This paper attempts to explain the potential for using folding methodologies to develop structural members through a design-build process. Conventional building practice consists of the assembly of off-the-shelf parts. Many times, the plinth, skeleton, and skin are independently designed and fabricated, integrating multiple industries. Using this method of construction as an operative status quo, this investigation focused on a single structural component: the truss. Using folding methodologies and sheet steel to create a truss, this design investigation employed a recyclable and prolific building material to redefine the fabrication of a conventional structural member. The potential for using digital design and two-dimensional CNC fabrication tools in the design of a foldable truss from sheet steel is viable in the creation of a flat-packed, minimal waste structural member that can adapt to a variety of aesthetic and structural conditions. Applying new methods to a component of the conventional ‘kit of parts’ allowed for a novel investigation that recombines zero waste goals, flat-packing potential, structural expression and computational processes. This paper will expand (greatly) upon previous research into bi-chord truss designs, developing a tri-chord truss, which is parametrically linked to its structural moment diagram. The cross section of each truss is formed based on the loading condition for each beam. This truss design has been developed through a thorough series of analytical models and tests performed digitally, to scale and in full scale. The tri-chord truss is capable of resisting rotational failures well beyond the capacity of the bi-chord designs previously developed. The results are complex, and elegant expressions of structural logics embodied in a tightly constrained functional design.
keywords	Parametric Design , Structural Expression , Material constraints
series	ACADIA
type	normal paper
email
last changed	2022/06/07 07:54

_id	ecaade2012_141
id	ecaade2012_141
authors	Castro e Costa, Eduardo; Coutinho, Filipe; Duarte, José Pinto; Krüger, Mário
year	2012
title	Modelling Alberti’s Column System: Generative Modelling and Digital Fabrication of Classical Architectural Elements
doi	https://doi.org/10.52842/conf.ecaade.2012.2.469
source	Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 2 / ISBN 978-9-4912070-3-7, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 469-477
summary	The research presented further is part of the Digital Alberti research project, which aims to assess the infl uence of Leon Batista Alberti’s theory on Portuguese architecture, through the use of digital technologies. One of the project tasks implied computational and physical modelling of Alberti’s column system. Development of the computational model implied decoding Alberti’s treatise on architecture De re aedifi catoria into a consistent set of parameters and relationships, and then implementing these into generative parametric computer programs through visual programming language Grasshopper. This computational model is able to automatically generate physical models of classical columns according to Alberti’s canons. These digital models were then materialized through production of physical models, through rapid prototyping and digital fabrication technologies. Special attention is given to the CNC stone milling of a Corinthian capital.
wos	WOS:000330320600049
keywords	Alberti; De re aedifi catoria; Column system; Generative modelling; Digital fabrication
series	eCAADe
email
last changed	2022/06/07 07:55

_id	ijac201210409
id	ijac201210409
authors	Dutt, Florina; Subhajit Das
year	2012
title	Computational Design of a Bio Inspired Responsive Architectural Façade System
source	International Journal of Architectural Computing vol. 10 - no. 4, 613-633
summary	This research intends to illustrate a nonlinear relationship that could be drawn between the fundamental processes in living systems and architectural design of responsive surface.The research focuses on deriving a set of parametric relationships from the phenomenon in cell biology and generating an architectural expression of a responsive fac_ade system.The research methods primarily investigates the cell – to – cell connection in mammary epithelial cell system and review the evident relay of communication across the entire system of cells .This thorough investigation unfolds the logical parameters of the biological system that delineates the dynamic feedback mechanism and changes in the cell surface conditions initiated from the changes in the extra - cellular environment (ECM).The research findings of this complex mechanism are further translated though parametric modeling tool (in this case Generative Components) to model the causalities of the changes in cell environment and surface condition changes. In the next phase of our research we have explored the architectural utility of this hybridized model operating in a user defined controlled environ, and not just a mere response to biological stimulus.
series	journal
last changed	2019/05/24 09:55

_id	acadia12_139
id	acadia12_139
authors	Erioli, Alessio ; Zomparelli, Alessandro
year	2012
title	Emergent Reefs
doi	https://doi.org/10.52842/conf.acadia.2012.139
source	ACADIA 12: Synthetic Digital Ecologies [Proceedings of the 32nd Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-62407-267-3] San Francisco 18-21 October, 2012), pp. 139-148
summary	The Emergent Reefs project thrives on the potential that emerge from a coherent utilization of the environment’s inherent ecological structure for its own transformation and evolution, using an approach based on digitally simulated ecosystems and sparkled by the possibilities and potential of large-scale 3D printing technology. Considering tourism as an inevitable vector of environmental change, the project aims to direct its potential and economic resources towards a positive transformation, providing a material substrate for the human-marine ecosystem integration with the realization of spaces for an underwater sculpture exhibition. Such structures will also provide a pattern of cavities which, expanding the gradient of microenvironmental conditions, break the existing homogeneity in favor of systemic heterogeneity, providing the spatial and material preconditions for the repopulation of marine biodiversity. Starting from a digital simulation of a synthetic local ecosystem, a generative technique based on multi-agent systems and continuous cellular automata (put into practice from the theoretical premises in Alan Turing’s paper “The Chemical basis of Morphogenesis” through reaction-diffusion simulation) is implemented in a voxel field at several scales giving the project a twofold quality: the implementation of reaction diffusion generative strategy within a non-isotropic 3-dimensional field and integration with the large-scale 3D printing fabrication system patented by D-Shape®. Out of these assumptions and in the intent of exploiting the expressive and tectonic potential of such technology, the project has been tackled exploring voxel-based generative strategies. Working with a discrete lattice eases the simulation of complex systems and processes across multiple scales (including non-linear simulations such as Computational Fluid-Dynamics) starting from local interactions using, for instance, algorithms based on cellular automata, which then can be translated directly to the physical production system. The purpose of Emergent-Reefs is to establish, through strategies based on computational design tools and machine-based fabrication, seamless relationships between three different aspects of the architectural process: generation, simulation and construction, which in the case of the used technology can be specified as guided growth.
keywords	emergence , reef , underwater , 3D printing , ecology , ecosystem , CFD , agency , architecture , tourism , culture , Open Source
series	ACADIA
type	normal paper
email
last changed	2022/06/07 07:55

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