Cumincad : CUMINCAD Papers : Search Results

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

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

_id	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	caadria2016_517
id	caadria2016_517
authors	Shen, Yang Ting and Pei Wen Lu
year	2016
title	Development of Kinetic Facade Units with BIM-Based Active Control System for the Adaptive Building Energy Performance Service
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. 517-526
doi	https://doi.org/10.52842/conf.caadria.2016.517
summary	This paper proposes a novel concept and practice to engage the BIM model as a control system of building energy performance service. This issue can be divided into two sub-issues including the development of more eco-friendly fac?ade which can interact with its local environment, and the related active control system which can process the environmental parameters for eco-friendly actions. This research designs the Parametric Adaptive Skin System (PASS) to en- gage the adaption of natural sunlight use for higher building perfor- mance. PASS consists of kinetic fac?ade components dominated by the BIM-based parametric engine called Dynamo. The PASS prototype demonstrates that the workflows is successful in using a real light sen- sor plus simulated solar terms to drive the interaction of virtual Revit model and physical PASS model.
keywords	Building information modelling (BIM); adaptive building; energy consumption; building performance; kinetic fac?ade
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	sigradi2016_484
id	sigradi2016_484
authors	Shahmiri, Fereshteh; Gentry, Russell
year	2016
title	A Survey of Cable-Suspended Parallel Robots and their Applications in Architecture and 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.914-920
summary	Serial, aerial and solid-linked parallel robots are unable to handle large payloads in building-scale workspaces for on-site applications and are thus best suited for automated fabrication in plant settings. In contrast, Cable Suspended Parallel Robots or CSPRs are able to handle large loads and traverse great distances as required on building construction sites. This paper reviews the existing literature and practice to bridge the gap between our understanding of CSPRs and their applicability to building-scale tasks such as full-scale concrete printing and building façade installation. The research identifies key activities in CSPRs fabrication workflows. Using a comparative approach, the paper investigates five CSPR variants and assesses the performance characteristics. A simple kinematic model of each CSPR is developed and implemented as a Rhino/Grasshopper script to aid in the performance assessment of each system. The paper concludes with a ranking of CSPR systems and their likely applicability to full-scale implementation on a construction site.
keywords	Cable Suspended Parallel Robots; CSPR; Automation; AEC
series	SIGRADI
email
last changed	2021/03/28 19:59

_id	acadia16_326
id	acadia16_326
authors	Wit, Andrew; Ng, Rashida; Zhang, Cheng; Kim Simon
year	2016
title	Composite Systems for Lightweight Architectures: Case studies in large-scale CFRP winding
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. 326-331
doi	https://doi.org/10.52842/conf.acadia.2016.326
summary	The introduction of lightweight Carbon Fiber Reinforced Polymer (CFRP) based systems into the discipline of architecture and design has created new opportunities for form, fabrication methodologies and material efficiencies that were previously difficult if not impossible to achieve through the utilization of traditional standardized building materials. No longer constrained by predefined material shapes, nominal dimensions, and conventional construction techniques, individual building components or entire structures can now be fabricated from a single continuous material through a means that best accomplishes the desired formal and structural objectives while creating minimal amounts of construction waste and disposable formwork. This paper investigates the design, fabrication and structural potentials of wound, pre-impregnated CFRP composites in architectural-scale applications through the lens of numeric and craft based composite winding implemented in two unique research projects (rolyPOLY + Cloud Magnet). Fitting into the larger research agenda for the CFRP-based robotic housing prototype currently underway in the “One Day House” initiative, these two projects also function as a proof of concept for CFRP monocoque and gridshell based structural systems. Through a rigorous investigation of these case studies, this paper strives to answer several questions about the integration of pre-impregnated CFRP in future full-scale interventions: What form-finding methodologies lend themselves to working with CFRP? What are the advantages and disadvantages of working with pre-impregnated CFRP tow in large-scale applications? What are efficient methods for the placement of CFRP fiber on-site? As well as how scalable is CFRP?
keywords	form finding, winding, cfrp, embedded responsiveness
series	ACADIA
type	paper
email
last changed	2022/06/07 07:57

_id	caadria2016_259
id	caadria2016_259
authors	Chen, Jia-Yih and Shao-Chu Huang
year	2016
title	Adaptive Building Facade Optimisation: An integrated Green-BIM approach
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. 259-268
doi	https://doi.org/10.52842/conf.caadria.2016.259
summary	This study focused on the optimal design of adaptive build- ing fac?ade for achieving better energy performance. Iterative fac?ade components design are studied between virtual and physical models with integrated tools of BIM, parametric design and sensor devices. The main objectives of this study are: (1) exploring systematic design process via the analysis of adaptive components in responsive fac?ade design; (2) developing compliance checking system for green building regulations; (3) developing optimization system for adaptive fac?ade design process. This paper demonstrated the integration of various digital design methods and concluded with the energy modelling re- sults of a demo project unit for various fac?ade component designs.
keywords	Building fac?ade design; energy performance; design optimization; parametric design; BIM
series	CAADRIA
email
last changed	2022/06/07 07:55

_id	ecaade2016_113
id	ecaade2016_113
authors	Poinet, Paul, Baharlou, Ehsan, Schwinn, Tobias and Menges, Achim
year	2016
title	Adaptive Pneumatic Shell Structures - Feedback-driven robotic stiffening of inflated extensible membranes and further rigidification for architectural applications
source	Herneoja, Aulikki; Toni Österlund and Piia Markkanen (eds.), Complexity & Simplicity - Proceedings of the 34th eCAADe Conference - Volume 1, University of Oulu, Oulu, Finland, 22-26 August 2016, pp. 549-558
doi	https://doi.org/10.52842/conf.ecaade.2016.1.549
wos	WOS:000402063700060
summary	The paper presents the development of a design framework that aims to reduce the complexity of designing and fabricating free-form inflatables structures, which often results in the generation of very complex geometries. In previous research the form-finding potential of actuated and constrained inflatable membranes has already been investigated however without a focus on fabrication (Otto 1979). Consequently, in established design-to-fabrication approaches, complex geometry is typically post-rationalized into smaller parts and are finally fabricated through methods, which need to take into account cutting pattern strategies and material constraints. The design framework developed and presented in this paper aims to transform a complex design process (that always requires further post-rationalization) into a more integrated one that simultaneously unfolds in a physical and digital environment - hence the term cyber-physical (Menges 2015). At a full scale, a flexible material (extensible membrane, e.g. latex) is actuated through inflation and modulated through additive stiffening processes, before being completely rigidified with glass fibers and working as a thin-shell under compression.
keywords	pneumatic systems; robotic fabrication; feedback strategy; cyber-physical; scanning processes
series	eCAADe
email
last changed	2022/06/07 08:00

_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	caadria2016_055
id	caadria2016_055
authors	An, Seyun; Yountaik Leem, Soyeon Kim and Sangho Lee
year	2016
title	A Study of Media Façade Service Design for Promotion of Local Community
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. 55-62
doi	https://doi.org/10.52842/conf.caadria.2016.055
summary	This research was progressed as a media fac?ade service de- sign research for the development of a residential U-city experiencing zone in the Sejong City.
keywords	Media fac?ade; community; service design; U-City; Sejong C!ty
series	CAADRIA
email
last changed	2022/06/07 07:54

_id	ecaade2016_027
id	ecaade2016_027
authors	Carl, Timo and Stepper, Frank
year	2016
title	"Free Skin" Collaboration - Negotiating complex design criteria across different scales with an interdisciplinary student team
source	Herneoja, Aulikki; Toni Österlund and Piia Markkanen (eds.), Complexity & Simplicity - Proceedings of the 34th eCAADe Conference - Volume 1, University of Oulu, Oulu, Finland, 22-26 August 2016, pp. 591-600
doi	https://doi.org/10.52842/conf.ecaade.2016.1.591
wos	WOS:000402063700064
summary	The complex nature of architecture requires often planning teams with specialists from multiple disciplines. Architectural education however, addresses this interdisciplinary modus operandi rarely. This paper presents the design and production process of a real world solar façade installation realized at the University of Kassel to illustrating the potentials of such an approach. Interdisciplinary teamwork allowed students not only to solve complex problems, but also to produce knowledge and to advance into design research. Student exploration resulted in a unique fabrication technique, combining tensile fabric and resin to facilitate the fabrication of multifunctional, monocoque shells; combining all necessary technical components in a single building element. This paper discusses the success of student collaboration and teaching strategies for key parts of the design process at different scales. Moreover, it highlights the importance of physical form-finding models and an analogue - digital workflow for collaborative communication. The Free Skin project offers both insight into applied use of interdisciplinary teamwork, and a proposal for incorporating such collaboration into architectural education.
keywords	interdisciplinary collaboration; design-build; form-finding; reactive design; shell structures
series	eCAADe
email
last changed	2022/06/07 07:54

_id	ecaade2016_007
id	ecaade2016_007
authors	ElGhazi, Yomna Saad and Mahmoud, Ayman Hassaan Ahmed
year	2016
title	Origami Explorations - A Generative Parametric Technique For kinetic cellular façade to optimize Daylight Performance
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. 399-408
doi	https://doi.org/10.52842/conf.ecaade.2016.2.399
wos	WOS:000402064400039
summary	At present the kinetics is basic, but there is no doubt that research into the field of responsive building facades will continue, to find more sophisticated design and technical solutions. This research explores the possibilities of kinetic composition afforded by Origami different techniques using squared module. Origami and paper pleating techniques are one of the conceptual design approaches from which Kinetics can be developed. The paper examines the possibilities of different arrangements of folded modules to create environmental efficient kinetic morphed skins. The paper aims to achieve different Kinetic origami-based shading screens categorized by series of parameters to provide appropriate daylighting. The main tested parameters are the form of Origami folds, the module size and motion scenarios. Ten origami cases where explored first using conceptual folded paper maquette modules, then parametrically modelled and simulated at four times of the year, 21st of March, June, September and December, taken every hour of the working day.
keywords	Kinetic cellular façade; Origami; Parametric modelling; Parametric simulations; Daylighting performance.
series	eCAADe
email
last changed	2022/06/07 07:55

_id	acadia16_12
id	acadia16_12
authors	Gerber, David Jason; Pantazis, Evangelos
year	2016
title	A Multi-Agent System for Facade Design: A design methodology for Design Exploration, Analysis and Simulated Robotic Fabrication
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. 12-23
doi	https://doi.org/10.52842/conf.acadia.2016.012
summary	For contemporary design practices, there still remains a disconnect between design tools used for early stage design exploration and performance analysis, and those used for fabrication and construction of complex tectonic architectural systems. The research brings forward downstream fabrication constraints into the up-stream design exploration and design decision making. This paper addresses the issues of developing an integrated digital design work-flow and details a research framework for the incorporation of environmental performance into a robotic fabrication for early stage design exploration and generation of intricate and complex alternative façade designs. The method allows the user to import a design surface, define design parameters, set a number of environmental performance objectives, and then simulate and select a robotic construction strategy. Based on these inputs, design alternatives are generated and evaluated in terms of their performance criteria in consideration of their robotically simulated constructability. In order to validate the proposed framework, an experimental case study of office building façade designs that are generatively created from a multi-agent system for design methodology is design explored and evaluated. Initial results define a heuristic function for improving simulated robotic constructability and illustrate the functionality of our prototype. Project limitations and future research steps are then discussed.
keywords	generative design, multi-objective design optimization, robotic fabrication, simulation, design performance, design decision making
series	ACADIA
type	paper
email
last changed	2022/06/07 07:51

_id	acadia16_270
id	acadia16_270
authors	Korner, Axel; Mader, Anja; Saffarian, Saman; Knippers, Jan
year	2016
title	Bio-Inspired Kinetic Curved-Line Folding for Architectural Applications
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.270-279
doi	https://doi.org/10.52842/conf.acadia.2016.270
summary	This paper discusses the development of a bio-inspired compliant mechanism for architectural applications and explains the methodology of investigating movements found in nature. This includes the investigation of biological compliant mechanisms, abstraction, and technical applications using computational tools such as finite element analysis (FEA). To demonstrate the possibilities for building envelopes of complex geometries, procedures are presented to translate and alter the disclosed principles to be applicable to complex architectural geometries. The development of the kinetic façade shading device flectofold, based on the biological role-model Aldrovanda vesiculosa, is used to demonstrate the process. The following paper shows results of FEA simulations of kinetic curved-line folding mechanisms with pneumatic actuation and provides information about the relationship between varying geometric properties (e.g. curved-line fold radii) and multiple performance metrics, such as required actuation force and structural stability.
keywords	composite forming process, form-finding, biomimetics and biological design, embedded responsiveness
series	ACADIA
type	paper
email
last changed	2022/06/07 07:51

_id	ascaad2016_018
id	ascaad2016_018
authors	Mallasi, Zaki
year	2016
title	Integrating Physical and Digital Prototypes Using Parametric Bim in the Pursuit of Kinetic Façade
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. 155-168
summary	Architectural facades are designed to respond to environmental, social and functional considerations among others. Advancements in Digital Design Computation (DDC) emerged as an essential support for exploring and creating contemporary architectural facades. Current research into responsive kinetic facade suggests different methods of integrating kinetics into physical facade. However, research indicates that physical façades struggle to achieve the anticipated kinetic responses. In addition, the process is formal, prescribed, lacks flexibility and mostly assists the designer in the visualization of design. Consequently, the challenges in understanding the creative process that mediates between digital/physical kinetics are important to address in the early design stage. Digital and physical façade prototypes would allow designers to test the qualities of such system before constructing full size mock-ups and discover new modes of parametric design thinking in architecture.
series	ASCAAD
email
last changed	2017/05/25 13:31

_id	ecaade2016_042
id	ecaade2016_042
authors	Narangerel, Amartuvshin, Lee, Ji-Hyun and Stouffs, Rudi
year	2016
title	Daylighting Based Parametric Design Exploration of 3D Facade Patterns
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. 379-388
doi	https://doi.org/10.52842/conf.ecaade.2016.2.379
wos	WOS:000402064400037
summary	A building façade plays an important role of reducing artificial lighting by introducing natural light into the interior space. A majority of research and current technology heavily focuses on the optimization of window properties such as the size, location, and glazing with the consideration of external shading device as well as the building wall in order to obtain appropriate natural lit space. In the present work, we propose a 3-dimensional approach that can explore the trade-offs between two objectives, daylight performance and electricity generation, by means of paramedic modeling and multi-objective optimization algorithm. The case study was simulated under the environmental setting of the geographical location of Incheon, Korea without any urban context. Using the proposed methods, 50 pareto-front optimal solutions were derived and investigated based on the achieved daylighting and generated electricity.
keywords	Parametric design; façade design; daylight performance; building-integrated photovoltaics; multi-objective optimization
series	eCAADe
email
last changed	2022/06/07 07:58

_id	sigradi2016_695
id	sigradi2016_695
authors	Stofella, Arthur; Bertoli, Luiza Figueredo;Vaz, Carlos Eduardo Verzola; Kós, José Ripper
year	2016
title	O desenvolvimento de um sistema de proteç?o de fachadas cinéticos: um protótipo responsivo ao comportamento do usuário [Developing a kinect façade protection system: a prototype responsive to the user behaviour]
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.550-555
summary	This article presents the new results of a work originally prepared by undergraduate students of the Federal University of Pernambuco that developed a functional physical prototype of a responsive façade. At first, the system only changed itself accordingly to the modifications of the environmental parameters, such as temperature, humidity and luminosity. In this new research stage, a simplified version of the façade was developed to make the system responsive to the behaviour of those who are using the indoor spaces of buildings. The physical prototype was built with LEDs that represent the actuators responsible for modifying the position of the responsive façade parts, and the Kinect’s motion sensor was used to capture the human behaviour. The prototype here presented was developed with simple, easy to acquire materials, making it an element that can be easily reproduced and employed as an educational tool of automation applied to architecture.
keywords	Responsive design, human activities, computer vision
series	SIGRADI
email
last changed	2021/03/28 19:59

_id	caadria2016_167
id	caadria2016_167
authors	Su, Hsiu-Pai and Sheng-Fen Chien
year	2016
title	Revealing Patterns: Using parametric design patterns in building façade design workflow
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. 176-176
doi	https://doi.org/10.52842/conf.caadria.2016.176
summary	The objective of this paper is to provide a way of viewing design knowledge imbedded in the design workflow. By reviewing known design projects, we have observed common occurrences of de- sign patterns in different stages of parametric fac?ade design workflow. We demonstrate the application of parametric design patterns in prac- tices as preliminary studies of forming a pattern language of paramet- ric design.
keywords	Design pattern; parametric design; fac?ade design
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	caadria2016_197
id	caadria2016_197
authors	Zavoleas, Yannis
year	2016
title	The biological model and the bio-type: Dynamic simulation tools defining architectural components
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. 197-206
doi	https://doi.org/10.52842/conf.caadria.2016.197
summary	Architecture has shown a recurring interest on themes of biological origin, especially since the early days of modernism. With the advent of computation, the related discourse has been enriched with new analogies, in particular when biological systems are de- scribed by algorithmic formulas and their parametric functions are in- spected with the assistance of simulation tools. An understanding of the architectural object with reference to biology offers breaking from typological preconceptions about form in favour of its operational character supporting organic behaviour, so to speak. In reflection, the present paper puts under scrutiny architectural components such as fa- c?ade, wall, window, opening, support structure and circulation viewed as topological references also in analogy to biological notions such as skin, membrane, cell, bone structure, energy flows and the nervous system. Form becomes the dynamic effect of forces; a system that manages energy trades being the primary cause of its own shape.
keywords	System; parametricism; type; topology; bio-structuralism
series	CAADRIA
email
last changed	2022/06/07 07:57

_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	ecaade2016_164
id	ecaade2016_164
authors	Dobiesz, Sebastian and Grajper, Anna
year	2016
title	Animating the Static. Case Study of The Project "Urbanimals" - Enhancing play in the cities through an augmented and interactive environment
source	Herneoja, Aulikki; Toni Österlund and Piia Markkanen (eds.), Complexity & Simplicity - Proceedings of the 34th eCAADe Conference - Volume 1, University of Oulu, Oulu, Finland, 22-26 August 2016, pp. 691-700
doi	https://doi.org/10.52842/conf.ecaade.2016.1.691
wos	WOS:000402063700074
summary	This article delineates the process of developing the project "Urbanimals" - an interactive installation designed and realised in Bristol, UK, in 2015. As the case study research, it draws attention to the difficulties in designing interactive structures in urban spaces - from an architects' idea to a construction stage. There are four areas that are being investigated: (1) Modelling interactions, (2) Negotiating locations and logistics, (3) Developing hardware and (4) Performing the on-site observations. The project draws from the idea of Smart City (SC) as the concept of the urban environment with a certain level of responsiveness through implementing a technology-driven matter that expands city offer perceivable, but gentle and not hindering way. It highlights the possible applications of projection technology and the utilisation of the 3D modelling software which provides complex tools for creating animations, movements and interactions with future users. The article gives clues how to design more engaging interactions and how to deal with implementing them in public realm.
keywords	Smart Cities; Interactive Architecture; public realm; art installations
series	eCAADe
email
last changed	2022/06/07 07:55

_id	cdrf2023_526
id	cdrf2023_526
authors	Eric Peterson, Bhavleen Kaur
year	2023
title	Printing Compound-Curved Sandwich Structures with Robotic Multi-Bias Additive Manufacturing
source	Proceedings of the 2023 DigitalFUTURES The 5st International Conference on Computational Design and Robotic Fabrication (CDRF 2023)
doi	https://doi.org/https://doi.org/10.1007/978-981-99-8405-3_44
summary	A research team at Florida International University Robotics and Digital Fabrication Lab has developed a novel method for 3d-printing curved open grid core sandwich structures using a thermoplastic extruder mounted on a robotic arm. This print-on-print additive manufacturing (AM) method relies on the 3d modeling software Rhinoceros and its parametric software plugin Grasshopper with Kuka-Parametric Robotic Control (Kuka-PRC) to convert NURBS surfaces into multi-bias additive manufacturing (MBAM) toolpaths. While several high-profile projects including the University of Stuttgart ICD/ITKE Research Pavilions 2014–15 and 2016–17, ETH-Digital Building Technologies project Levis Ergon Chair 2018, and 3D printed chair using Robotic Hybrid Manufacturing at Institute of Advanced Architecture of Catalonia (IAAC) 2019, have previously demonstrated the feasibility of 3d printing with either MBAM or sandwich structures, this method for printing Compound-Curved Sandwich Structures with Robotic MBAM combines these methods offering the possibility to significantly reduce the weight of spanning or cantilevered surfaces by incorporating the structural logic of open grid-core sandwiches with MBAM toolpath printing. Often built with fiber reinforced plastics (FRP), sandwich structures are a common solution for thin wall construction of compound curved surfaces that require a high strength-to-weight ratio with applications including aerospace, wind energy, marine, automotive, transportation infrastructure, architecture, furniture, and sports equipment manufacturing. Typical practices for producing sandwich structures are labor intensive, involving a multi-stage process including (1) the design and fabrication of a mould, (2) the application of a surface substrate such as FRP, (3) the manual application of a light-weight grid-core material, and (4) application of a second surface substrate to complete the sandwich. There are several shortcomings to this moulded manufacturing method that affect both the formal outcome and the manufacturing process: moulds are often costly and labor intensive to build, formal geometric freedom is limited by the minimum draft angles required for successful removal from the mould, and customization and refinement of product lines can be limited by the need for moulds. While the most common material for this construction method is FRP, our proof-of-concept experiments relied on low-cost thermoplastic using a specially configured pellet extruder. While the method proved feasible for small representative examples there remain significant challenges to the successful deployment of this manufacturing method at larger scales that can only be addressed with additional research. The digital workflow includes the following steps: (1) Create a 3D digital model of the base surface in Rhino, (2) Generate toolpaths for laminar printing in Grasshopper by converting surfaces into lists of oriented points, (3) Generate the structural grid-core using the same process, (4) Orient the robot to align in the direction of the substructure geometric planes, (5) Print the grid core using MBAM toolpaths, (6) Repeat step 1 and 2 for printing the outer surface with appropriate adjustments to the extruder orientation. During the design and printing process, we encountered several challenges including selecting geometry suitable for testing, extruder orientation, calibration of the hot end and extrusion/movement speeds, and deviation between the computer model and the physical object on the build platen. Physical models varied from their digital counterparts by several millimeters due to material deformation in the extrusion and cooling process. Real-time deviation verification studies will likely improve the workflow in future studies.
series	cdrf
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last changed	2024/05/29 14:04

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