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	ecaade2015_247
id	ecaade2015_247
authors	Garcia, Manuel Jimenez and Retsin, Gilles
year	2015
title	Design Methods for Large Scale Printing
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. 331-339
doi	https://doi.org/10.52842/conf.ecaade.2015.2.331
wos	WOS:000372316000039
summary	With an exponential increase in the possibilities of computation and computer-controlled fabrication, high density information is becoming a reality in digital design and architecture. However, construction methods and industrial fabrication processes have not yet been reshaped to accommodate the recent changes in those disciplines. Although it is possible to build up complex simulations with millions of particles, the simulation is often disconnected from the actual fabrication process. Our research proposes a bridge between both stages, where one drives the other, producing a smooth transition from design to production. A particle in the digital domain becomes a drop of material in the construction method.The architect's medium of expression has become much more than a representational tool in the last century, and more recently it has evolved even beyond a series of rules to drive from design to production. The design system is the instruction itself; embedding structure, material and tectonics and gets delivered to the very end of the construction chain, where it gets materialised. The research showcased in this paper investigates tectonic systems associated with large scale 3D printing and additive manufacturing methods, inheriting both material properties and fabrication constraints at all stages from design to production. Computational models and custom design software packages are designed and developed as strategies to organise material in space in response to specific structural and logistical input.Although the research has developed a wide spectrum of 3D printing methods, this paper focuses only on two of the most recent projects, where different material and computational logics were investigated. The first, titled Filamentrics, intends to develop free-form space frames, overcoming their homogeneity by introducing robotic plastic extrusion. Through the use of custom made extruders a vast range of high resolution prototypes were developed, evolving the design process towards the fabrication of precise structures that can be materialised using additive manufacturing but without the use of a layered 3D printing method. Instead, material limitations were studied and embedded in custom algorithms that allow depositing material in the air for internal connectivity. The final result is a 3x2x2.5m structure that demonstrates the viability of this construction method for being implemented in more industrial scenarios.While Filamentrics is reshaping the way we could design and build light weight structures, the second project Microstrata aims to establish new construction methods for compression based materials. A layering 3D printing method combines both the deposition of the binder and the distribution of an interconnected network of capillaries. These capillaries are organised following structural principles, configuring a series of channels which are left empty within the mass. In a second stage aluminium is cast in this hollow space to build a continuous tension reinforcement.
series	eCAADe
type	normal paper
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=07a6d8e0-6fe7-11e5-9994-cb14cd908012
last changed	2022/06/07 07:51

_id	sigradi2015_10.74
id	sigradi2015_10.74
authors	Angulo, Antonieta; Velasco, Guillermo Vásquez de
year	2015
title	Virtual Sketching: Instructional Low Resolution Virtual Reality Simulations
source	SIGRADI 2015 [Proceedings of the 19th Conference of the Iberoamerican Society of Digital Graphics - vol. 2 - ISBN: 978-85-8039-133-6] Florianópolis, SC, Brasil 23-27 November 2015, pp. 506-513.
summary	This research paper describes the implementation of virtual reality immersive simulation studios in academia, facilitated by the use of the “Virtual Sketching Method” (VSM). The VSM allows the basic expression of architectural forms and the perceptual experience of interior and exterior spaces. It fosters simulations based on render-less (low resolution) visualization in contrast to other simulation workflows based on render-more (high resolution) visualization techniques. It bridges between different types of media and supports iterative cycles of formulation, prototyping, and assessment. The paper reports on students’ learning outcomes and their qualitative correlation with the VSM usability and effectiveness in design learning.
keywords	Virtual Reality, Immersive Simulation, Spatial Design, Virtual Sketching, Design Instruction
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	acadia15_123
id	acadia15_123
authors	Askarinejad, Ali; Chaaraoui, Rizkallah
year	2015
title	Spatial Nets: the Computational and Material Study of Reticular Geometries
source	ACADIA 2105: Computational Ecologies: Design in the Anthropocene [Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-53726-8] Cincinnati 19-25 October, 2015), pp. 123-135
doi	https://doi.org/10.52842/conf.acadia.2015.123
summary	Reticular systems are in many aspects a distinct taxonomy of volumetric geometries. In comparison with the conventional embodiment of a ‘volume’ that encapsulates a certain quantity of space with a shell reticular geometries emerge from the accumulation of micro elements to define a gradient of space. Observed in biological systems, such structures result from their material properties and formation processes as well as often ‘simple’ axioms that produce complex results. In micro or macro levels, from forest tree canopies to plant cell walls these porous volumes are not shaped to have a singular ‘solution’ for a purpose; they provide the fundamental geometric characteristics of a ‘line cloud’ that is simultaneously flexible in response to its environment, porous to other systems (light, air, liquids) and less susceptible to critical damage. The porosity of such systems and their volumetric depth also result in kinetic spatial qualities in a 4D architectural space. Built upon a ‘weaving’ organization and the high performance material properties of carbon fiber composite, this research focuses on a formal grammar that initiates the complex system of a reticular volume. A finite ‘lexical’ axiom is consisted of the basic characters of H, M and L responding to the anchor points on the highest, medium and lower levels of the extruding loom. The genome thus produces a string of data that in the second phase of programming are assigned to 624 points on the loom. The code aims to distribute the nodes across the flat line cloud and organize the sequence for the purpose of overlapping the tensioned strings. The virtually infinite results are then assessed through an evolutionary solver for confining an array of favorable results that can be then selected from by the designer. This research focuses on an approximate control over the fundamental geometric characteristics of a reticular system such as node density and directionality. The proposal frames the favorable result of the weave to be three-dimensional and volumetric – avoiding distinctly linear or surface formations.
keywords	Reticular Geometries, Weaving, Line Clouds, Three-dimensional Form-finding, Carbon fiber, Prepreg composite, Volumetric loom, Fiberous Materials, Weaving fabrication, Formal Language, Lexical design, Evolutionary solver
series	ACADIA
type	normal paper
email
last changed	2022/06/07 07:54

_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	ecaade2015_21
id	ecaade2015_21
authors	Klemmt, Christoph and Bollinger, Klaus
year	2015
title	Cell-Based Venation Systems
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. 573-580
doi	https://doi.org/10.52842/conf.ecaade.2015.2.573
wos	WOS:000372316000064
summary	Venation structures in leaves fulfil both circulatory as well as structural functions within the organism they belong to. A possible digital simulation algorithm for the growth of venation patterns based on the leaf surface has been described by the Department of Computer Science at the University of Calgary.Cell-based growth algorithms to generate surface meshes have been developed by biological and medical scientists as well as artists, in order to gain an understanding of developmental biology or to generate artistic form. This paper suggests the combination of the two algorithms in order to generate the morphologies of leaves and other structures while at the same time generating the corresponding venation system.The resulting algorithm develops large non-manifold mesh structures based on local rules of division of the individual cells. The venation system develops in parallel based on the flow of the plant hormone auxin from those cells towards the start point or petiole of the leaf. Different local behaviours of the cells towards their adjacent neighbours, towards their rules of division and towards the rules of developing veins have been investigated. The eventual aim of the algorithms is their application as tools to develop architectural and structural morphologies.
series	eCAADe
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=29c4389a-6e8f-11e5-8666-279b88fbd56c
last changed	2022/06/07 07:52

_id	ecaade2015_139
id	ecaade2015_139
authors	Krietemeyer, Bess and Rogler, Kurt
year	2015
title	Real-Time Multi-Zone Building Performance Impacts of Occupant Interaction with Dynamic Façade Systems
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. 669-678
doi	https://doi.org/10.52842/conf.ecaade.2015.2.669
wos	WOS:000372316000074
summary	Recent developments in responsive electroactive materials are increasing the rate at which next-generation façade technologies can respond to environmental conditions, building energy demands, and the actions of building occupants. Simulating the real-time performance of dynamic façade systems is critical for understanding the impacts that occupant response will have on whole-building energy performance and architectural design. This paper describes a method for real-time analysis of the multi-zone building performance impacts of occupant interaction with a dynamic façade system, the Electroactive Dynamic Display System (EDDS). The objective is to optimize EDDS implementation and define system limitations, incorporate EDDS as a dynamic factor in multi-zone building energy analyses, and provide real-time feedback of building performance data based on environmental conditions and occupant interactions. Preliminary results of parametric simulation methods demonstrate the ability of dynamic façade systems to consider real-time occupant interaction in the analysis of daylighting and thermal performance of buildings.
series	eCAADe
email
last changed	2022/06/07 07:51

_id	ecaade2015_225
id	ecaade2015_225
authors	Orfanos, Yannis; Papadopoulos, Dimitrios and Zwerlein, Cory
year	2015
title	An Integrated Performance Analysis Platform for Sustainable Architecture and Urban Infrastructure Systems
source	Martens, B, Wurzer, G, Grasl T, Lorenz, WE and Schaffranek, R (eds.), Real Time - Proceedings of the 33rd eCAADe Conference - Volume 1, Vienna University of Technology, Vienna, Austria, 16-18 September 2015, pp. 315-324
doi	https://doi.org/10.52842/conf.ecaade.2015.1.315
wos	WOS:000372317300034
summary	This applied research brings together the performance analysis of a building's micro-scale and urban-infrastructure's macro-scale. A New York City lot, is serving as the background of experimentation with parametric design, performance simulation, data analysis and visualization. The paper describes the process of integrating design intentions, location parameters, climate data, material properties, and space quality and sustainability metrics into one platform. Although in-depth domain knowledge is irreplaceable, the paper argues that the exploration into contemporary, easily accessible and algorithmic simulation software, provides a unique educational opportunity for architects and students to integrate performance driven design in their every-day practice, and become aware of the consequences of their design on urban infrastructure systems. This allows them to reduce the time frame between design iterations and performance evaluation for the benefit of better informed decisions.
series	eCAADe
type	normal paper
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=91bbabd6-702e-11e5-a0f9-b7d7d9e4ecfd
last changed	2022/06/07 08:00

_id	ijac201513203
id	ijac201513203
authors	Velikov, Kathy; Geoffrey Thün, Mary O’Malley, and Lars Junghans
year	2015
title	Computational and Physical Modeling for Multi-Cellular Pneumatic Envelope Assemblies
source	International Journal of Architectural Computing vol. 13 - no. 2, 143-169
summary	This article describes recent research on the performative, formal and aesthetic potentials of multicellular pneumatic foil-based envelope systems for lightweight, responsive building skins able to control thermal insulation and air exchange with minimal amounts of energy and mechanical components. The prototype-based research involves the use of principles from biological examples of pneus, which inform the design of physical analogue models at an architectural scale. The process entails physical-computational feedback loops wherein physical performance findings are fed into computational design models for pneumatics and membranes, as well as modified energy models, in order to advance the predictive design capacities of simulation tools in designing such systems. In this process, material agency allies with computational agency to develop novel possibilities for dynamic pneumatic envelopes.
series	journal
last changed	2019/05/24 09:55

_id	caadria2015_092
id	caadria2015_092
authors	Wu, Chengde; Henan Li and Wei Yan
year	2015
title	Fatal Fire Risk Checking for Residential Building Design
source	Emerging Experience in Past, Present and Future of Digital Architecture, Proceedings of the 20th International Conference of the Association for Computer-Aided Architectural Design Research in Asia (CAADRIA 2015) / Daegu 20-22 May 2015, pp. 303-312
doi	https://doi.org/10.52842/conf.caadria.2015.303
summary	Building fire puts great threat on people’s lives and causes huge numbers of fatalities each year. In 2007, total fire death in the United States alone was 3,430. The number of fatalities is distributed among residential 75.5%, non-residential 3.6%, vehicle 16.7%, outside 1.6%, and other 2.6%. Although much research has been done on building fire simulation to support designing safer buildings, all simulation systems currently available are focused on major factors in non-residential buildings such as bottlenecks, arching, pushing, etc. Residential building fires and non-residential fires are very different in many aspects. Therefore simulation systems focused on non-residential buildings have little effects on residential buildings. In this research, we analysed major factors causing deaths in residential building fires, and filtered out building design related factors. We then developed a system which shows the risk of fatal fire in residential building designs. This system is expected to help architects to easily detect potential risks of fatal fire and design safer residential buildings.
keywords	Residential building fire; fire simulation; Building Information Modelling.
series	CAADRIA
email
last changed	2022/06/07 07:57

_id	ecaade2015_235
id	ecaade2015_235
authors	Ahmar, Salma El and Fioravanti, Antonio
year	2015
title	Biomimetic-Computational Design for Double Facades in Hot Climates - A Porous Folded Façade for Office Buildings
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. 687-696
doi	https://doi.org/10.52842/conf.ecaade.2015.2.687
wos	WOS:000372316000076
summary	Biomimetic design is an approach that is gaining momentum among architects and designers. Computational design and performance simulation software represent powerful tools that help in applying biomimetic ideas in architectural design and in understanding how such proposals would behave. This paper addresses the challenge of reducing cooling loads while trying to maintain daylight needs of office buildings in hot climatic regions. Specifically, it focuses on double skin facades whose application in hot climates is somewhat controversial. Ideas from nature serve as inspiration in designing a porous, folded double façade for an existing building, aiming at increasing heat lost by convection in the façade cavity as well as reducing heat gained by radiation. The cooling loads and daylight autonomy of an office room are compared before and after the proposed design to evaluate its performance.
series	eCAADe
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=f87306fc-6e90-11e5-845a-00190f04dc4c
last changed	2022/06/07 07:54

_id	sigradi2015_8.81
id	sigradi2015_8.81
authors	Alvarado, Rodrigo García; Lobos, Danny; Nope, Alberto; Tinapp, Frank
year	2015
title	BIM + UAV Assessment of Roofs’ Solar Potential
source	SIGRADI 2015 [Proceedings of the 19th Conference of the Iberoamerican Society of Digital Graphics - vol. 1 - ISBN: 978-85-8039-135-0] Florianópolis, SC, Brasil 23-27 November 2015, pp. 336-340.
summary	This paper describes a novel method for determining the capacity to generate solar energy integrated into the roofs of buildings by aerial survey using UAVs and BIM models for sizing the covering surfaces and integration of solar panels. Various digital procedures are enchained like planning of trajectories, image processing, geometric reconstitution, simulation of solar radiation and calculation of energy generation to promote on-site installation of clean energy sources in existing buildings, to ensure a more sustainable habitat.
keywords	BIM, UAV, Solar Energy, Sustainable Building
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	acadia15_357
id	acadia15_357
authors	Ashour, Yassin; Kolarevic, Branko
year	2015
title	Heuristic Optimization in Design
source	ACADIA 2105: Computational Ecologies: Design in the Anthropocene [Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-53726-8] Cincinnati 19-25 October, 2015), pp. 357-369
doi	https://doi.org/10.52842/conf.acadia.2015.357
summary	This paper presents a workflow called the ‘heuristic optimization workflow’ that integrates Octopus, a Multi-Objective Optimization (MOO) engine with Grasshopper3D, a parametric modeling tool, and multiple simulation software. It describes a process that enables the designer to integrate disparate domains via Octopus and complete a feedback loop with the developed interactive, real-time visualization tools. A retrospective design of the Bow Tower in Calgary is used as a test case to study the impact of the developed workflow and tools, as well as the impact of MOO on the performance of the solutions. The overall workflow makes MOO based results more accessible to designers and encourages a more interactive ‘heuristic’ exploration of various geometric and topological trajectories. The workflow also reduces design decision uncertainty and design cycle latency through the incorporation of a feedback loop between geometric models and their associated quantitative data. It is through the juxtaposition of extreme performing solutions that serendipity is created and the potential for better multiple performing solutions is increased.es responsive systems, which focus on the implementation of multi-objective adaptive design prototypes from sensored environments. The intention of the work is to investigate multi-objective criteria both as a material system and as a processing system by creating prototypes with structural integrity, where the thermal energy flow through the prototype, to be understood as a membrane, can be controlled and the visual transparency altered. The work shows performance based feedback systems and physical prototype models driven by information streaming, screening, and application.
keywords	Multi-Objective Optimization, Generative Design, Performance-Based Design
series	ACADIA
type	normal paper
email
last changed	2022/06/07 07:54

_id	ecaade2015_100
id	ecaade2015_100
authors	Braumann, Johannes and Brell-Cokcan, Sigrid
year	2015
title	Adaptive Robot Control - New Parametric Workflows Directly from Design to KUKA Robots
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. 243-250
doi	https://doi.org/10.52842/conf.ecaade.2015.2.243
wos	WOS:000372316000029
summary	In the past years the creative industry has made great advancements in the area of robotics. Accessible robot simulation and control environments based on visual programming systems such as Grasshopper and Dynamo now allow even novice users to quickly and intuitively explore the potential of robotic fabrication, while expert users can use their programming knowledge to create complex, parametric robotic programs. The great advantage of using visual programming for robot control lies in the quick iterations that allow the user to change both geometry and toolpaths as well as machinic parameters and then simulate the results within a single environment. However, at the end of such an iterative optimization process the data is condensed into a robot control data file, which is then copied over to the robot and thus loses its parametric relationship with the code that generated it. In this research we present a newly developed system that allows a dynamic link between the robot and the controlling PC for parametrically adjusting robotic toolpaths and collecting feedback data from the robot itself - enabling entirely new approaches towards robotic fabrication by even more closely linking design and fabrication.
series	eCAADe
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=9d9da7bc-70ef-11e5-b2fd-efbb508168fd
last changed	2022/06/07 07:54

_id	cf2015_331
id	cf2015_331
authors	Brodeschi, Michal; Pilosof, Nirit Putievsky and Kalay, Yehuda E.
year	2015
title	The definition of semantic of spaces in virtual built environments oriented to BIM implementation
source	The next city - New technologies and the future of the built environment [16th International Conference CAAD Futures 2015. Sao Paulo, July 8-10, 2015. Electronic Proceedings/ ISBN 978-85-85783-53-2] Sao Paulo, Brazil, July 8-10, 2015, pp. 331-346.
summary	The BIM today can be a provider of inputs to performance analysis of different phenomena such as thermal comfort, energy consumption or winds. All these assessments are fundamental to the post occupation of the building. The attainment of approximate information of how the future building would behave under these conditions will reduce the waste of materials and energy resources. The same idea is used for evaluating the users occupation. Through simulation of human behavior is possible to evaluate which design elements can be improved. In complex structures such as hospital buildings or airports is quite complex for architects to determine optimal design solutions based on the tools available nowadays. These due to the fact users are not contemplated in the model. Part of the data used for the simulation can be derived from the BIM model. The three-dimensional model provides parametric information, however are not semantically enriched. They provide parameters to elements but not the connection between them, not the relationship. It means that during a simulation Virtual Users can recognize the elements represented in BIM models, but not what they mean, due to the lack of semantics. At the same time the built environment may assume different functions depending on the physical configuration or activities that are performed on it. The status of the space may reveal differences and these changes occur constantly and are dynamic. In an initial state, a room can be noisy and a moment later, quiet. This can determine what type of activities the space can support according to each change in status. In this study we demonstrate how the spaces can express different semantic information according to the activity performed on it. The aim of this paper is to simulate the activities carried out in the building and how they can generate different semantics to spaces according to the use given to it. Then we analyze the conditions to the implementation of this knowledge in the BIM model.
keywords	BIM, Virtual Sensitive Environments, Building Use Simulation, Semantics.
series	CAAD Futures
email
last changed	2015/06/29 07:55

_id	acadia15_47
id	acadia15_47
authors	Chaaraoui, Rizkallah; Askarinejad, Ali
year	2015
title	Anisoptera; Anisopteran Deformation and the Latent Geometric Patterns of Wood Envelopes
source	ACADIA 2105: Computational Ecologies: Design in the Anthropocene [Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-53726-8] Cincinnati 19-25 October, 2015), pp. 47-56
doi	https://doi.org/10.52842/conf.acadia.2015.047
summary	Advancements in technologies provide Architects, today, with the means to expose new expressive forms using traditional materials. It is therefore possible to design dynamic actuating systems, where several different expressions, or differentiations inherent in the same material, are able to modify its topology and enhance its properties. Wood, traditionally used in construction, is given static expression during its life cycle, where an alignment, or assembly detail, helps retain its original shape. This research outlines the integration of specific and individual anatomical information of wood during the design process. It aids in utilizing the analyzed biological variability and natural irregularities of wood within a material-based architecture, in view of developing a lightweight, and light-filtering dynamic skin. Additionally, the research helps to explore an understanding of the differentiated material composition of wood as its major capacity, rather than its deficiency. Moreover, it analyzes form, material, and structure, as complex interrelations that are embedded in, and explored through an integral design process that seeks to employ typically disregarded, highly differentiated flat materials, in view of enhancing their latent dimensional deformation potential. The main focus of this research is to explore that latent geometric deformation of emerging patterns based on an array of heterogeneous wood veneers in relation to their Hygroscopic and Anisotropic properties. These properties are expressed through a set of flat skins and Mobius arrangements, articulating complex geometric ranges that reveal additional properties, such as bendability and flexibility.
keywords	Shape-shifting, Geometric patterns, Anisotropic, Hygroscopic, Open systems, Building envelope
series	ACADIA
type	normal paper
email
last changed	2022/06/07 07:55

_id	caadria2015_220
id	caadria2015_220
authors	Cheng, Nancy Y.; Mehrnoush Latifi Khorasgani, Nicholas Williams, Daniel Prohasky and Jane Burry
year	2015
title	Understanding Light in Building Skin Design
source	Emerging Experience in Past, Present and Future of Digital Architecture, Proceedings of the 20th International Conference of the Association for Computer-Aided Architectural Design Research in Asia (CAADRIA 2015) / Daegu 20-22 May 2015, pp. 323-332
doi	https://doi.org/10.52842/conf.caadria.2015.323
summary	This paper describes a design approach for discerning solar gain and assigning appropriate external shading devices. The approach includes a macro analysis locating where and when the building receives direct sunlight and locating desired interior daylighting; along with a micro analysis of how folded sun-shading motifs filter or block direct sunlight. The approach uses a collaborative analytical workflow with feedback from virtual and physical simulations informing design explorations. This iterative, reciprocating process is illustrated by student efforts to design shading structures for a building based on incident solar radiation. Designers begin with cutting and folding paper study models, then lasercut 2D tessellation patterns to create sculptural shading screens to be examined with a heliodon. Physical daylighting modeling reveals aesthetic opportunities to develop with parametric design. Motifs are then digitally modeled and analysed for shading effectiveness. Analysing the solar radiation of simple motifs helps beginners learn the software for subsequent urban situations. The efficacy of these simulations is discussed along with ways that the results could be interpreted to initiate design decisions for a building skin.
keywords	Solar simulation; collaborative design; folding surfaces; physical and digital simulation.
series	CAADRIA
email
last changed	2022/06/07 07:55

_id	ecaade2015_17
id	ecaade2015_17
authors	Conti, Zack Xuereb; Shepherd, Paul and Richens, Paul
year	2015
title	Multi-objective Optimisation of Building Geometry for Energy Consumption and View Quality
source	Martens, B, Wurzer, G, Grasl T, Lorenz, WE and Schaffranek, R (eds.), Real Time - Proceedings of the 33rd eCAADe Conference - Volume 1, Vienna University of Technology, Vienna, Austria, 16-18 September 2015, pp. 287-294
doi	https://doi.org/10.52842/conf.ecaade.2015.1.287
wos	WOS:000372317300031
summary	In property development, the view quality contributes significantly to the property value. In many cases, the architect is constrained by the property developer to take full advantage of the view by designing large glazed facades ignoring the consequence on the energy consumption of the building caused by the conflicting orientation of the view. This paper presents a design tool to help the architect interactively explore different building and window geometries that trade-off energy consumption (kWh) and view quality (€). This design tool allows interaction with parametric building geometry, simulation of energy consumption and view quality, and an optimisation search engine. The simulation of the view quality quantifies a view according to the visibility and quality of its contents by using a novel view-scoring method. The design tool is tested with both north-oriented and south-oriented views and produces a Pareto front from which resulting geometries are visualised.
series	eCAADe
email
more	https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=5681d860-702e-11e5-b00a-0bb98a953a02
last changed	2022/06/07 07:56

_id	caadria2017_031
id	caadria2017_031
authors	Crolla, Kristof, Williams, Nicholas, Muehlbauer, Manuel and Burry, Jane
year	2017
title	SmartNodes Pavilion - Towards Custom-optimized Nodes Applications in Construction
source	P. Janssen, P. Loh, A. Raonic, M. A. Schnabel (eds.), Protocols, Flows, and Glitches - Proceedings of the 22nd CAADRIA Conference, Xi'an Jiaotong-Liverpool University, Suzhou, China, 5-8 April 2017, pp. 467-476
doi	https://doi.org/10.52842/conf.caadria.2017.467
summary	Recent developments in Additive Manufacturing are creating possibilities to make not only rapid prototypes, but directly manufactured customised components. This paper investigates the potential for combining standard building materials with customised nodes that are individually optimised in response to local load conditions in non-standard, irregular, or doubly curved frame structures. This research iteration uses as a vehicle for investigation the SmartNodes Pavilion, a temporary structure with 3D printed nodes built for the 2015 Bi-City Biennale of Urbanism/Architecture in Hong Kong. The pavilion is the most recent staged output of the SmartNodes Project. It builds on the findings in earlier iterations by introducing topologically constrained node forms that marry the principals of the evolved optimised node shape with topological constraints imposed to meet the printing challenges. The 4m high canopy scale prototype structure in this early design research iteration represents the node forms using plastic Fused Deposition Modelling (FDM).
keywords	Digital Fabrication; Additive Manufacturing; File to Factory; Design Optimisation; 3D printing for construction
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	acadia17_202
id	acadia17_202
authors	Cupkova, Dana; Promoppatum, Patcharapit
year	2017
title	Modulating Thermal Mass Behavior Through Surface Figuration
source	ACADIA 2017: DISCIPLINES & DISRUPTION [Proceedings of the 37th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-96506-1] Cambridge, MA 2-4 November, 2017), pp. 202-211
doi	https://doi.org/10.52842/conf.acadia.2017.202
summary	This research builds upon a previous body of work focused on the relationship between surface geometry and heat transfer coefficients in thermal mass passive systems. It argues for the design of passive systems with higher fidelity to multivariable space between performance and perception. Rooted in the combination of form and matter, the intention is to instrumentalize design principles for the choreography of thermal gradients between buildings and their environment from experiential, spatial and topological perspectives (Figure 1). Our work is built upon the premise that complex geometries can be used to improve both the aesthetic and thermodynamic performance of passive building systems (Cupkova and Azel 2015) by actuating thermal performance through geometric parameters primarily due to convection. Currently, the engineering-oriented approach to the design of thermal mass relies on averaged thermal calculations (Holman 2002), which do not adequately describe the nuanced differences that can be produced by complex three-dimensional geometries of passive thermal mass systems. Using a combination of computational fluid dynamic simulations with physically measured data, we investigate the relationship of heat transfer coefficients related to parameters of surface geometry. Our measured results suggest that we can deliberately and significantly delay heat absorption re-radiation purely by changing the geometric surface pattern over the same thermal mass. The goal of this work is to offer designers a more robust rule set for understanding approximate thermal lag behaviors of complex geometric systems, with a focus on the design of geometric properties rather than complex thermal calculations.
keywords	design methods; information processing; physics; smart materials
series	ACADIA
email
last changed	2022/06/07 07:56

_id	cf2015_384
id	cf2015_384
authors	Cursi, Stefano; Simeone, Davide and Toldo, Ilaria
year	2015
title	A semantic web approach for built heritage representation
source	The next city - New technologies and the future of the built environment [16th International Conference CAAD Futures 2015. Sao Paulo, July 8-10, 2015. Electronic Proceedings/ ISBN 978-85-85783-53-2] Sao Paulo, Brazil, July 8-10, 2015, pp. 384.
summary	In a built heritage process, meant as a structured system of activities aimed at the investigation, preservation, and management of architectural heritage, any task accomplished by the several actors involved in it is deeply influenced by the way the knowledge is represented and shared. In the current heritage practice, knowledge representation and management have shown several limitations due to the difficulty of dealing with large amount of extremely heterogeneous data. On this basis, this research aims at extending semantic web approaches and technologies to architectural heritage knowledge management in order to provide an integrated and multidisciplinary representation of the artifact and of the knowledge necessary to support any decision or any intervention and management activity. To this purpose, an ontology-based system, representing the knowledge related to the artifact and its contexts, has been developed through the formalization of domain-specific entities and relationships between them.
keywords	Built Heritage, Knowledge-based model, Ontology-based systems, Building Information Modeling, Semantic web technologies.
series	CAAD Futures
email
last changed	2015/06/29 07:55

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