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 2006_868
id 2006_868
authors Becker, Mirco
year 2006
title Branches and Bifurcations - Building a framework for modeling with isosurfaces in Generative Components
source Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 868-873
summary An isosurface is a three-dimensional representation of a constant value of a field function within a given volume. They are normally used in computer graphics to visualize data in fluid dynamics, medical imaging, geophysics, and meteorology. The advantage of isosurfaces is that they can represent all sorts of topologies. That makes them a perfect tool for modeling, branching, forking, and bifurcating objects with smooth transitions. As they work of a field function, the surface is implicit, the polygonization an approximation. This is a good base for coupling performance with precision. The task was to define a set of handles to change and model an isosurface. It had to happen through the modeling of the field function in a way that is rather intuitive but without giving up the precision one is used to have from standard NURBS/BREP modeling. The paper shows how a modeling framework for isosurfaces is implemented as a plug-in for Bentley Systems Generative Components allowing an intuitive way of exploring design variations. The implementation is illustrated with a proof of concept showing a sketch design.
keywords Isosurface; Polygonization; Scalar field; Marching Cube; Generative Components
series eCAADe
last changed 2006/08/16 16:54

_id acadia15_223
id acadia15_223
authors Brell-Cokcan, Sigrid; Braumann, Johannes
year 2015
title Toward Adaptive Robot Control Strategies
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. 223-231
summary Within just a few years, industrial robots have become a significant field of research within the creative industry. Due to their inherent multi-functionality they are now being used for a wide range of applications, from conceptualized ideas of human-robot interaction, to interactive media and full-scale fabrication. A significant enabling factor has been the development of designer-centric visual programming environments that make it possible for users from the creative industry to program robotic arms in an accessible and intuitive fashion. In our ongoing research we are exploring new possibilities for industrial robots in the creative industry by branching into two opposite directions: Using custom software to compensate for the limitations of used, cheap industrial robots by outsourcing computation-intensive operations, and developing new interfaces for adaptive robot control, thus dynamically coupling the robot with the visual programming environment itself.
keywords Adaptive robot control, visual programming, interfaces, industrial robots
series ACADIA
type normal paper
last changed 2016/08/05 11:37

_id ecaade2017_061
id ecaade2017_061
authors Castellari, Dario and Erioli, Alessio
year 2017
title Hydroassemblies - Unit-based system for the symbiosis of urban spaces and greeneries through hydraulic driven tectonics
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 1, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 661-670
summary Hydroassemblies is a research thesis that investigates the architectural potential of a unit-based modular system that can recursively grow in space guided by hydrodynamic principles in order to generate intricate tectonic assemblies, integrating the roles of spatial articulator, water collector/distributor and plant cultivation substrate to foster a symbiotic relation with the urban environment. By implementing principles of circulatory systems in biology, the authors developed a system that grows through recursive formation of loops and articulates its tectonic via a continuous, interconnected branching network. The founding process improves upon a combinatorial algorithm of discrete parts, considering how iterative interactions at the local level have a feedback impact on the growth process at the whole system scale. The paper explores how features, spatial and perceptive qualities, affordances and opportunities emerge at the global scale of the formation from the interplay of local behavioral principles and environmental conditions. The provided implementation is a proof of concept of the production of complex qualities by means of massive quantities of simple elements and interactions.
keywords tectonics; combinatorics; unit-based system; branching network
series eCAADe
last changed 2017/09/13 13:21

_id caadria2019_447
id caadria2019_447
authors Cheng, Chi-Li and Hou, June-Hao
year 2019
title Robotic Glass Crafting by Dip Forming
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. 193-202
summary This research is to develop a robotic glass crafting dip-forming process by dip forming. Instead of employing molds, we utilize repetitive dip coating and gravity to shape the glass. In addition, its morphogenesis process is similar to the certain growth mechanisms in nature, such as geotropism and branching. During the forming process, melted glass is accumulated layer by layer gradually until the target geometry is completed. The process takes advantage of the precision of the industrial robotic arm and the viscosity property of the material. This process requires the custom-made tool to operate in high temperature and controlling the timing of heating and annealing to eliminate Z artifacts caused by layered deposition, achieving the crystal-clear effect of the glass craft without the post cure process after printing. In addition, the robotic arm provides a higher degree of freedom for forming. This research demonstrates glassworks in the organic form including variations in thickness and branching to test the proposed method.
keywords robotic arm; glass craft; Digital Fabrication; additive manufacturing; dipping forming
series CAADRIA
last changed 2019/04/16 08:25

_id ecaadesigradi2019_397
id ecaadesigradi2019_397
authors Cristie, Verina and Joyce, Sam Conrad
year 2019
title 'GHShot': a collaborative and distributed visual version control for Grasshopper parametric programming
source Sousa, JP, Xavier, JP and Castro Henriques, G (eds.), Architecture in the Age of the 4th Industrial Revolution - Proceedings of the 37th eCAADe and 23rd SIGraDi Conference - Volume 3, University of Porto, Porto, Portugal, 11-13 September 2019, pp. 35-44
summary When working with parametric models, architects typically focus on using rather structuring them (Woodbury, 2010). As a result, increasing design complexity typically means a convoluted parametric model, amplifying known problems: 'hard to understand, modify, share and reuse' (Smith 2007; Davis 2011). This practice is in contrast with conventional software-programming where programmers are known to meticulously document and structure their code with versioning tool. In this paper, we argue that versioning tools could help to manage parametric modelling complexity, as it has been showing with software counterparts. Four key features of version control: committing, differentiating, branching, and merging, and how they could be implemented in a parametric design practice are discussed. Initial user test sessions with 5 student designers using GHShot Grasshopper version control plugin (Cristie and Joyce 2018, 2017) revealed that the plugin is useful to record and overview design progression, share model, and provide a fallback mechanism.
keywords Version Control; Parametric Design; Collaborative Design; Design Exploration
series eCAADeSIGraDi
last changed 2019/08/26 20:28

_id caadria2019_453
id caadria2019_453
authors Dai, Rushi, Kerber, Ethan and Brell-Cokcan, Sigrid
year 2019
title Robot Assisted Assembly of Steel Structures - Optimization and Automation of Plasma Cutting and Assembly
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. 163-172
summary The digitization of the construction industry integrates innovations in design and fabrication to achieve increased efficiency and performance. This paper details the development of a process for optimizing and automating the design and production of branching steel structures including the use of robotic construction, evolutionary optimization of path planning and the creation of an automatic height control robotic end effector.
keywords digitalization; optimization; automation; steel structures; plasma cutting
series CAADRIA
last changed 2019/04/16 08:25

_id ecaadesigradi2019_510
id ecaadesigradi2019_510
authors Giannopoulou, Effima, Baquero, Pablo, Warang, Angad, Orciuoli, Affonso and T. Estévez, Alberto
year 2019
title Stripe Segmentation for Branching Shell Structures - A Data Set Development as a Learning Process for Fabrication Efficiency and Structural Performance
source Sousa, JP, Xavier, JP and Castro Henriques, G (eds.), Architecture in the Age of the 4th Industrial Revolution - Proceedings of the 37th eCAADe and 23rd SIGraDi Conference - Volume 3, University of Porto, Porto, Portugal, 11-13 September 2019, pp. 63-70
summary This article explains the evolution towards the subject of digital fabrication of thin shell structures, searching for the computational design techniques which allow to implement biological pattern mechanisms for efficient fabrication procedures. The method produces data sets in order to analyse and evaluate parallel alternatives of branching topologies, segmentation patterns, material usage, weight and deflection values as a user learning process. The importance here is given to the selection of the appropriate attributes, referring to which specific geometric characteristics of the parametric model are affecting each other and with what impact. The outcomes are utilized to train an Artificial Neural Network to predict new building information based on new combinations of desired parameters so that the user can decide and adjust the design based on the new information.
keywords Digital Fabrication; Shell Structures; Segmentation; Machine Learning; Branching Topologies; Bio-inspired
series eCAADeSIGraDi
last changed 2019/08/26 20:28

_id acadia08_316
id acadia08_316
authors Greenberg, Evan
year 2008
title Observation, Analysis, and Computation of Branching Patterns in Natural Systems
source Silicon + Skin: Biological Processes and Computation, [Proceedings of the 28th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) / ISBN 978-0-9789463-4-0] Minneapolis 16-19 October 2008, 316-323
summary Branching occurs in natural systems for functional reasons. However, the branching logic for each specific system is quite different due to environmental and mathematical factors. In the computation of branching systems, these mathematical factors can be incorporated quite easily into the coding of each system. However, it is the environmental components that must be given further consideration in the simulation of these natural systems. Through the engine of genetic algorithms based on evolutionary developmental theory, the specific logics observed and analyzed in branching patterns of river systems, trees, and insect tracheae can be simulated and optimized in a digital environment.
keywords Algorithm; Branching; Emergence; Genetic; Simulation
series ACADIA
last changed 2009/02/26 07:39

_id caadria2011_017
id caadria2011_017
authors Hanafin, Stuart; Sambit Datta and Bernard Rolfe
year 2011
title Tree facades: Generative modelling with an axial branch rewriting system
source Proceedings of the 16th International Conference on Computer Aided Architectural Design Research in Asia / The University of Newcastle, Australia 27-29 April 2011, pp. 175-184
summary The methods and algorithms of generative modelling can be improved when representing organic structures by the study of computational models of natural processes and their application to architectural design. In this paper, we present a study of the generation of branching structures and their application to the development of façade support systems. We investigate two types of branching structures, a recursive bifurcation model and an axial tree based L-system for the generation of façades. The aim of the paper is to capture not only the form but also the underlying principles of biomimicry found in branching. This is then tested, by their application to develop experimental façade support systems. The developed algorithms implement parametric variations for façade generation based on natural tree-like branching. The benefits of such a model are: ease of structural optimization, variations of support and digital fabrication of façade components.
keywords Parametric Modelling; Biomimicry; Lindenmayer Systems; Branching Structures
series CAADRIA
last changed 2012/05/30 19:29

_id ecaade2015_307
id ecaade2015_307
authors Kallegias, Alexandros and Erdine, Elif
year 2015
title Design by Nature: Concrete Infiltrations
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. 513-520
wos WOS:000372316000058
summary The paper aims to address methods of realizing computationally generated self-organizing systems on a one-to-one scale with the employment of a singular material system. The case study described in this paper is the outcome of an investigation which has explored earth scaffolding, fabric form-work, and concrete materiality during an international three-week architecture workshop. Real-time generative form-finding methods based on branching and bundling systems in nature have been developed and simulated in an open-source programming environment. The outcome of the simulation stage has been analyzed structurally via Finite Element Analysis (FEA), results of which have served as inputs for the fine-tuning of the simulation. Final three-dimensional geometry has been fabricated by employing fabric, essentially forming the fabric form-work. Fabric form-work is then laid on top of the earth scaffolding, followed by the process of concrete casting. From a pedagogical point of view, the research focuses on the integration of digital design techniques between various design/architecture/analysis platforms combined with basic and advanced techniques of construction within a limited time frame.abstract here by clicking this paragraph.
series eCAADe
last changed 2016/05/16 09:08

_id 4559
id 4559
authors Kilian, Axel
year 2006
title Design Exploration through Bidirectional Modeling of Constraints
source Massachusetts Institute of Technology
summary Today digital models for design exploration are not used to their full potential. The research efforts in the past decades have placed geometric design representations firmly at the center of digital design environments. In this thesis it is argued that models for design exploration that bridge different representation aid in the discovery of novel designs. Replacing commonly used analytical, uni-directional models for linking representations, with bidirectional ones, further supports design exploration. The key benefit of bidirectional models is the ability to swap the role of driver and driven in the exploration. The thesis developed around a set of design experiments that tested the integration of bidirectional computational models in domain specific designs. From the experiments three main exploration types emerged. They are: branching explorations for establishing constraints for an undefined design problem; illustrated in the design of a concept car. Circular explorations for the refinement of constraint relationships; illustrated in the design of a chair. Parallel explorations for exercising well-understood constraints; illustrated in a form finding model in architecture. A key contribution of the thesis is the novel use of constraint diagrams developed to construct design explorers for the experiments. The diagrams show the importance of translations between design representations in establishing design drivers from the set of constraints. The incomplete mapping of design features across different representations requires the redescription of the design for each translation. This redescription is a key aspect of exploration and supports design innovation. Finally, this thesis argues that the development of design specific design explorers favors a shift in software design away from monolithic, integrated software environments and towards open software platforms that support user development.
keywords Design, exploration, generative, bidirectional, constraints
series thesis:PhD
type normal paper
last changed 2006/12/07 18:52

_id caadria2020_261
id caadria2020_261
authors Kimm, Geoff and Burry, Mark
year 2020
title Encouraging Community Participation in Design Decision-making through Reactive Scripting - a general framework tested in the smart villages context
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 2, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 51-60
summary In governmental decision-making, centralised experts spending a society's resources benefit from the guidance of community participation, yet the most effective participation by individuals distributed throughout a community often relies on expert guidance. This co-dependency of centralised and distributed knowledge is a critical weakness in contexts, such as developing rural communities, in which opportunities for in-field expert engagement are limited. This paper proposes a novel computational framework to break this deadlock by taking into the field responsive expertise digitally encapsulated within accessible built environment simulations. The framework is predicated in reactive scripting for design apps that invite a citizen user to progress a model towards their ideal design by prompts that highlight exceptional, contradictory, mutually exclusive, or simply underwhelming outcomes or branching decisions. The app simulations provide a gamified context of play in which goals are not prescriptively encoded but instead arise out of the social and community context. The detailed framework, presented together with a proof of concept smart villages app that is described along with an integration and feasibility test with positive results, provides a model for better participatory decision-making outcomes in the face of limited availability of expertise.
keywords community participation; built environment simulation; gamification; reactive scripting; smart cities and villages
series CAADRIA
last changed 2020/08/14 18:40

_id acadia13_401
id acadia13_401
authors Rogers, Michael James
year 2013
title Formicis: A Study In Behavioral Componentry
source ACADIA 13: Adaptive Architecture [Proceedings of the 33rd Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-926724-22-5] Cambridge 24-26 October, 2013), pp. 401-402
summary The Formicis Project translates the natural structure-building phenomena of ant-bridges into architectural componentry that intuitively self-aggregates into goal-oriented structures.  
keywords Branching, Ant, Bridge, Script, Flexible, Agent
series ACADIA
type Design Poster
last changed 2013/12/16 08:04

_id ecaade2018_393
id ecaade2018_393
authors Serrano Salazar, Salvador, Carrasco Hortal, José, Morales Menárguez, Francesc and Gutiérrez Salazar, Juan Pablo
year 2018
title Cooperative Trees by Adding Inosculated and Discrete Definitions to a DLA Design
source Kepczynska-Walczak, A, Bialkowski, S (eds.), Computing for a better tomorrow - Proceedings of the 36th eCAADe Conference - Volume 2, Lodz University of Technology, Lodz, Poland, 19-21 September 2018, pp. 103-112
summary This paper presents a method to generate free-form branched structures from a small number of different constructive elements, based on the postulates of discrete or combinatorial design. The research is based on the study of fractal growth as a generator of complex tree-like structures, using references from other scientific approaches in which the possibilities of the DLA (diffusion-limited aggregation) model have been explored. The proposed method uses the Grasshopper visual programming language, and incorporates new topological strategies to improve the performance or robustness of the system through tree-tree (inosculation) and tree-soil (aerial roots) cooperations. The simulation demonstrates the effectiveness of the proposed method and its potential for the construction of structures with complex geometries from a discrete set of knots and bars and bioinspired strategies. The paper includes a review of the chosen design principles, the developed methodology and a recent physical test in Medellín (Colombia).
keywords DLA, discrete design, inosculation, branching structures, virtual-real models
series eCAADe
last changed 2018/07/24 10:23

_id sigradi2014_345
id sigradi2014_345
authors Shiordia Lopez, Rodrigo; Dr. David Jason Gerber
year 2014
title Context-Aware Multi-Agent Systems: Negotiating Intensive Fields
source SIGraDi 2014 [Proceedings of the 18th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-9974-99-655-7] Uruguay- Montevideo 12,13,14 November 2014, pp. 138-143
summary This paper presents research into a technique using context-aware agent based branching L-systems to design explore an urban development scheme in an area of peripheral Mexico City. The design research demonstrates a viable approach to engaging design with specific agent driven objectives that negotiate across highly differentiated fields of data sets. These data sets are the driving force behind this technique, to generate highly differentiated infrastructure and urban networks that are simulated to be autonomous and emergent. The described system consists of simulated robotic autonomous agents that sample and negotiate across data from the site, and react to differences in order to deploy an irrigation network for a polluted and highly saline former lake-bed east of Mexico City.
keywords Multi-Agent Systems; L-Systems; Generative Urban Design; Multi-Objective Optimization: Design Agency
series SIGRADI
last changed 2016/03/10 09:00

_id acadia08_354
id acadia08_354
authors Vanucci, Marco
year 2008
title Pluri-Potential Branching System
source Silicon + Skin: Biological Processes and Computation, [Proceedings of the 28th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) / ISBN 978-0-9789463-4-0] Minneapolis 16-19 October 2008, 354-363
summary In contemporary construction industry, parametric softwares are often employed in design processes of rationalization and post-rationalization where, given a certain project, the answer to specific problems is required to actualize the desired shape [problem-solving approach]. ¶ This paper outlines a research project intended to develop a generative approach to digital design where the employment of parametric and algorithmic tools provide the possibility to set up integral multi-parametric systems; organizational as well as geometrical and structural aspects are investigated and, in parallel, they inform each other. ¶ The paper unfolds through constant reference to natural systems and, more specifically, develops the notion of pluri-potential systems deriving principle from the interaction between biological processes and computation. ¶ The results address the shift from mono-parametric problem-solving approaches to a generative problem-caring process where the integration of multiple system logics contribute to the development of a virtual pluri-potential set up. ¶ Finally, the paper explore the generative interdependency between structural, geometrical, organizational and computational logics of a system studying the manifold potentials of branching structures in the attempt to explore the emergent synergy between biological processes, computation and architectural design.
keywords Branching; Evolution; Generative; Open Systems; Parametric
series ACADIA
last changed 2009/02/26 07:39

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