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

PDF papers
References

Hits 1 to 20 of 661

_id ecaade2024_167
id ecaade2024_167
authors Alammar, Ammar; Alymani, Abdulrahman; Jabi, Wassim
year 2024
title Building Energy Efficiency Estimations with Random Forest for Single and Multi-Zones
source Kontovourkis, O, Phocas, MC and Wurzer, G (eds.), Data-Driven Intelligence - Proceedings of the 42nd Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2024), Nicosia, 11-13 September 2024, Volume 2, pp. 365–374
doi https://doi.org/10.52842/conf.ecaade.2024.2.365
summary Surrogate models (SM) present an opportunity for rapid assessment of a building's performance, surpassing the pace of simulation-based methods. Setting up a simulation for a single concept involves defining numerous parameters, disrupting the architect's creative flow due to extended simulation run times. Therefore, this research explores integrating building energy analysis with advanced machine learning techniques to predict heating and cooling loads (KWh/m2) for single and multi-zones in buildings. To generate the dataset, the study adopts a parametric generative workflow, building upon Chou and Bui's (2014) methodology. This dataset encompasses multiple building forms, each with unique topological connections and attributes, ensuring a thorough analysis across varied building scenarios. These scenarios undergo thermal simulation to generate data for machine learning analysis. The study primarily utilizes Random Forest (RF) as a new technique to estimate the heating and cooling loads in buildings, a critical factor in building energy efficiency. Following that, A random search approach is utilized to optimize the hyperparameters, enhancing the robustness and accuracy of the machine learning models employed later in the research. The RF algorithms demonstrate high performance in predicting heating and cooling loads (KWh/m2), contributing to enhanced building energy efficiency. The study underscores the potential of machine learning in optimizing building designs for energy efficiency.
keywords Heating and Cooling loads, Topology, Machine learning, Random Forest
series eCAADe
email
last changed 2024/11/17 22:05

_id ascaad2014_025
id ascaad2014_025
authors Elias-Ozkan, Soofia T. and Hatem Hadia
year 2014
title Teaching and Learning Building Performance Virtualisation
source Digital Crafting [7th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2014 / ISBN 978-603-90142-5-6], Jeddah (Kingdom of Saudi Arabia), 31 March - 3 April 2014, pp. 323-330
summary Building performance simulation tools have indeed eased the task of evaluating a building’s performance from the point of view of lighting design, heating and cooling loads, total energy loads, acoustic properties, natural lighting, ventilation, smoke and fire containment etc. However, to use these tools correctly, not only is theoretical knowledge required but also insight that can only be attained after substantial experience. For example, in order to evaluate the thermal performance alone, one needs to understand climatology, material properties, building physics, HVAC systems, internal and external gain factors, solar impacts, etc. to name a few. Hence, teaching students of Architecture how to use these tools, and also to interpret the results properly, is a tall order. This paper reports on insights gained through teaching courses on building performance simulations to graduate students in the Department of Architecture. The course content was varied each term and a different simulation software was used; namely: ECOTECT, Energy Plus and Design Builder. Data presented here will also contain feedback from the course students regarding the modelling process of the buildings, inputting the data, simulating their performance, and evaluating the results. Also, the difficulties faced during the various steps as well as the drawbacks of the tools will be discussed in depth.
series ASCAAD
type normal paper
email
last changed 2021/07/16 10:36

_id ecaade2014_067
id ecaade2014_067
authors Mehrnoush Latifi Khorasani, Jane Burry and Mahsa Salehi
year 2014
title Thermal performance of patterned facades - Studies on effects of patterns on the thermal performance of facades
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 1, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 267-276
doi https://doi.org/10.52842/conf.ecaade.2014.1.267
wos WOS:000361384700026
summary Skin is the primary shield between our body and its surroundings. It protects the body from the harmful environmental effects like dehydration and radiation from intense sunlight. Likewise, the outer layer, or skin of a building has the same function of protecting its inhabitants against the external elements. This research is a part of a larger investigation into geometrical patterning and layering of facades as an effective intervention between the outdoor space and the indoor environment to regulate the conditions for occupant thermal comfort. This paper reports on exploration of an approach for measurement, evaluation and feedback in the design workflow through a mixed digital -physical simulation platform (MDPS) based on the objectives of the larger study. For this purpose, it introduces a new way of analyzing thermal performance of double skin facades by using temperature sensors, Arduino, post visualization with MATLAB and digital energy simulation. The main aspects of this proposed workflow is the design of a thermal performance feedback loop as an integral part of the process of geometrical patterning design for façade.
keywords Patterned facades; thermal performance; surface temperature; data visualization; mixed digital physical simulation
series eCAADe
email
last changed 2022/06/07 07:58

_id ecaade2015_38
id ecaade2015_38
authors Stavrakantonaki, Marina
year 2015
title A Framework for Input Data Processing During Building Energy Model Calibration. A Case Study
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. 625-634
doi https://doi.org/10.52842/conf.ecaade.2015.1.625
wos WOS:000372317300068
summary Key parameter of a reasoning process supporting real time performance is the use of active heuristics that facilitate the achievement of goals in a timely manner (Dodiawala et al. 1989). A real time approach should incorporate speed, timeliness and adaptation during the execution of tasks. Speed and efficient knowledge processing are addressed for the solution of complex building engineering problems, such as the calibration of Building Energy Models (BEM) to the actual performance data. During retrofit projects, calibrated BEM models aid the design process, and provide a solid base for performative assessments. Despite the demand for building performance evaluations, BEM calibration remains a work-intensive task (Lam et al. 2014). This study proposes a time efficient framework for BEM calibration input data management based on the methodology of a blackboard artificial intelligence knowledge processing system. The resulting model was used for sequential data mining for the energy assessment during the renovation of a commercial building.
series eCAADe
email
more https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=e440bdd6-7021-11e5-bdb0-00190f04dc4c
last changed 2022/06/07 07:56

_id acadia21_530
id acadia21_530
authors Adel, Arash; Augustynowicz, Edyta; Wehrle, Thomas
year 2021
title Robotic Timber Construction
source ACADIA 2021: Realignments: Toward Critical Computation [Proceedings of the 41st Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 979-8-986-08056-7]. Online and Global. 3-6 November 2021. edited by S. Parascho, J. Scott, and K. Dörfler. 530-537.
doi https://doi.org/10.52842/conf.acadia.2021.530
summary Several research projects (Gramazio et al. 2014; Willmann et al. 2015; Helm et al. 2017; Adel et al. 2018; Adel Ahmadian 2020) have investigated the use of automated assembly technologies (e.g., industrial robotic arms) for the fabrication of nonstandard timber structures. Building on these projects, we present a novel and transferable process for the robotic fabrication of bespoke timber subassemblies made of off-the-shelf standard timber elements. A nonstandard timber structure (Figure 2), consisting of four bespoke subassemblies: three vertical supports and a Zollinger (Allen 1999) roof structure, acts as the case study for the research and validates the feasibility of the proposed process.
series ACADIA
type project
email
last changed 2023/10/22 12:06

_id sigradi2014_075
id sigradi2014_075
authors Afsari, Kereshmeh; Chuck Eastman
year 2014
title Categorization of building product models in BIM Content Library portals
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. 370-374
summary BIM Content Libraries are performing as online sources for building product models. In order to effectively use the product models, it is important to organize them systematically within these databases. But currently there is no standard or guideline for this purpose. Products in these libraries are being categorized based on different criteria such as the object classes in the target platform, by referring to multiple classification systems or based on customized categories. This paper studies some of the BIM Content Libraries and investigates the structure that each library is using for product categorization. It indicates the need for a generic framework for the purpose of product categorization in BIM Content Libraries.
keywords BIM objects; Product models; Building models; BIM Content Library; Product category
series SIGRADI
email
last changed 2016/03/10 09:47

_id ecaade2014_133
id ecaade2014_133
authors Armando Trento, Antonio Fioravanti and Francesco Rossini
year 2014
title Health and Safety Design by means of a Systemic Approach - Linking Construction Entities and Activities for Hazard Prevention
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 1, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 633-642
doi https://doi.org/10.52842/conf.ecaade.2014.1.633
wos WOS:000361384700063
summary Education and Research in Computer Aided Architectural Design in Europe faces many urgent tasks. Among the Architecture, Engineering and Construction (AEC)international scientific societies, only few researches systematically investigate on how to integrate the design solutions with Health and Safety (HS) planning measures, enhancing a collaborative “fusion” of all involved actors in Design and Construction decision making. Process automation cannot be enhanced until design/management tools, such as Building Information Models, can rely only on entities formalised "per se" geometrical items fulfilled by isolated-object specific information. To face complex problems, BIM models should be able to implement and manipulate multiple sets of entities, qualified by clearly established relationships, belonging to organically structured and oriented (sub-) systems. This paper reports on an early stage research project, focused on the identification of operative rules for Health and Safety design. Implementation on the unique case study of Palazzo della Civiltà Italiana functional refurbishment faces two main objectives: one, more pragmatic, is concerned with boostingworkers education about non-standard operative tasks, by means of accurate ad-hoc construction narrative visualisation; another one, more challenging and theoretically complex, consists in modelling "judgment-based" rules, aimed at supporting automated reasoning in Safety Design.
keywords Construction hazards prevention through design; project construction management and visualization; health and safety management; risk modelling; knowledge representation
series eCAADe
email
last changed 2022/06/07 07:54

_id sigradi2014_329
id sigradi2014_329
authors Varinlioglu, Guzden; Ozgun Balaban, Yekta Ipek, Sema Alacam
year 2014
title Parametric Modeling of Archaeological Heritage in the Age of Digital Reconstruction
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. 614-617
summary Although 3D modeling has become standard within archaeology, the process of digitally reconstructing archaeological objects requires clumsy and time-consuming procedures. Typically, these procedures call for careful collaboration, between architectural historians, archaeologists and computer modelers, to produce scientifically correct and artistically pleasing models. This paper proposes the use of shape grammars for digital reconstruction of the archaeological heritage artifacts that were discovered during surveys along the coast of Turkey. Concentrating on ceramic vessels, the archaeologists and divers classified the artifacts based on their dimensions and observations. The classifications are used to infer the rules that will generate the digital model for each artifact. Rhinoceros modeling software with Grasshopper plug-in was used to generate 3D models. The goal of this work is to demonstrate that knowledge generated within a virtual world experience, can inform the evaluation of data derived from textual and archaeological sources, and vice versa.
keywords Parametric modeling; Underwater cultural heritage; Grasshopper; 3D reconstruction
series SIGRADI
email
last changed 2016/03/10 10:02

_id ascaad2014_004
id ascaad2014_004
authors Afsari, Kereshmeh; Matthew E. Swarts and T. Russell Gentry
year 2014
title Integrated Generative Technique for Interactive Design of Brickworks
source Digital Crafting [7th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2014 / ISBN 978-603-90142-5-6], Jeddah (Kingdom of Saudi Arabia), 31 March - 3 April 2014, pp. 49-64
summary Bricks have been used in the construction industry as a building medium for millennia. Distinct patterns of bricks depict the unique aesthetic intentions found in Roman, Gothic and Islamic architecture. In contemporary practice, the use of digital tools in design has enabled methodologies for creating new forms in architecture. CAD and BIM systems provide new opportunities for designers to create parametric objects for building form generation. In masonry design, there exists an inherent contradiction between traditional patterns in brick design, which are formal and prescribed, and the potential for new patterns generated using design scripting. In addition, current tools do not provide interactive techniques for the design of brickwork patterns that can manage constant changes parametrically, to inform and influence design process, by providing design feedback on the constructive and structural aspects of the proposed brick pattern and geometry. This research looks into the parametric techniques that can be applied to create different kinds of patterns on brick walls. It discusses a methodology for an interactive brickwork design within generative techniques. By integrating data between two computational platforms – the first based on image analysis and the second on parametric modeling, we demonstrate a methodology and application that can generate interactive arbitrary patterns and map it to the brick wall in real-time.
series ASCAAD
email
last changed 2016/02/15 13:09

_id ecaade2014_086
id ecaade2014_086
authors Ahmed Sarhan and Peter Rutherford
year 2014
title Integrating Sustainability in the Architectural Design Education Process - Taxonomy of Challenges and Guidelines
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 1, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 323-332
doi https://doi.org/10.52842/conf.ecaade.2014.1.323
wos WOS:000361384700032
summary The last decade have seen substantial calls and increasing pressure for developing an integrated design teaching framework, where sustainability is an imperative priority. This paper focuses on presenting a taxonomy of the main challenges encountered within the educational domain, in the attempt to reach an effective integration. The paper also presents a set guidelines to address and try to resolve the noted challenges. As the use of Building Performance Simulation (BPS) applications is a central approach in this process aiming to reach energy efficient buildings, the paper focuses on the shortcomings noted as a result of the use of these applications in the design studios, with particular emphasis on the thermal and lighting aspects of the simulation. The taxonomy presented is a summary of the findings from literature review, as well as the surveys results which were part of the author's research project discussed in the paper.
keywords Environmental design; building performance simulation; architectural design education
series eCAADe
email
last changed 2022/06/07 07:54

_id caadria2014_042
id caadria2014_042
authors Alam, Jack and Jeremy J. Ham
year 2014
title Towards a BIM-Based Energy Rating System
source Rethinking Comprehensive Design: Speculative Counterculture, Proceedings of the 19th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2014) / Kyoto 14-16 May 2014, pp. 285–294
doi https://doi.org/10.52842/conf.caadria.2014.285
summary Governments in Australia are faced with policy implementation that mandates higher energy efficient housing (Foran, Lenzen & Dey 2005). To this effect, the National Construction Code (NCC) 2013 stipulates the minimum energy performance for residential buildings as 114MJ/m2 per annum or 6 stars on an energy rating scale. Compliance with this minimum is mandatory but there are several methods through which residential buildings can be rated to comply with the deemed to satisfy provisions outlined in the NCC. FirstRate5 is by far the most commonly used simulation software used in Victoria, Australia. Meanwhile, Building Information Modelling (BIM), using software such as ArchiCAD has gained a foothold in the industry. The energy simulation software within ArchiCAD, EcoDesigner, enables the reporting on the energy performance based on BIM elements that contain thermal information. This research is founded on a comparative study between FirstRate5 and EcoDesigner. Three building types were analysed and compared. The comparison finds significant differences between simulations, being, measured areas, thermal loads and potentially serious shortcomings within FirstRate5, that are discussed along with the future potential of a fully BIM-integrated model for energy rating certification in Victoria.
keywords Building Information Modelling, energy rating, FirstRate 5, ArchiCAD EcoDesigner, Building Energy Model
series CAADRIA
email
last changed 2022/06/07 07:54

_id caadria2014_028
id caadria2014_028
authors Chaszar, André and Bige Tunçer
year 2014
title Integrating User and Usage Information in a Design Environment
source Rethinking Comprehensive Design: Speculative Counterculture, Proceedings of the 19th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2014) / Kyoto 14-16 May 2014, pp. 45–54
doi https://doi.org/10.52842/conf.caadria.2014.045
summary We describe research exploring and demonstrating the use of large-scale data gathering and processing to inform the activities of architectural and urban designers. We apply this research to public spaces in urban housing estates. The aim is to understand the current use patterns and usability of these spaces, and to adaptively redesign them according to the insights gained from these findings. Another aim of the research is to obtain scientific knowledge regarding the production and use of user-data-based design support systems which promote and enhance the capability of (digital) design aids, such as building- and urban-scale models, to act as ‘learning devices’ giving designers better insights to the nature of the design situations they are asked to address, as well as insights on design space definition and exploration. We adopt a multimodal data collection strategy, consisting of participatory workshops for residents and users, person-based crowdsourcing, location-based crowd sensing, and statistical demographics data.
keywords integrated design environment; multi-modal data collection; data visualization; data analysis; public space design.
series CAADRIA
email
last changed 2022/06/07 07:55

_id sigradi2014_273
id sigradi2014_273
authors Chiarella, Mauro; Analía Raffin, Silvina Lopaczek, Sebastian Martini, Nicolas Góngora, Francisco Bressan
year 2014
title Pieles Arquitectónicas Dinámicas. Prototipos a escala mediante prototipado rápido, microcontroladores y patrones plegados [Dynamic architectural skins. Scale prototypes using rapid prototyping, microcontrollers and folding patterns]
source SIGraDi 2014 [Proceedings of the 18th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-9974-99-655-7] Uruguay - Montevideo 12 - 14 November 2014, pp. 96-100
summary Contemporary architecture replaces the concept facade by skin: outer layer mediating between the building and its surroundings; active, informed, connected and communicative membrane. Our training and practice in architecture, still working for the rigor and stability of modular geomerías on determinants of a unique spatial and morphological situation passive. In the teaching of architecture in Latin America there are no exercises that incorporate a learning design to create flexible dynamic geometries as possible structures for sensitive skin. The research aims to explore the possibilities and systematize the dynamic folding of planar surfaces using geometric simulation programs (freeform origami, Grasshopper); building scale prototypes (rapid prototyping and arduino microcontroller) and subsequent verification of energy analysis program.
keywords Architectural skin; folded patterns; arduino; rapid prototyping
series SIGRADI
email
last changed 2016/03/10 09:48

_id ecaade2014_065
id ecaade2014_065
authors Daniel Prohasky, Rafael Moya Castro, Simon Watkins, Jane Burry and Mark Burry
year 2014
title Wind sensing with real-time visualisations for Designers - An approach to understanding wind phenomena for pedestrian comfort using low cost wind sensors
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 1, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 165-171
doi https://doi.org/10.52842/conf.ecaade.2014.1.165
wos WOS:000361384700016
summary The evaluation of a low-tech wind sensing platform for urban aerodynamic simulations relevant to pedestrian comfort. In this paper, the wind canyon effect is simulated with two different building morphologies. The platform provides conceptual knowledge of the dynamics in wind relevant for designers, architectural practitioners and students of design. Low-cost hot wire anemometry is utilised for the design of an Experimental Fluid Dynamic (EFD) wind sensing network interface. This paper explores the validity of the sensing platform for a new approach for non-wind engineers to gain a better understanding of the dynamics of wind. The influence of real-time feedback from quantified wind on the understanding of wind phenomena for non-wind engineers is discussed and compared with post analysis data. It was found that real-time quantified feedback from wind intrigues and stimulates the intuitive notion of wind dynamics through discussion, however post analysis remains critical to evaluate building design performance.
keywords Wind sensing; real-time feedback; experimental fluid dynamics; hot-wire anemometry; atmospheric boundary layer
series eCAADe
email
last changed 2022/06/07 07:55

_id ecaade2023_000
id ecaade2023_000
authors Dokonal, Wolfgang, Hirschberg, Urs and Wurzer, Gabriel
year 2023
title eCAADe 2023 Digital Design Reconsidered - Volume 1
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, 905 p.
doi https://doi.org/10.52842/conf.ecaade.2023.1.001
summary The conference logo is a bird’s eye view of spiral stairs that join and separate – an homage to the famous double spiral staircase in Graz, a tourist attraction of this city and a must-see for any architecturally minded visitor. Carved out of limestone, the medieval construction of the original is a daring feat of masonry as well as a symbolic gesture. The design speaks of separation and reconciliation: The paths of two people that climb the double spiral stairs separate and then meet again at each platform. The relationship between architectural design and the growing digital repertoire of tools and possibilities seems to undergo similar cycles of attraction and rejection: enthusiasm about digital innovations – whether in Virtual Reality, Augmented Reality, Energy Design, Robotic Fabrication, the many Dimensions of BIM or, as right now, in AI and Machine Learning – is typically followed by a certain disillusionment and a realization that the promises were somewhat overblown. But a turn away from these digital innovations can only be temporary. In our call for papers we refer to the first and second ‘digital turns’, a term Mario Carpo coined. Yes, it’s a bit of a pun, but you could indeed see these digital turns in our logo as well. Carpo would probably agree that design and the digital have become inseparably intertwined. While they may be circling in different directions, an innovative rejoinder is always just around the corner. The theme of the conference asked participants to re-consider the relationship between Design and the Digital. The notion of a cycle is already present in the syllable “re”. Indeed, 20 years earlier, in 2003, we held an ECAADE conference in Graz simply under the title “Digital Design” and our re-using – or is it re-cycling? – the theme can be seen as the completion of one of those cycles described above: One level up, we meet again, we’ve come full circle. The question of the relationship between Design and the Digital is still in flux, still worthy of renewed consideration. There is a historical notion implicit in the theme. To reconsider something, one needs to take a step back, to look into the past as well as into the future. Indeed, at this conference we wanted to take a longer view, something not done often enough in the fast-paced world of digital technology. Carefully considering one’s past can be a source of inspiration. In fact, the double spiral stair that inspired our conference logo also inspired many architects through the ages. Konrad Wachsmann, for example, is said to have come up with his famous Grapevine assembly system based on this double spiral stair and its intricate joinery. More recently, Rem Koolhaas deemed the double spiral staircase in Graz important enough to include a detailed model of it in his “elements of architecture” exhibition at the Venice Biennale in 2014. Our interpretation of the stair is a typically digital one, you might say. First of all: it’s a rendering of a virtual model; it only exists inside a computer. Secondly, this virtual model isn’t true to the original. Instead, it does what the digital has made so easy to do: it exaggerates. Where the original has just two spiral stairs that separate and join, our model consists of countless stairs that are joined in this way. We see only a part of the model, but the stairs appear to continue in all directions. The implication is of an endless field of spiral stairs. As the 3D model was generated with a parametric script, it would be very easy to change all parameters of it – including the number of stairs that make it up. Everyone at this conference is familiar with the concept of parametric design: it makes generating models of seemingly endless amounts of connected spiral stairs really easy. Although, of course, if we’re too literal about the term ‘endless’, generating our stair model will eventually crash even the most advanced computers. We know that, too. – That's another truth about the Digital: it makes a promise of infinity, which, in the end, it can’t keep. And even if it could: what’s the point of just adding more of the same: more variations, more options, more possible ways to get lost? Doesn’t the original double spiral staircase contain all those derivatives already? Don’t we know that ‘more’ isn’t necessarily better? In the original double spiral stair the happy end is guaranteed: the lovers’ paths meet at the top as well as when they exit the building. Therefore, the stair is also colloquially known as the Busserlstiege (the kissing stair) or the Versöhnungsstiege (reconciliation stair). In our digitally enhanced version, this outcome is no longer clear: we can choose between multiple directions at each level and we risk losing sight of the one we were with. This is also emblematic of our field of research. eCAADe was founded to promote “good practice and sharing information in relation to the use of computers in research and education in architecture and related professions” (see ecaade.org). That may have seemed a straightforward proposition forty years ago, when the association was founded. A look at the breadth and depth of research topics presented and discussed at this conference (and as a consequence in this book, for which you’re reading the editorial) shows how the field has developed over these forty years. There are sessions on Digital Design Education, on Digital Fabrication, on Virtual Reality, on Virtual Heritage, on Generative Design and Machine Learning, on Digital Cities, on Simulation and Digital Twins, on BIM, on Sustainability, on Circular Design, on Design Theory and on Digital Design Experimentations. We hope you will find what you’re looking for in this book and at the conference – and maybe even more than that: surprising turns and happy encounters between Design and the Digital.
series eCAADe
email
last changed 2023/12/10 10:49

_id ecaade2023_001
id ecaade2023_001
authors Dokonal, Wolfgang, Hirschberg, Urs and Wurzer, Gabriel
year 2023
title eCAADe 2023 Digital Design Reconsidered - Volume 2
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 2, Graz, 20-22 September 2023, 899 p.
doi https://doi.org/10.52842/conf.ecaade.2023.2.001
summary The conference logo is a bird’s eye view of spiral stairs that join and separate – an homage to the famous double spiral staircase in Graz, a tourist attraction of this city and a must-see for any architecturally minded visitor. Carved out of limestone, the medieval construction of the original is a daring feat of masonry as well as a symbolic gesture. The design speaks of separation and reconciliation: The paths of two people that climb the double spiral stairs separate and then meet again at each platform. The relationship between architectural design and the growing digital repertoire of tools and possibilities seems to undergo similar cycles of attraction and rejection: enthusiasm about digital innovations – whether in Virtual Reality, Augmented Reality, Energy Design, Robotic Fabrication, the many Dimensions of BIM or, as right now, in AI and Machine Learning – is typically followed by a certain disillusionment and a realization that the promises were somewhat overblown. But a turn away from these digital innovations can only be temporary. In our call for papers we refer to the first and second ‘digital turns’, a term Mario Carpo coined. Yes, it’s a bit of a pun, but you could indeed see these digital turns in our logo as well. Carpo would probably agree that design and the digital have become inseparably intertwined. While they may be circling in different directions, an innovative rejoinder is always just around the corner. The theme of the conference asked participants to re-consider the relationship between Design and the Digital. The notion of a cycle is already present in the syllable “re”. Indeed, 20 years earlier, in 2003, we held an ECAADE conference in Graz simply under the title “Digital Design” and our re-using – or is it re-cycling? – the theme can be seen as the completion of one of those cycles described above: One level up, we meet again, we’ve come full circle. The question of the relationship between Design and the Digital is still in flux, still worthy of renewed consideration. There is a historical notion implicit in the theme. To reconsider something, one needs to take a step back, to look into the past as well as into the future. Indeed, at this conference we wanted to take a longer view, something not done often enough in the fast-paced world of digital technology. Carefully considering one’s past can be a source of inspiration. In fact, the double spiral stair that inspired our conference logo also inspired many architects through the ages. Konrad Wachsmann, for example, is said to have come up with his famous Grapevine assembly system based on this double spiral stair and its intricate joinery. More recently, Rem Koolhaas deemed the double spiral staircase in Graz important enough to include a detailed model of it in his “elements of architecture” exhibition at the Venice Biennale in 2014. Our interpretation of the stair is a typically digital one, you might say. First of all: it’s a rendering of a virtual model; it only exists inside a computer. Secondly, this virtual model isn’t true to the original. Instead, it does what the digital has made so easy to do: it exaggerates. Where the original has just two spiral stairs that separate and join, our model consists of countless stairs that are joined in this way. We see only a part of the model, but the stairs appear to continue in all directions. The implication is of an endless field of spiral stairs. As the 3D model was generated with a parametric script, it would be very easy to change all parameters of it – including the number of stairs that make it up. Everyone at this conference is familiar with the concept of parametric design: it makes generating models of seemingly endless amounts of connected spiral stairs really easy. Although, of course, if we’re too literal about the term ‘endless’, generating our stair model will eventually crash even the most advanced computers. We know that, too. – That's another truth about the Digital: it makes a promise of infinity, which, in the end, it can’t keep. And even if it could: what’s the point of just adding more of the same: more variations, more options, more possible ways to get lost? Doesn’t the original double spiral staircase contain all those derivatives already? Don’t we know that ‘more’ isn’t necessarily better? In the original double spiral stair the happy end is guaranteed: the lovers’ paths meet at the top as well as when they exit the building. Therefore, the stair is also colloquially known as the Busserlstiege (the kissing stair) or the Versöhnungsstiege (reconciliation stair). In our digitally enhanced version, this outcome is no longer clear: we can choose between multiple directions at each level and we risk losing sight of the one we were with. This is also emblematic of our field of research. eCAADe was founded to promote “good practice and sharing information in relation to the use of computers in research and education in architecture and related professions” (see ecaade.org). That may have seemed a straightforward proposition forty years ago, when the association was founded. A look at the breadth and depth of research topics presented and discussed at this conference (and as a consequence in this book, for which you’re reading the editorial) shows how the field has developed over these forty years. There are sessions on Digital Design Education, on Digital Fabrication, on Virtual Reality, on Virtual Heritage, on Generative Design and Machine Learning, on Digital Cities, on Simulation and Digital Twins, on BIM, on Sustainability, on Circular Design, on Design Theory and on Digital Design Experimentations. We hope you will find what you’re looking for in this book and at the conference – and maybe even more than that: surprising turns and happy encounters between Design and the Digital.
series eCAADe
type normal paper
email
last changed 2024/08/29 08:36

_id ecaade2014_202
id ecaade2014_202
authors Ehsan Barekati and Mark Clayton
year 2014
title A Universal Format for Architectural Program of Requirement - A prerequisite for adding architectural programming information to BIM data models
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 2, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 385-394
doi https://doi.org/10.52842/conf.ecaade.2014.2.385
wos WOS:000361385100040
summary This paper is a report on authors' ongoing effort in creating a universal model for architectural programming. Authors analyse three well-known formats for architectural programming and devise a UML model representing each format. The UML models are further analysed and compared to form a super UML model that can bring together all the three formats under one roof and act as a universal format for architectural programming (UFPOR). The results improve the integration of architectural programming and BIM data models and are of value to the software development field and architectural programing.
keywords Building information modelling; data modelling; architectural programming; interoperability
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
email
last changed 2024/05/29 14:04

_id ecaade2014_104
id ecaade2014_104
authors Estefania Tapias and Shubham Soni
year 2014
title Building-up urban open spaces from shadow range analyses
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 1, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 129-135
doi https://doi.org/10.52842/conf.ecaade.2014.1.129
wos WOS:000361384700012
summary This paper explores an alternative approach for the creation of new built forms based on solar access analysis. Consolidated on urban areas under development, the denominated 'inverted' approach is focused on the generation of recreational open spaces based on shadow conditions caused by existing built forms, and as a starting point for the construction of new urban envelopes as possible development areas. Unlike the existing method of the 'solar envelope', the 'inverted' approach shows an alternative procedure for the construction of built forms, based on pedestrian comfort caused by solar access in urban spaces rather than on indoor performance affected by the penetration of sunlight into buildings. As a method for the creation of urban envelopes, this approach attempts to enhance pedestrian comfort according to the study of solar access in urban areas. The 'inverted' approach is based on sun path data and is developed as a generative procedure, where the results of shadow range analyses and the different urban objectives work as input parameters for the generation of urban envelopes. Based on this methodology, two Grasshopper® custom components are developed.
keywords Urban open spaces; solar access; shadow range simulation; generative modelling
series eCAADe
email
last changed 2022/06/07 07:52

_id ecaade2015_37
id ecaade2015_37
authors Forster, Julia; Fritz, Sara, Schleicher, Johannes and Rab, Nikolaus
year 2015
title Developer Tools for Smart Approaches to Responsible-Minded Planning Strategies
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. 545-551
doi https://doi.org/10.52842/conf.ecaade.2015.1.545
wos WOS:000372317300059
summary The city of Vienna follows a long-term initiative to become a Smart City. Within 2050 it aims to reduce 80% of the CO2 emissions (in comparison to 1990) and looks forward to generate ways for a sustainable energy production. (Smart City Framework Strategy 2014) Reaching this targets requires a complex planning process which involves interdisciplinary stakeholders and decision makers. An interactive multi-dimensional environment, comprising spatial objects and data models, is a helpful tool during these planning processes. This paper proposes a suitable path for the development of a structural framework for such an environment. The benefits of such an environment are shown in detail, based on an application of the economic solar heat potential in Vienna.
series eCAADe
email
last changed 2022/06/07 07:51

For more results click below:

this is page 0show page 1show page 2show page 3show page 4show page 5... show page 33HOMELOGIN (you are user _anon_718752 from group guest) CUMINCAD Papers Powered by SciX Open Publishing Services 1.002