Author
Diederik Veenendaal
Bio: Diederik Veenendaal is an academic researcher from ETH Zurich. The author has contributed to research in topics: Formwork & Force density. The author has an hindex of 11, co-authored 18 publications receiving 646 citations.
Topics: Formwork, Force density, Nonlinear system, Tension (physics), Bending
Papers
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21 Mar 2014
TL;DR: Ressenya del llibre: Shell structures for architecture: form finding and optimization by Sigrid Adriaenssens, Philippe Block, Diederik Veenendaal and Chris Williams.
Abstract: Acknowledgements Contents On architects and engineers Sharing the same spirit Introduction Part 1: Shells for Architecture 1. Exploring shell forms, John Ochsendorf, Philippe Block 2. Shaping forces, Laurent Ney, Sigrid Adriaenssens 3. What is a shell? Chris Williams 4. Physical modelling and form finding, Bill Addis 5. Computational form finding and optimization, Kai-Uwe Bletzinger, Ekkehard Ramm Part 2: Form Finding 6. Force density method, Klaus Linkwitz 7. Thrust network analysis, Philippe Block, Lorenz Lachauer, Matthias Rippmann 8. Dynamic relaxation, Sigrid Adriaenssens, Mike Barnes, Richard Harris, Chris Williams 9. Particle-spring systems, Shajay Bhooshan, Diederik Veenendaal, Philippe Block 10. Comparison of form-finding methods, Diederick Veenendaal, Philippe Block 11. Steering of form, Axel Kilian Part 3: Structural Optimization 12. Nonlinear force density method, Klaus Linkwitz, Diederick Veenendaal 13. Best-fit thrust network analysis, Tom Van Mele, Daniele Panozzo, Olga Sorkine-Hornung, Philippe Block 14. Discrete topology optimization, James N. Richardson, Sigrid Adriaenssens, Rajan Filomeno Coelho, Philippe Bouillard 15. Multi-criteria gridshell optimization, Peter Winslow 16. Eigenshells, Panagiotis Michalatos, Sawako Kaijima 17. Homogenization method, Irmgard Lochner-Aldinger, Axel Schumacher 18. Computational morphogenesis, Alberto Pugnale, Tomas Mendez Echenagucia, Mario Sassone Part 4: Precedents 19. The Multihalle and the British Museum, Chris Williams 20. Felix Candela and Heinz Isler, Maria E. Moreyra Garlock, David P. Billington 21. Structural design of free-curved RC shells, Mutsuro Sasaki The congeniality of architecture and engineering, Patrik Schumacher Appendices: 22. The finite element method in a nutshell, Chris Williams 23. Differential geometry and shell theory, Chris Williams 24. Genetic algorithms for structural design, Rajan Filomeno Coelho, Tomas Mendez Echenagucia, Alberto Pugnale, James N. Richardson 25. Subdivision surfaces, Paul Shepherd Index Bibliography List of Credits List of Projects List of Contributors
204 citations
TL;DR: A single computational framework using a sparse branch-node data structure is presented, showing how each method approaches the initial equilibrium problem, defines and linearizes the equilibrium equations applied to linear elements, and uses particular solving strategies.
191 citations
TL;DR: The concept of casting concrete in fabrics, fabric formwork technology, has resurfaced at various times and in different forms throughout the past century as discussed by the authors, including different types of flexible formwork, controlled permeability formwork and pneumatic formwork.
Abstract: The concept of casting concrete in fabrics, fabric formwork technology, has resurfaced at various times and in different forms throughout the past century. The following paper traces developments that have used fabrics for concrete formwork, including different types of flexible formwork, controlled permeability formwork and pneumatic formwork. This paper presents a comprehensive historical overview of fabric formwork, listing key innovators, technological developments and their advantages, and offering examples of structures built with these methods. The information gathered is used to present a taxonomy of these related formwork technologies as well as a formal definition of the term “fabric formwork” that encompasses them. The paper is intended to introduce readers to these technologies and offer readers already familiar with these methods additional historical background.
119 citations
TL;DR: In this paper, the authors explore flexible formwork construction technologies which embrace the fluidity of concrete to facilitate the practical construction of concrete structures with complex and efficient geometries, highlighting practical uses, research challenges and new opportunities.
Abstract: Concrete is our most widely used construction material. Worldwide consumption of cement, the strength-giving component of concrete, is estimated at 4.10 Gt per year, rising from 2.22 Gt just ten years ago [1]. This rate of consumption means that cement manufacture alone is estimated to account for 5.2 % of global carbon dioxide emissions [2]. Concrete offers the opportunity to economically create structures of almost any geometry. Yet its unique fluidity is seldom capitalised upon, with concrete instead being cast into rigid, flat moulds to create unoptimised geometries that result in high material use structures with large carbon footprints. This paper will explore flexible formwork construction technologies which embrace the fluidity of concrete to facilitate the practical construction of concrete structures with complex and efficient geometries. This paper presents the current state of the art in flexible formwork technology, highlighting practical uses, research challenges and new opportunities.
77 citations
TL;DR: In this paper, the authors explore the potential of combining a cable net with a fabric to scale the concept of flexible formworks to the size of large-span roofs and bridges, especially when applying a thin coat of concrete or mortar to form a shell structure.
56 citations
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01 Jan 2013
TL;DR: This article analyzed the evolution of the scientific consensus on anthropogenic global warming (AGW) in the peer-reviewed scientific literature, examining 11 944 climate abstracts from 1991 to 2011 matching the topics 'global climate change' or 'global warming'.
Abstract: We analyze the evolution of the scientific consensus on anthropogenic global warming (AGW) in the peer-reviewed scientific literature, examining 11 944 climate abstracts from 1991–2011 matching the topics 'global climate change' or 'global warming'. We find that 66.4% of abstracts expressed no position on AGW, 32.6% endorsed AGW, 0.7% rejected AGW and 0.3% were uncertain about the cause of global warming. Among abstracts expressing a position on AGW, 97.1% endorsed the consensus position that humans are causing global warming. In a second phase of this study, we invited authors to rate their own papers. Compared to abstract ratings, a smaller percentage of self-rated papers expressed no position on AGW (35.5%). Among self-rated papers expressing a position on AGW, 97.2% endorsed the consensus. For both abstract ratings and authors' self-ratings, the percentage of endorsements among papers expressing a position on AGW marginally increased over time. Our analysis indicates that the number of papers rejecting the consensus on AGW is a vanishingly small proportion of the published research. 2013 Environ. Res. Lett. 8 024024
577 citations
TL;DR: In this paper, the authors provide an overview of different particle-bed 3D printing techniques for the production of concrete elements, i.e., selective binder activation, selective paste intrusion and binder jetting.
252 citations
TL;DR: A single computational framework using a sparse branch-node data structure is presented, showing how each method approaches the initial equilibrium problem, defines and linearizes the equilibrium equations applied to linear elements, and uses particular solving strategies.
191 citations
TL;DR: In this article, the authors identified environmental guidelines to be considered during the design of digitally fabricated architecture and highlighted the opportunities of integrating additional functions in structural elements with digital fabrication to reduce the overall environmental impact of these multi-functional elements.
149 citations
TL;DR: In this article, a semi-analytical sensitivity weighting scheme was proposed to eliminate the effects of the chosen discretization on the design update. But, the sensitivity weights were not considered in this paper.
137 citations