From Machine Control to Material Programming:

Wood, Dylan; GRÖNQUIST, PHILIPPE; Bechert, Simon; Aldinger, Lotte; RIGGENBACH, DAVID; LEHMANN, KATHARINA; RÜGGEBERG, MARKUS; BURGERT, INGO; Knippers, Jan; Menges, Achim

doi:10.2307/j.ctv13xpsvw.11

Cited by 8 publications

(3 citation statements)

References 0 publications

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“…Industrialisation can also be pivotal in advancing innovative engineered materials like cross-laminated timber. Leveraging the flexibility of digital fabrication, timber construction can be enhanced through material programming (Wood et al, 2020;Tamke et al, 2021). These experiences serve as a blueprint for reintroducing naturally grown materials through digital construction technology.…”

Section: Bespoke Fabrication Solutions For Natural Materials Complexitymentioning

confidence: 99%

Fabricate 2024

Ayres,

Thomsen,

Sheil

et al. 2024

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ARETI MARKOPOULOU ACADEMIC DIRECTOR, IAAC-INSTITUTE FOR ADVANCED ARCHITECTURE OF CATALONIAwe perceive resources and materialise buildings, but also encourages risk-taking in the Architecture, Engineering, and Construction industry, promoting growth, interdisciplinary collaboration, and innovation.We have many friends and colleagues to acknowledge and wish to start with our warmest thanks to our returning partners Blumer Lehman and ARUP, both of whom support FABRICATE through content, sponsorship, expertise, and exchange. To the Realdania Foundation, Cowifonden Foundation, Statens Kunstfond Foundation, and the Carlsberg Foundation, we express our sincere appreciation for their generous and transformational financial support. Denmark is privileged to have such a robust and extensive landscape of foundations to support research, practice, and dissemination across industry and the arts.In equal measure we thank the FABRICATE community for its continued passion and engagement with the subject matter and this event in particular. From this community we received more than 250 submissions from 45 countries; we would like to thank everyone who responded to the call for the extraordinary breadth, depth, and quality of work submitted, which made the process of review, selection, and curatorship extremely challenging. We are grateful to all authors and collaborators on each of the projects selected, and to all those who generously agreed to present their work.We are deeply appreciative of our wonderful 2024 and 2020 keynote presenters in turn, not only for your provocative orations, but also for your generosity in sharing the insights and perspectives published as the Dialogues in this book. We are indebted to kindred communities for their willingness to promote FABRICATE; this includes the ACADIA, LINA, CAFx and Rhino communities. Our thanks extend to our media partners ArchDaily, Dezeen and Actar/urbanNext.Our sincere gratitude is extended to The Royal Danish Academy for supporting this great enterprise. We thank publishers of the FABRICATE series as the widely acclaimed open access publication it has become; and to Srijana Gurung of the Bartlett communications team for her help with further disseminating the hardback copies in the UK. We are grateful to Riverside Architectural Press for their important role of distributing the publication in North America.Our thanks to those responsible for the tactile experience that you, as reader, are enjoying now: to Albe de Coker printers, we salute your passion for craft and detail, and deeply appreciate your kindness and tolerance -qualities that are vital in the making of well-made things.Finally, we would like to thank all our fellow peer reviewers for their invaluable contribution and generosity in ensuring the highest research standards across the FABRICATE 2024 selection process:

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Section: Bespoke Fabrication Solutions For Natural Materials Complexitymentioning

confidence: 99%

Fabricate 2024

Ayres,

Thomsen,

Sheil

et al. 2024

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“…It is both hygroscopic and anisotropic, which makes it respond to its surrounding relative humidity (RH) with shape changes depending on its grain direction and wood moisture content (WMC) [8,9]. When used for shaping large curved timber elements, wood bilayers are fabricated flat and self-shape during drying [10].…”

Section: Self-shaping Woodmentioning

confidence: 99%

Towards Self-shaping Metamaterial Shells:

Özdemir

Kiesewetter

Antorveza

et al. 2021

Proceedings of the 2021 DigitalFUTURES

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Double curvature enables elegant and material-efficient shell structures, but their construction typically relies on heavy machining, manual labor, and the additional use of material wasted as one-off formwork. Using a material’s intrinsic properties for self-shaping is an energy and resource-efficient solution to this problem. This research presents a fabrication approach for self-shaping double-curved shell structures combining the hygroscopic shape-changing and scalability of wood actuators with the tunability of 3D-printed metamaterial patterning. Using hybrid robotic fabrication, components are additively manufactured flat and self-shape to a pre-programmed configuration through drying. A computational design workflow including a lattice and shell-based finite element model was developed for the design of the metamaterial pattern, actuator layout, and shape prediction. The workflow was tested through physical prototypes at centimeter and meter scales. The results show an architectural scale proof of concept for self-shaping double-curved shell structures as a resource-efficient physical form generation method.

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“…The self-shaping wood bilayers in response to changes in RH have been explored and fabricated into a series of products, such as the "Urbach tower" [22,23], smart building ventilations-hygroscope or hygroskin [24][25][26], and self-propelling robot [27,28]. During the manufacturing of wood bilayers from the monolayer with initial moisture content (iMC) by means of hot-pressing, thermoplastic deformation occurred in the wood bilayers, which then affected the bending response of the bilayers.…”

Section: Introductionmentioning

confidence: 99%

Bending responses of self-shaping wood bilayers: comparison between adsorption and desorption processes

Peng,

Liu,

Zhu

et al. 2023

J Wood Sci

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Inspired by biological materials, the self-shaping wood composites induced by relative humidity (RH) have been investigated over the last decade. In this study, a wood bilayer was fabricated by assembling two layers with perpendicular fiber orientation in a series of thickness ratios and initial moisture contents (iMC). The self-shaping response of the wood bilayer was explored as a function of its configuration, and the discrepancies between moisture adsorption and desorption processes were clarified. Higher iMC limited the evolution of curvature. During both the adsorption and desorption processes, a reversed bending response was observed, and there was a hysteretic bending behavior between them. Repeatable bending was achieved during the cyclic ad/desorption process, and a larger hysteresis loop was observed at a lower thickness ratio. Finite-element analysis showed that the maximum stress occurred at the interface between the active and passive layers, and larger thickness ratios had lower maximum stress. In addition, the bilayer composed of a 200 μm passive layer and a 400 μm active layer with 0.6% iMC was found to be the most sensitive to RH change. The results of this study elucidate the moisture-dependent bending response of wood bilayers and provide the possibility of precisely controlling the curvature of self-shaping wood composites in industrial applications.

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From Machine Control to Material Programming:

Cited by 8 publications

References 0 publications

Fabricate 2024

Fabricate 2024

Towards Self-shaping Metamaterial Shells:

Bending responses of self-shaping wood bilayers: comparison between adsorption and desorption processes

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