Integrative design and fabrication methodology for bio-inspired folding mechanisms for architectural applications

Körner, Axel; Born, Larissa; Bucklin, Oliver; Suzuki, Seiichi; Vasey, Lauren; Gresser, Götz T.; Menges, Achim; Knippers, Jan

doi:10.1016/j.cad.2020.102988

Cited by 16 publications

(17 citation statements)

References 19 publications

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“…Hier sind bspw. die Demonstratoren an der Universität Stuttgart und der TU Berlin zu nennen [6–8]. Eine Weiterentwicklung dieser aktiven Ansätze hin zu energieeffizienten und autarken hybriden Konstruktionen wird in Abschn.…”

Section: Introductionunclassified

Hybride Konstruktionen an der BTU Cottbus‐Senftenberg

et al. 2021

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Die angestrebten Ziele einer Ressourcen‐ und Klimaneutralität erfordern ein radikaleres Umdenken der Bauschaffenden, das mit einer noch viel stärkeren Sensibilisierung der Auftraggeber für die Auswirkungen des Material‐ und Energieverbrauchs im Bausektor verbunden ist. Ein Ansatz, um diese Ziele zu erreichen, sind hybride Konstruktionen, in denen unterschiedliche Materialien, Elemente, Funktionen und Technologien auf mehreren Konstruktionsebenen ressourcen‐ und energieeffizient kombiniert sowie im Fall eines Rückbaus sortenrein rezykliert werden. Dieser anspruchsvolle Ansatz ist von Beginn an erklärtes Ziel des Lehrstuhls Hybride Konstruktionen – Massivbau an der BTU Cottbus‐Senftenberg und zieht sich durch alle Lehr‐ und Forschungsaktivitäten. Mit ausgewählten Forschungsprojekten werden Motivation und Methoden hybrider Konstruktionen sowie deren Potenzial für ressourcen‐ und klimaneutrale Konstruktionen anhand von Prototypen aufgezeigt. Hierbei steht neben der ökologischen Weiterentwicklung klassischer hybrider Konstruktionen aus nachwachsenden und rezyklierten Rohstoffen, bspw. Holz und Recyclingbeton, auch die Entwicklung aktiver hybrider Konstruktionen im Fokus. Die gezielte Integration von aktiven Technologien wie Sensorik, Aktuatorik und Regelungstechnik ermöglicht multifunktionale Konstruktionen, einen hohen Nutzungskomfort, einen geringeren Rohstoffverbrauch bis hin zur Energiegewinnung aus dynamischen Einwirkungen.

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Section: Introductionunclassified

Hybride Konstruktionen an der BTU Cottbus‐Senftenberg

et al. 2021

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“…The second series of tests investigate the influence of hinge width. The investigated hinge widths are based on experience values from previous research work and experiments [ 8 , 9 ]. The hinge width was increased by 2.5 cm steps, ranging from 5 cm to 15 cm width.…”

Section: Resultsmentioning

confidence: 99%

“…In contrast to sewing, this can also be done with pre-impregnated fabrics like ET222. A non-material-homogeneous connection between the layers has already been successfully applied in the ITECH Research Demonstrator 2018-19 in the form of screw connections next to the hinges [ 9 ]. In contrast to sewing, this can also be done with pre-impregnated fabrics like ET222.…”

Section: Discussionmentioning

confidence: 99%

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Deformation Behavior of Elastomer-Glass Fiber-Reinforced Plastics in Dependence of Pneumatic Actuation

et al. 2021

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This paper aims to define the influencing design criteria for compliant folding mechanisms with pneumatically actuated hinges consisting of fiber-reinforced plastic (FRP). Through simulation and physical testing, the influence of stiffness, hinge width as well as variation of the stiffness, in the flaps without changing the stiffness in the hinge zone, was evaluated. Within a finite element model software, a workflow was developed for simulations, in order to infer mathematical models for the prediction of mechanical properties and the deformation behavior as a function of the aforementioned parameters. In conclusion, the bending angle increases with decreasing material stiffness and with increasing hinge width, while it is not affected by the flap stiffness itself. The defined workflow builds a basis for the development of a predictive model for the deformation behavior of FRPs.

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“…Nature offers skins, envelopes, and structures that react to environmental stimuli and have been optimized through extensive evolutionary processes to cope with the environment and enhance material, water, and energy use [ 36 , 46 ]. It is necessary to know how the envelope may react or change functionally and organically according to the climate condition to implement biomimicry as a source of inspiration for responsive envelopes [ 47 ].…”

Section: Biomimicry In Responsive Envelopes and Applicationsmentioning

confidence: 99%

Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches

2023

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Buildings must adapt and respond dynamically to their environment to reduce their energy loads and mitigate environmental impacts. Several approaches have addressed responsive behavior in buildings, such as adaptive and biomimetic envelopes. However, biomimetic approaches lack sustainability consideration, as conducted in biomimicry approaches. This study provides a comprehensive review of biomimicry approaches to develop responsive envelopes, aiming to understand the connection between material selection and manufacturing. This review of the last five years of building construction and architecture-related studies consisted of a two-phase search query, including keywords that answered three research questions relating to the biomimicry and biomimetic-based building envelopes and their materials and manufacturing and excluding other non-related industrial sectors. The first phase focused on understanding biomimicry approaches implemented in building envelopes by reviewing the mechanisms, species, functions, strategies, materials, and morphology. The second concerned the case studies relating to biomimicry approaches and envelopes. Results highlighted that most of the existing responsive envelope characteristics are achievable with complex materials requiring manufacturing processes with no environmentally friendly techniques. Additive and controlled subtractive manufacturing processes may improve sustainability, but there is still some challenge to developing materials that fully adapt to large-scale and sustainability needs, leaving a significant gap in this field.

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Integrative design and fabrication methodology for bio-inspired folding mechanisms for architectural applications

Cited by 16 publications

References 19 publications

Hybride Konstruktionen an der BTU Cottbus‐Senftenberg

Hybride Konstruktionen an der BTU Cottbus‐Senftenberg

Deformation Behavior of Elastomer-Glass Fiber-Reinforced Plastics in Dependence of Pneumatic Actuation

Environmentally Responsive Materials for Building Envelopes: A Review on Manufacturing and Biomimicry-Based Approaches

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