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Characterization and modeling of bistable laminates for kinetic shading screens
Umeå University, Faculty of Science and Technology, Umeå School of Architecture. School of Architecture, UNC Charlotte, NC, Charlotte, United States.ORCID iD: 0000-0003-1765-1259
Department of Mechanical Engineering Sciences, University of Surrey, Surrey, United Kingdom.
2024 (English)In: Architectural Science Review, ISSN 0003-8628, E-ISSN 1758-9622, Vol. 67, no 2, p. 165-172Article in journal (Refereed) Published
Abstract [en]

There is an critical need in kinetic envelope design to propose sustainable solutions that can adjust to changing outdoor conditions. Bistable composite laminates are compliant systems appealing for kinetic building envelopes because they present two stable equilibrium states and transition between them with little input energy. This study characterizes the behavior of bistable laminates for kinetic screens by developing an FEA model and conducting experimental testing to validate the model and compare both data sets. The FEA model predicts the laminates’ cured states, snap-through movement, and required actuation force. The FEA model can accurately predict the cured states of the laminates. Regarding the movement of the laminate and actuation force, the simulation results mostly correlate quantitatively with the experimental data and differ qualitatively. However, the FEA model can accurately predict the critical force required to snap through the laminates, which ranges between 2.5 and 4 N.

Place, publisher, year, edition, pages
Taylor & Francis, 2024. Vol. 67, no 2, p. 165-172
Keywords [en]
bistable laminates, buckling, compliant systems, FEA modelling, Kinetic envelopes, snap-through
National Category
Applied Mechanics Architectural Engineering
Identifiers
URN: urn:nbn:se:umu:diva-217334DOI: 10.1080/00038628.2023.2281401ISI: 001109504000001Scopus ID: 2-s2.0-85177607250OAI: oai:DiVA.org:umu-217334DiVA, id: diva2:1816284
Available from: 2023-12-01 Created: 2023-12-01 Last updated: 2024-04-26Bibliographically approved

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Vazquez, Elena

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