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Multistability of Connected Variable Stiffness Laminates

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cris.virtual.departmentIndian Institute of Technology, Madras
cris.virtual.department#PLACEHOLDER_PARENT_METADATA_VALUE#
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dc.contributor.authorPhanendra Kumar, A.
dc.contributor.authorAnilkumar, P. M.
dc.contributor.authorHaldar, A.
dc.contributor.authorScheffler, S.
dc.contributor.authorB Nageswara Rao
dc.contributor.authorRolfes, R.
dc.date.accessioned2023-09-19T13:35:31Z
dc.date.available2023-09-19T13:35:31Z
dc.date.issued01-01-2022
dc.description.abstractMultistable laminates have been actively researched in the recent past, due to its potential in morphing applications in different engineering sectors. Unsymmetrical cross-ply laminates, which yield two stable cylindrical shapes, are widely investigated multistable structures, where the multistability is induced due to the residual thermal stresses. However, to improve the design space in such laminates, variable stiffness (VS) laminates with curvilinear fibre paths have been investigated recently. They have been found to generate diverse stable shapes, with the possibility to tailor snap-through loads. Connecting two different laminate plates can generate more than two stable configurations, often desired in morphing applications. This study aims to develop a highly multistable continuous composite plate by connecting two square VS laminates without any external fixing aids. A parametric study is performed to understand the effect of VS parameters on the snap-through forces in comparison with the results from conventional cross-ply laminates. The multistable shapes of the series-connected laminates are analysed within a commercially available finite element package. It is concluded from the study that VS laminates can produce multiple equilibrium states with lower actuation requirements, without compromising much on out-of-plane displacements.
dc.identifier.doi10.1007/978-981-16-6738-1_5
dc.identifier.issn21954356
dc.identifier.scopus2-s2.0-85122562719
dc.identifier.urihttps://apicris.irins.org/handle/IITM2023/21491
dc.relation.ispartofseriesLecture Notes in Mechanical Engineering
dc.sourceLecture Notes in Mechanical Engineering
dc.subjectActuation energy
dc.subjectBistable laminates
dc.subjectMorphing structures
dc.subjectMultistable structures
dc.subjectVariable stiffness laminates
dc.titleMultistability of Connected Variable Stiffness Laminates
dc.typeBook Series
dspace.entity.typePublication
oaire.citation.endPage64
oaire.citation.startPage51
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oairecerif.author.affiliation#PLACEHOLDER_PARENT_METADATA_VALUE#
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oairecerif.author.affiliationIndian Institute of Technology, Madras
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person.affiliation.cityChennai
person.affiliation.cityCardiff
person.affiliation.cityHannover
person.affiliation.id60025757
person.affiliation.id60023998
person.affiliation.id60004935
person.affiliation.nameIndian Institute of Technology Madras
person.affiliation.nameCardiff University
person.affiliation.nameGottfried Wilhelm Leibniz Universität Hannover
person.identifier.scopus-author-id57221461647
person.identifier.scopus-author-id57205495260
person.identifier.scopus-author-id35787867100
person.identifier.scopus-author-id14038006000
person.identifier.scopus-author-id24462032800
person.identifier.scopus-author-id7003560119
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