2018
DOI: 10.1016/j.mtcomm.2018.03.010
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Optimization for twist chirality of structural materials induced by axial strain

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Cited by 32 publications
(4 citation statements)
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“…More importantly, the chiral response of these metamaterials was strongly size-dependent: the magnitude of the twist decayed as the system size increased. Although multiple researchers have since reported structures with compression/extensiontwist coupling exhibiting larger absolute twists and a range of Poisson's ratios [24][25][26][27][28][29][30], these designs still suffer from size effects, which compromise their scalability. Moreover, the design processes for these metamaterials are ad hoc, and simultaneous control of twisting and Poisson's ratio remains a challenge.…”
Section: Introductionmentioning
confidence: 99%
“…More importantly, the chiral response of these metamaterials was strongly size-dependent: the magnitude of the twist decayed as the system size increased. Although multiple researchers have since reported structures with compression/extensiontwist coupling exhibiting larger absolute twists and a range of Poisson's ratios [24][25][26][27][28][29][30], these designs still suffer from size effects, which compromise their scalability. Moreover, the design processes for these metamaterials are ad hoc, and simultaneous control of twisting and Poisson's ratio remains a challenge.…”
Section: Introductionmentioning
confidence: 99%
“…[17] By systematic topology optimization approach and bimaterial microstructural design method, various topological patterns of CTC structures exhibiting desirable twist chirality were derived. [18,19] Cylindrical shell-type CTC structures feature reversible bidirectional twisting deformation in the axial compression and tension processes. The structures provide extraordinary properties that can be used in mechanical devices and microactuators.…”
Section: Introductionmentioning
confidence: 99%
“…The isotropy is ensured either by imposing a constraint or by making use of structural symmetries [21,22]. For now, topology optimization has been used to successfully design the isotropic microstructures with maximal bulk or shear modulus [23,24], maximal bulk and minimal shear modulus [25], pentamode/bi-mode modulus [8,26], negative Poisson's ratios [5,27], and compression-twisting behaviors [28].…”
Section: Introductionmentioning
confidence: 99%