2020
DOI: 10.1177/1081286520937339
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Are higher-gradient models also capable of predicting mechanical behavior in the case of wide-knit pantographic structures?

Abstract: The central theme of this study is to investigate a remarkable capability of a second-gradient continuum model developed for pantographic structures. The model is applied to a particular type of this metamaterial, namely the wide-knit pantograph. As this type of structure has low fiber density, the applicability of such a continuum model may be questionable. To address this uncertainty, numerical simulations are conducted to analyze the behavior of a wide-knit pantographic structure, and the predicted results … Show more

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Cited by 55 publications
(24 citation statements)
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“…This understanding can be applied to the description of real pantographic sheets, that are constituted by a finite number of beams. In fact, it has to be remarked, in this context, that the range of applicability of homogenized models seems to be larger than expected [31]. In this paper, also by exploiting the mentioned mechanical interpretation of macro-constitutive parameters, it is shown how the method of representation by means of Green's functions is applicable to find the linearized equilibrium configurations of pantographic continua.…”
Section: Introductionmentioning
confidence: 88%
“…This understanding can be applied to the description of real pantographic sheets, that are constituted by a finite number of beams. In fact, it has to be remarked, in this context, that the range of applicability of homogenized models seems to be larger than expected [31]. In this paper, also by exploiting the mentioned mechanical interpretation of macro-constitutive parameters, it is shown how the method of representation by means of Green's functions is applicable to find the linearized equilibrium configurations of pantographic continua.…”
Section: Introductionmentioning
confidence: 88%
“…It could be applied to strain gradient elasticity (for which a justification can be found in [63]), or to related continuum models such as micromorphic continuum [64]. The synthesis problem of such continua, obtained using lattice structure [65][66][67], would also benefit of such explicit symmetry classes characterization. For these, even large deformation [68] or singular constitutive laws [69] could be considered.…”
Section: Can One Decide By Finitely Many Algebraic Calculations What Is the Symmetry Class Of A Given Elasticity Tensor?mentioning
confidence: 99%
“…It is believed that such a result represents a further step towards the design of more complex piezo-electromechanical structures, eventually aiming to the conception of multi-physics metamaterials [36][37][38][39][40]. To this aim, future works may consider assembling different simple piezo-electro-mechanical microsubstructures in order to synthesize [41][42][43][44][45] novel metamaterials showing an optimized dynamic behavior.…”
Section: Discussionmentioning
confidence: 99%