Flow-induced deformation of kirigami sheets

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August undefined, 2024

WebFeb 22, 2024 · Figure 1. Flow-induced deformation of a kirigami sheet. (a) Deployment in a water crossflow. (b) Typical shape profiles extracted from top-view pictures of the … Webembedded array of cuts (i.e., a perforated sheet), by largely stretching it we form a system that comprises a periodic distribution of both cuts and folds (i.e., a kirigami sheet). In …

A kirigami approach to engineering elasticity in ... - Nature

WebJan 26, 2024 · The work draws on the art of kirigami, which involves both cutting and folding two-dimensional (2D) sheets of material to form three-dimensional (3D) shapes. Specifically, the researchers have developed a new technique that involves using kirigami to convert 2D sheets into curved 3D structures by cutting parallel slits across much of … WebFeb 24, 2024 · This gives rise to the formation of kirigami sheets comprising periodic distribution of cuts and permanent folds. As such, the proposed buckling-induced pop … dynamic assembly

Boundary curvature guided programmable shape …

WebSep 1, 2024 · A Kirigami modification on conventional triangular and trapezoidal corrugated structures is proposed in this study. This modification includes a laser cutting process on … WebWe investigate the deformation in a uniform water flow of thin sheets perforated with parallel cuts. Through combined experiments and theory, we show that deployment is governed by the competition between fluid forces and sheet stretchability, which is prescribed by the cut pattern. Importantly, fluid loading is modulated by the local three … WebWe investigate the deformation in a uniform water flow of thin sheets perforated with parallel cuts. Through combined experiments and theory, we show that deployment is … crystal strain seeds

Buckling-Induced Kirigami - Harvard University

Kirigami-Based Light-Induced Shape-Morphing and Locomotion

WebApr 13, 2024 · The introduction of patterns such as serpentine [105] or kirigami [106] patterns can relieve stress and strain pressure induced by the tough conductive dopant. Son et al. demonstrated that an electronically inactive self-healing polymer with embedded AgNWs can achieve favorable electrical properties and excellent self-healing [24] . http://nonlineaire.univ-lille1.fr/SNL/media/2024/presentations/short_talk_RNL2024_T_Marzin_compressed.pdf dynamic assembly tulsaWebMay 2, 2024 · sheet shown in Fig.1C. and (B) the kirigami shell shown in Fig.1D. (C)-(D) Projection in the xy-plane of a line passing through hinges (such line is indicated in orange in A and B) as reconstructed using a custom laser proﬁlometer for (C) the kirigami sheet and (D) kirigami shell. The deformation of the hinges is highlighted in orange. (E) dynamic assessment of l2 development

"Web(PET) sheet with an average thickness of 0.127 mm. A particular kirigami two-dimensional (2D) precursor was then patterned onto the PET sheet via laser cutting. Then, the kirigami sheet was mounted onto a stainless steel cylinder with a radius of r 0 and heated in oven for 1 hour to form a kirigami cylindrical shell with a single principal " - Flow-induced deformation of kirigami sheets

Flow-induced deformation of kirigami sheets

Journal Club for March 2024: Kirigami metamaterials …

Webat sheets with an embedded array of cuts can result in out-of-plane deformation [19{26]. However, while a wide range of 3D architectures have been realized by triggering … WebFeb 22, 2024 · Flow-induced deformation of kirigami sheets. T om Marzin, Kerian Le Hay, Emmanuel de Langre, and Sophie Ramananarivo. LadHyX, CNRS, Ecole Polytec …

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WebKirigami technique, which is the Japanese art of paper cutting, turns inextensible sheets into ultra-stretchable structures through the opening up of the material [1] enabled by slits (figure1a). In a flow, kirigami sheets thus act as a poro-elastic surfaces : the structure deforms, opening pores which in turns affect fluid loading. WebA particular kirigami two-dimensional (2D) precursor was then patterned onto the PET sheet via laser cutting. Then, the kirigami sheet was mounted onto a stainless steel cylinder with a radius of r 0 and heated in oven for 1 hour to form a kirigami cylindrical shell with a single principal curvature of κ 0 = 1/r 0 . This cylindrical curvature ...

WebMar 1, 2024 · - Kirigami display: An et al. showed introducing hierarchical cut patterns into thin elastic sheets triggers a variety of different buckling‐induced 3D deformation patterns, and the hierarchy can be … WebIn Fig. 1 C and D, we show snapshots of the kirigami sheet and kirigami shell at different levels of applied deformation. We ﬁnd that the responses of the two structures are remarkably dif-ferent (Movie S3). In the kirigami sheet at a critical strain, all triangular features simultaneously pop up, forming a uniform 3D Signiﬁcance

WebJan 26, 2024 · Kirigami, a traditional paper cutting art, offers a promising strategy for 2D-to-3D shape morphing through cut-guided deformation. Existing kirigami designs for … Webior. Moreover, the sheet thickness signiﬁcantly affects the transition from in-plane deformation to out-of-plane deforma-tion, and a thin sheet is prone to trigger mechanical instabil-ities with induced buckling, forming a variety of three dimensional (3D) architectures.19–22 The Kirigami approach

Webembedded array of cuts (i.e., a perforated sheet), by largely stretching it we form a system that comprises a periodic distribution of both cuts and folds (i.e., a kirigami sheet). In particular, we note that our kirigami sheets possess several deformation characteristics of the Miura-ori [2,3] and zigzag-base folded kirigami [12,13] (see movie ...

Webkirigami patterns in a photoresponsive thin film based on liquid crystal polymer network (LCN). External stress fields induced by stretching, twisting, and bending are used to … dynamic assessment of young childrenWebJun 22, 2015 · During the deformation process, kirigami-patterned sheets exhibit out-of-plane deflection due to mechanical bistability (Supplementary Fig. 1) 27,28. This out-of … dynamic assembly lineWebFeb 21, 2024 · The buckling-induced Miura kirigami sheet (a) is flat foldable, (b) forms a saddle shape with a negative Gaussian curvature upon nonplanar bending, (c) twists … crystals tramWebFeb 24, 2024 · Abstract: We investigate the mechanical response of thin sheets perforated with a square array of mutually orthogonal cuts, which leaves a network of squares … crystal strand holdersWebContext: The work will be mostly experimental, characterizing the flow-induced deformation of kirigami sheets with generic slit patterns (involving imaging techniques, … crystal strandsWebDec 12, 2024 · More specifically, they found that by carefully choosing the thickness of the sheets and the width of the hinges associated with each hierarchical level, the stress–strain response of the surface can be effectively programmed and a variety of different buckling-induced 3D deformation patterns be triggered. dynamic assessment of motor speech skillWebFlow-induced deformation of kirigami sheets T. Marzin , E. de Langre, K. Le Hay & S. Ramananarivo ... Deformation in water flow Elasto-porous plate Complex interplay of pore opening, sheet deformation and fluid loading U U. U U fluid loading elastic restoring force K Meso-blades oprientations induce lift force and asymmetric crystal strand necklace