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Relevant bibliographies by topics / Bistable arches

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Academic literature on the topic 'Bistable arches'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Bistable arches"

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Pontecorvo, Michael E., Silvestro Barbarino, Gabriel J. Murray, and Farhan S. Gandhi. "Bistable arches for morphing applications." Journal of Intelligent Material Systems and Structures 24, no. 3 (2012): 274–86. http://dx.doi.org/10.1177/1045389x12457252.

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This article examines the bistable behavior of an arch for morphing applications. The arch has a cosine profile, is clamped at both ends, and is restrained axially by a spring at one end. Fabrication and testing of several Delrin and NiTiNOL arch specimens (with varying arch height, thickness, and spring stiffness) were followed by ANSYS finite element modeling, and the ANSYS simulation results showed good overall agreement with the test results. A parametric study was conducted using the ANSYS model to assess the influence of arch thickness, height, and spring stiffness on the bistable behavi

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Palathingal, Safvan, and G. K. Ananthasuresh. "Analytical modelling of spatial deformation pathways in planar and spatial shallow bistable arches." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475, no. 2227 (2019): 20190164. http://dx.doi.org/10.1098/rspa.2019.0164.

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We analyse spatial bistable arches and present an analytical model incorporating axial, two transverse bending and torsion energy components. We extend the St. Venant and Michell relationship used in flexural-torsional buckling of planar arches and use it in modelling spatial arches. We study deformation pathways in spatial arches and their effect on critical characteristics of bistability such as back and forth switching forces, and the distance travelled by a point of the arch. We show that not considering spatial deformation leads to incorrect inferences concerning the bistability of planar

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Avetisov, Vladik A., Maria A. Frolkina, Anastasia A. Markina, Alexander D. Muratov, and Vladislav S. Petrovskii. "Short Pyridine-Furan Springs Exhibit Bistable Dynamics of Duffing Oscillators." Nanomaterials 11, no. 12 (2021): 3264. http://dx.doi.org/10.3390/nano11123264.

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The intensive development of nanodevices acting as two-state systems has motivated the search for nanoscale molecular structures whose dynamics are similar to those of bistable mechanical systems, such as Euler arches and Duffing oscillators. Of particular interest are the molecular structures capable of spontaneous vibrations and stochastic resonance. Recently, oligomeric molecules that were a few nanometers in size and exhibited the bistable dynamics of an Euler arch were identified through molecular dynamics simulations of short fragments of thermo-responsive polymers subject to force loadi

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Cai, Jianguo, Xiaowei Deng, and Jian Feng. "Effects of symmetric imperfections on the behavior of bistable struts." Mathematics and Mechanics of Solids 22, no. 12 (2016): 2240–52. http://dx.doi.org/10.1177/1081286516664565.

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The behavior of a bistable strut for variable geometry structures was investigated in this paper. A three-hinged arch subjected to a central concentrated load was used to study the effect of symmetric imperfections on the behavior of the bistable strut. Based on a nonlinear strain–displacement relationship, the virtual work principle was adopted to establish both the pre-buckling and buckling nonlinear equilibrium equations for the symmetric snap-through buckling mode. Then the critical load for symmetric snap-through buckling was obtained. The results show that the axial force is in compressi

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Sabale, Aditya, and K. V. Nagendra Gopal. "Nonlinear In-Plane Stability of Deep Parabolic Arches Using Geometrically Exact Beam Theory." International Journal of Structural Stability and Dynamics 18, no. 01 (2018): 1850006. http://dx.doi.org/10.1142/s0219455418500062.

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In this paper, we investigate the in-plane stability and post-buckling response of deep parabolic arches with high slenderness ratios subjected to a concentrated load on the apex, using the finite element implementation of a geometrically exact rod model and the cylindrical version of the arc-length continuation method enabled with pivot-monitored branch-switching. The rod model used here includes geometrically exact kinematics of the cross-section, exact kinetics, and a linear elastic constitutive law; and advantageously employs quaternion parameters to treat the cross-sectional rotations and

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Palathingal, Safvan, and G. K. Ananthasuresh. "A bilateral relationship between stable profiles of pinned–pinned bistable shallow arches." International Journal of Solids and Structures 143 (June 2018): 183–93. http://dx.doi.org/10.1016/j.ijsolstr.2018.03.006.

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Palathingal, Safvan, and G. K. Ananthasuresh. "Design of bistable arches by determining critical points in the force-displacement characteristic." Mechanism and Machine Theory 117 (November 2017): 175–88. http://dx.doi.org/10.1016/j.mechmachtheory.2017.07.009.

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Librandi, Gabriele, Eleonora Tubaldi, and Katia Bertoldi. "Programming nonreciprocity and reversibility in multistable mechanical metamaterials." Nature Communications 12, no. 1 (2021). http://dx.doi.org/10.1038/s41467-021-23690-z.

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AbstractNonreciprocity can be passively achieved by harnessing material nonlinearities. In particular, networks of nonlinear bistable elements with asymmetric energy landscapes have recently been shown to support unidirectional transition waves. However, in these systems energy can be transferred only when the elements switch from the higher to the lower energy well, allowing for a one-time signal transmission. Here, we show that in a mechanical metamaterial comprising a 1D array of bistable arches nonreciprocity and reversibility can be independently programmed and are not mutually exclusive.

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Palathingal, Safvan, and G. K. Ananthasuresh. "Analysis and Design of Fixed–Fixed Bistable Arch-Profiles Using a Bilateral Relationship." Journal of Mechanisms and Robotics 11, no. 3 (2019). http://dx.doi.org/10.1115/1.4043044.

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Arch-profiles of bistable arches, in their two force-free equilibrium states, are related to each other. This bilateral relationship is derived for arches with fixed–fixed boundary conditions in two forms: a nonlinear single-variable equation for analysis and a closed-form analytical expression for design. Some symmetrical features of shape as well as necessary and sufficient conditions for bistability are presented as corollaries. Analysis and design of arch-profiles using the bilateral relationship are illustrated through examples.

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Alqasimi, Jihad E., and Hassen M. Ouakad. "Vibrational Response of Initially Deformed Bistable Microbeams Under the Combined Effect of Mechanical Shock Loads and Electrostatic Forces." Journal of Vibration and Acoustics 140, no. 2 (2017). http://dx.doi.org/10.1115/1.4038107.

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This paper focuses on the influence of sudden drop tests on the nonlinear structural behavior of electrically actuated bi-table shallow microelectromechanical system (MEMS) arches. The assumed structure consists of an initially bell-shaped doubly clamped microbeam with a rectangular cross section. The Euler–Bernoulli beam theory is assumed to model the nonlinear structural behavior of the bistable system under the combined effect of both the direct current (DC) actuating load and the shaking waves. Moreover, the structural model takes into account both geometric midplane stretching and electri

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Dissertations / Theses on the topic "Bistable arches"

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Palathingal, Safvan. "Statics of Shallow Bistable Arches." Thesis, 2019. https://etd.iisc.ac.in/handle/2005/4626.

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Bistable arches have two force-free stable equilibrium configurations. They also show multimodality by switching between their stable states in multiple deformation pathways. These two attributes and their nonlinear force-displacement characteristic are desirable in a range of engineering applications. The analytical and semi-analytical methods developed in this work enable faster analysis than finite element analysis and also facilitate closed-form relationships for insightful design of arches. We show that arch profiles composed using the basis set of buckling mode shapes of the straight co

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Book chapters on the topic "Bistable arches"

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Banik, Deepayan, Safvan Palathingal, G. K. Ananthasuresh, and Amitabha Ghosh. "A Mechanical OR Gate Using Pinned-Pinned Bistable Arches." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4477-4_61.

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Maharana, Priyabrata, Jyoti Sonawane, Pavan Belehalli, and G. K. Anathasuresh. "Analysis of Planar Bistable and Snap-through Arches for Contact and Dynamic Loads." In Advances in Mechanism and Machine Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_320.

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Palathingal, Safvan, and G. K. Ananthasuresh. "Design of Bistable Pinned-Pinned Arches with Torsion Springs by Determining Critical Points." In Lecture Notes in Electrical Engineering. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2875-5_56.

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Conference papers on the topic "Bistable arches"

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Smith, Matthew L., M. Ravi Shankar, Ryan Backman, et al. "Designing light responsive bistable arches for rapid, remotely triggered actuation." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Nakhiah C. Goulbourne and Hani E. Naguib. SPIE, 2014. http://dx.doi.org/10.1117/12.2044906.

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Krylov, Slava, and Nir Dick. "Pull-In Dynamics of Electrostatically Actuated Bistable Micro Beam." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87236.

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Results of theoretical investigation of the transient dynamics of an initially curved electrostatically actuated clamped-clamped micro beam are presented. A reduced order model of the shallow Euler-Bernoulli arch developed using the Galerkin procedure with eigenmodes of a straight beam as a basis accounts for the distributed electrostatic and inertial loading, fringing electric fields and nonlinear squeeze film damping. Due to the unique combination of mechanical and electrostatic nonlinearities which is intrinsic in micro devices but is not encountered naturally in large-scale structures, the

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Ruzziconi, Laura, Mohammad I. Younis, and Stefano Lenci. "Nonlinear Dynamics of an Imperfect Microbeam Under an Axial Load and Electric Excitation." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48601.

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This study is motivated by the growing attention, both from a practical and a theoretical point of view, toward the nonlinear behavior of microelectromechanical systems (MEMS). We analyze the nonlinear dynamics of an imperfect microbeam under an axial force and electric excitation. The imperfection of the microbeam, typically due to microfabrication processes, is simulated assuming the microbeam to be of a shallow arched initial shape. The device has a bistable static behavior. The aim is that of illustrating the nonlinear phenomena, which arise due to the coupling of mechanical and electrical

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