Membrane vibration experiments: An historical review and recent results

Jenkins, Christopher; Korde, Umesh A.

doi:10.1016/j.jsv.2006.01.036

Cited by 74 publications

(42 citation statements)

References 27 publications

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“…When the pretension force varies over 4kN pretension force, the maximal amplitude tends to stable, and the influence of pretension force on maximal amplitude becomes little. The reason for this phenomenon is that the rigidity of outside plane is provided by the pretension force on the boundary (Jenkins and Korde, 2006). The rigidity of outside plane increases with the pretension force increasing.…”

Section: Latin American Journal Of Solids and Structures 14 (2017) 14mentioning

confidence: 99%

Dynamic Response of Orthotropic Membrane Structure under Impact Load based on Multiple Scale Perturbation Method

Zheng

Liu

et al. 2017

Lat. Am. j. solids struct.

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This paper investigates the dynamic response of rectangular prestressed membrane subjected to concentrated impact load based on multiple scale perturbation method. The governing equations of motion of nonlinear vibration are derived based on the Föppl large deflection theory and Galerkin method. By introducing different time scales to consider the process of vibration, the results of dynamic response are obtained by applying the multiple scale perturbation method. Furthermore, the effects of pretension force, velocity of load and dimension of membrane on the dynamic response of membrane are discussed. The present work studies the problem of the dynamic response of prestressed membrane subjected to concentrated impact load in different time scales, and provides a more accurate theoretical model for design of membrane structure.

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Section: Latin American Journal Of Solids and Structures 14 (2017) 14mentioning

confidence: 99%

Dynamic Response of Orthotropic Membrane Structure under Impact Load based on Multiple Scale Perturbation Method

Zheng

Liu

et al. 2017

Lat. Am. j. solids struct.

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“…There are numerous existing practical applications of membrane structure in architectural and civil engineering structures, diaphragms in switches and transducers, biomedical prosthesis such as artificial arteries and organs, and space-based applications such as radio antennas, optical reflectors and solar sails. From this background, research into membrane structures has become an important research topic in mechanical engineering contributing to ensuring the proper functioning of membrane structures, and assessment of vibration of membrane structures is important and has been investigated for at least three centuries [1].…”

Section: Introductionmentioning

confidence: 99%

“…Because of the extreme flexibility and lightness of membranes, the standard methods of experimental modal analysis, like with attaching accelerometers and shaker stringers directly to a vibrating structure, cannot be used with membranes, a such techniques lead to nonnegligible added mass and stiffness that influences and skews the results, making the use of noncontact measurement methods essential [1]. Chobotov investigated the non-linear vibration of membranes [2], with an experimental system using horn-acoustical excitation and employing a capacitance displacement sensor to measure the fundamental mode of circular Mylar membrane.…”

Section: Introductionmentioning

confidence: 99%

Damage detection in membrane structures using non-contact laser excitation and wavelet transformation

Huda

Kajiwara

Hosoya

2014

Journal of Sound and Vibration

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Abstract:In this paper, a vibration testing and health monitoring system based on an impulse response excited by laser is proposed to detect damage in membrane structures. A high power Nd: YAG pulse laser is used to supply an ideal impulse to a membrane structure by generating shock waves via laser-induced breakdown in air. A health monitoring apparatus is developed with this vibration testing system and a damage detecting algorithm which only requires the vibration mode shape of the damaged membrane. Artificial damage is induced in membrane structure by cutting and tearing the membrane. The vibration mode shapes of the membrane structure extracted from vibration testing by using the laser-induced breakdown and laser Doppler vibrometer are then analyzed by 2-D continuous wavelet transformation. The location of damage is determined by the dominant peak of the wavelet coefficient which can be seen clearly by applying a boundary treatment and the concept of an iso-surface to the 2-D wavelet coefficient. The applicability of the present approach is verified by finite element analysis and experimental results, demonstrating the ability of the method to detect and identify the positions of damage induced on the membrane structure.

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“…Currently, innovative practical applications exist for these structural models, such as antennas and solar sails for space applications, biotechnological prostheses and lightweight roofs designed in architecture and structural engineering (Jenkins & Korde 2006). The use of composite materials offers excellent mechanical performance combined with lightweight characteristics appropriate for membrane structures.…”

Section: Introductionmentioning

confidence: 99%

Elastic wave dispersion in microstructured membranes

Lombardo

Askes

2010

Proc. R. Soc. A.

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The effect of microstructural properties on the wave dispersion in linear elastic membranes is addressed in this paper. A periodic spring-mass lattice at the lower level of observation is continualized and a gradient-enriched membrane model is obtained to account for the characteristic microstructural length scale of the material. In the first part of this study, analytical investigations show that the proposed model is able to correctly capture the physical phenomena of wave dispersion in microstructured membrane which is overlooked by classical continuum theories. In the second part, a finite-element discretization of microstructured membrane is formulated by introducing the pertinent inertia and stiffness terms. Importantly, the proposed modifications do not increase the size of the problem compared wiith classical elasticity. Numerical simulations confirm that the vibrational properties are affected by the microstructural characteristics of the material, particularly in the high-frequency regime.

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Membrane vibration experiments: An historical review and recent results

Cited by 74 publications

References 27 publications

Dynamic Response of Orthotropic Membrane Structure under Impact Load based on Multiple Scale Perturbation Method

Dynamic Response of Orthotropic Membrane Structure under Impact Load based on Multiple Scale Perturbation Method

Damage detection in membrane structures using non-contact laser excitation and wavelet transformation

Elastic wave dispersion in microstructured membranes

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