1,949 Hits in 11.5 sec

Dataset of measurements for the experimental CEA-beam benchmark structure subjected to one stochastic broadband excitation

T. Roncen, J.-P. Lambelin, Y. Chantereau, J-J. Sinou
2021 Data in Brief  
Sinou, Nonlinear vibrations of a beam with non-ideal boundary conditions and stochastic excitations - experiments, modeling and simulations, Communications in Nonlinear Science and Numerical Simulation  ...  One of the main original contributions is to share the data sets to give the opportunity to researchers for testing and validating analytical or numerical models of a nonlinear beam with non-ideal boundary  ...  Sinou acknowledges the support of the Institut Universitaire de France .  ... 
doi:10.1016/j.dib.2021.106798 pmid:33604425 pmcid:PMC7875815 fatcat:akunvf6dbjfidfnqj4o3552qri

Review of Response and Damage of Linear and Nonlinear Systems under Multiaxial Vibration

Ed Habtour, William (Skip) Connon, Michael F. Pohland, Samuel C. Stanton, Mark Paulus, Abhijit Dasgupta
2014 Shock and Vibration  
A review of past and recent developments in multiaxial excitation of linear and nonlinear structures is presented.  ...  for flexible structures, and (iv) computational models for large deformation in response to multiaxial excitation.  ...  The dynamics of nonlinear beams with complicated boundary conditions were also investigated.  ... 
doi:10.1155/2014/294271 fatcat:xpssxbxm2jgjbhfumonbeewwfa

sj-pdf-2-jim-10.1177_1045389X20978292 – Supplemental material for Dynamics of symmetric and asymmetric potential well-based piezoelectric harvesters: A comprehensive review

Abhijeet Madhukar Giri, Shaikh Faruque Ali, Arunachalakasi Arockiarajan
2020 Figshare  
Supplemental material, sj-pdf-2-jim-10.1177_1045389X20978292 for Dynamics of symmetric and asymmetric potential well-based piezoelectric harvesters: A comprehensive review by Abhijeet Madhukar Giri, Shaikh  ...  Faruque Ali and Arunachalakasi Arockiarajan in Journal of Intelligent Material Systems and Structures  ...  2002 Gerashchenko (2003) ) 2003 Jia and Seshia (2013) 2013 He and Daqaq (2014) 2014 Zheng et al. (2014) 2014 Cao et al. (2015a) 2015 Zhang et al. (2015) 2015 Zhang et al. (2016b) 2016 Wang  ... 
doi:10.25384/sage.13435566.v1 fatcat:h24jaisjczbtpbp46zzq74ctim

A bifurcation-based coupled linear-bistable system for microscale mass sensing

R.L. Harne, K.W. Wang
2014 Journal of Sound and Vibration  
Deterministic, stochastic, and non-stationary analyses demonstrate the operational principles and sensitivities of the method while experiments with proof-of-concept samples corroborate analytical results  ...  exact mass adsorption, could induce adverse nonlinear phenomena by prolonged excitation near the bifurcation, and are limited in the number and versatility of jump events.  ...  Acknowledgments This research was supported in part by the University of Michigan Collegiate Professorship fund. The authors wish to thank Mr.  ... 
doi:10.1016/j.jsv.2013.12.017 fatcat:ylhl5nxp3felbjugolw2bmcycq

A survey of geotechnical system identification techniques

Caglar Oskay, Mourad Zeghal
2011 Soil Dynamics and Earthquake Engineering  
These techniques have been used in estimation of system parameters, model development and calibration, as well as simulation of earthquake ground motions.  ...  This paper presents a survey of system identification techniques and analyses of full-and small-scale soil systems, with an emphasis on geotechnical earthquake engineering problems. *  ...  The calibrated model was thereafter used to predict soil response to a series of actual triaxial experiments with end friction (non-uniform stress conditions). Zhu et al.  ... 
doi:10.1016/j.soildyn.2010.11.011 fatcat:cs3g7wzrkbbzhocadg2ncpcu2i

A review of parametric resonance in microelectromechanical systems

Kari Moran, Christopher Burgner, Steven Shaw, Kimberly Turner
2013 Nonlinear Theory and Its Applications IEICE  
In addition, signal-to-noise issues are discussed with respect to the ultimate sensitivity of mass sensors that use parametric resonance, and strategies for obtaining the highest sensitivity are presented  ...  Many applications of microelectromechanical systems utilize mechanical vibratory motion. A number of interesting dynamical effects occur in these minimally damped, precisely manufactured devices.  ...  The content of the information does not necessarily reflect the position or the policy of the Government, and no official endorsement should be inferred.  ... 
doi:10.1587/nolta.4.198 fatcat:3bo4vs4zvvdzld5niwjxubfa5y

Piezoelectric power extraction from bending waves: Electroelastic modeling, experimental validation, and performance enhancement

S. Tol, F.L. Degertekin, A. Erturk
2016 Wave motion  
Such an approach is convenient for designing and employing linear and nonlinear vibration-based energy harvesters, such as base-excited cantilevers with piezoelectric laminates.  ...  The validity and application of the proposed methods are demonstrated with experimental case studies using a long slender beam.  ...  Additionally, an energy-harvesting end condition in a semi-infinite beam is introduced to minimize the reflection in the sense of creating ideally an anechoic boundary condition.  ... 
doi:10.1016/j.wavemoti.2015.08.008 fatcat:y3ecp3w42rg3zgnsm6vp3kgfre

Uncertainties and dynamic problems of bolted joints and other fasteners

R.A. Ibrahim, C.L. Pettit
2005 Journal of Sound and Vibration  
Most of the reported studies focused on the energy dissipation of bolted joints, linear and non-linear identification of the dynamic properties of the joints, parameter uncertainties and relaxation, and  ...  These problems are complex in nature because every joint involves different sources of uncertainty and non-smooth non-linear characteristics.  ...  Dynamic contacts in an elastic joint were simulated by a nonlinear joint model comprised of a non-linear spring and damper.  ... 
doi:10.1016/j.jsv.2003.11.064 fatcat:zqrhs5xn2ba2bjgcburhd6shpy

Wave turbulence buildup in a vibrating plate

María Inés Auliel, Benjamin Miquel, Nicolas Mordant
2015 European Physical Journal B : Condensed Matter Physics  
We report experimental and numerical results on the buildup of the energy spectrum in wave turbulence of a vibrating thin elastic plate.  ...  The propagation of a front at the second step is compatible with scaling predictions from the Weak Turbulence Theory.  ...  The laboratory LEGI is part of the LabEx Tec 21 (Investissements d'Avenir -grant agreement n • ANR-11-LABX-0030). All authors contributed equally to the investigations reported in this article.  ... 
doi:10.1140/epjb/e2015-60256-5 fatcat:4i5m66yfl5evpjpesfxjoawn4e

Experimental case studies for uncertainty quantification in structural dynamics

S. Adhikari, M.I. Friswell, K. Lonkar, A. Sarkar
2009 Probabilistic Engineering Mechanics  
The total 'random mass' is about 2% of the total mass of the beam and this experiment simulates 'random errors' in the mass matrix.  ...  The first is the quantification of parametric and nonparametric uncertainties associated with the model and the second is the propagation of uncertainties through the model.  ...  The beam experiment System model and experimental setup A steel beam with uniform rectangular cross-section is used for the experiment.  ... 
doi:10.1016/j.probengmech.2009.01.005 fatcat:qqsr56h4v5fatkxsjqfem7g4bi

Non-linear dynamics of wind turbine wings

J.W. Larsen, S.R.K. Nielsen
2006 International Journal of Non-Linear Mechanics  
Esmailzadeh and Jalili (1998) developed a linear structural model for a non-rotating cantilever Timoshenko beam with a tip mass excited by support motion causing parametric excitation.  ...  Overall Conclusions In the previous chapters a nonlinear structural beam model excited by aerodynamic loading and support point motion is formulated together with a nonlinear dynamic stall model.  ...  First a deterministic harmonic excitation with the circular frequency Ω ω 1 ω 2 is considered, which means that  ... 
doi:10.1016/j.ijnonlinmec.2006.01.003 fatcat:h322myeskbfnfgs6opily4qdgu

Finite element model correlation and calibration of historic masonry monuments: review

Sezer Atamturktur, Jeffrey A. Laman
2010 The Structural design of tall and special buildings  
and complicated boundary conditions between structural masonry components.  ...  Building a reliable fi nite element (FE) model of historic masonry structures is a diffi cult undertaking due to the challenges in accurate representation of irregular geometry, complex material behaviour  ...  Vestroni et al. (1996) completed experiments on a 1/5th scale masonry building under mechanical vibration excitation.  ... 
doi:10.1002/tal.577 fatcat:dhofculmhrbevpq4sxyh4og7si

Review of hydroelasticity theories for global response of marine structures

Xu-jun Chen, You-sheng Wu, Wei-cheng Cui, J. Juncher Jensen
2006 Ocean Engineering  
Applications to analysis of very large floating structures (VLFS) are reviewed and discussed in details.  ...  The theories are classified into different types: twodimensional linear theory, two-dimensional nonlinear theory, three-dimensional linear theory and three-dimensional nonlinear theory.  ...  On the assumption of ideal fluid and irrotational flow, the generalized hydrodynamic inertia, damping and restoring matrices, A, B and C together with the generalized wave exciting force E are defined  ... 
doi:10.1016/j.oceaneng.2004.04.010 fatcat:vnqwc6gx6jeetmqmnjkqvrei6m

Complex Behavior of a Buckled Beam Under Combined Harmonic and Random Loading [chapter]

R. Wiebe, S. M. Spottswood
2014 Nonlinear Dynamics, Volume 2  
Stochastic resonance, a surprising phenomenon in which a small harmonic load interacts with, and magnifies the response to, an otherwise pure random load, is also studied and observed to occur in the beam  ...  However, in venturing into the nonlinear regime, a designer must be aware of potential pitfalls, one of which is the possibility of unsafe responses "hiding in the weeds" of parameter or initial condition  ...  Acknowledgements The authors wish to thank Tom Eason and Joe Hollkamp for their helpful comments on this work, and Tim Bieberniss and Travis Wyen for their assistance in the laboratory.  ... 
doi:10.1007/978-3-319-04522-1_2 fatcat:rhme4cko6feqxd32dthspcj42a

Electroelastic modeling and experimental validations of piezoelectric energy harvesting from broadband random vibrations of cantilevered bimorphs

S Zhao, A Erturk
2012 Smart materials and structures (Print)  
The simulations exhibit very good agreement with the experimental measurements for a range of resistive electrical boundary conditions and input PSD levels.  ...  The analytical and numerical simulations are compared with several experiments for a brass-reinforced PZT-5H bimorph under different random excitation levels.  ...  Acknowledgments Support from the US Department of Commerce, National Institute of Standards and Technology, Technology Innovation Program, Cooperative Agreement Number 70NANB9H9007, 'Self-Powered Wireless  ... 
doi:10.1088/0964-1726/22/1/015002 fatcat:updlrwdloja6bjxawoeojjewtu
« Previous Showing results 1 — 15 out of 1,949 results