... beams (structures) damping eigenvalues and eigenfunctions modal analysis vibrations Output-only modal analysis has gained popularity over recent years (for example, Refs. [ 1 – 10 ]). Advantages of output-only analysis over traditional modal analysis are the following: (I) In many real life...

... , “ The Use of Fast Fourier Transform for the Estimation of Power Spectra: A Method Based in Time Averaging Over Shot, Modified Periodograms ,” IEEE Trans. Audio Electroacoust. , 15 , pp. 70 – 73 . 10.1109/TAU.1967.1161901 18 09 2009 28 07 2011 26 01 2012 26 01 2012 beams...

... mode shapes that were obtained experimentally. 04 06 2010 06 07 2011 13 01 2012 13 01 2012 beams (structures) Doppler measurement impact (mechanical) least squares approximations measurement by laser beam motion measurement vibration measurement vibrations...

... 13 01 2012 13 01 2012 beams (structures) differential algebraic equations linear synchronous motors motion control multidimensional systems nonlinear systems periodic control piezoelectric actuators servomechanisms structural acoustics vibration control vibrations...

... such as bridges and buildings. 04 10 2010 09 05 2011 24 05 2011 28 12 2011 28 12 2011 aeroacoustics aerodynamics beams (structures) dynamic response energy harvesting piezoelectricity structural acoustics vibrations wind power wireless sensor networks Galloping...

...: ( a ) the first mode, ( b ) the second mode 25 08 2010 15 03 2011 28 12 2011 28 12 2011 acceleration beams (structures) elasticity integration stability structural acoustics viscoelasticity viscosity parametric stability axially accelerating viscoelastic beam...

... not be neglected for an accurate analysis of a thick curved beam with a large curvature parameter. 17 08 2010 12 05 2011 22 12 2011 22 12 2011 acoustic wave propagation beams (structures) Coriolis force dispersion relations elastic waves elasticity frequency response shear...

... equations [( 16 )] or for beam equations [( 17 )]. The main goal of applied mathematicians, mechanical and civil engineers, and physicists is to reduce the vibrations in these devices because they cause damage to the structure. beams (structures) damping initial value problems perturbation theory...

... in which TeLD or CoLD treatment was used alone. Experimental results match the simulations up to reasonable accuracy. 18 09 2009 28 07 2011 29 07 2011 28 11 2011 28 11 2011 beams (structures) damping differential equations digital control eigenvalues...

... lead to failure of the device. It is noted also that, for some PCB designs, the response of the microstructure can be amplified significantly causing early dynamic pull-in and hence possibly failure of the device. 13 04 2010 18 09 2011 28 11 2011 28 11 2011 beams (structures...

... provides an effective means of moving the structural resonance of the structure out of the frequency range of interest, the process of computing the design variables (e.g., the rib size, the rib location, and so on) is computationally complex and time consuming. beams (structures) finite element...

... identified and then the severity of the damage can be estimated through harmonic probing. 04 02 2010 20 01 2011 26 07 2011 26 07 2011 beams (structures) cantilevers crack detection elastic constants frequency response nonlinear acoustics polynomials structural acoustics...

... 14 03 2011 26 07 2011 26 07 2011 acoustic wave propagation algebra beams (structures) composite materials frequency response Monte Carlo methods structural acoustics transient response Weibull distribution Among the different probabilistic methods in mechanics, direct...

... with both the classical VBT and DMA (when available) is presented. 16 02 2010 08 11 2010 11 04 2011 11 04 2011 beams (structures) dynamic testing frequency response laminates optimisation sandwich structures steel structural acoustics vibrations viscoelasticity...

... 8 9 10 11 . energy harvesting piezoelectric aspect ratio distributed tip mass beams (structures) cantilevers energy harvesting piezoelectric devices piezoelectricity vibrations This research was supported by the National Creative Research Initiatives Program (Korea...

.... 1134 – 1141 . 10.1016/S0141-0296(01)00004-9 03 10 2009 08 12 2010 07 04 2011 07 04 2011 beams (structures) displacement measurement elastic moduli vibrations axially prestressed elastic foundation concentrated masses rotatory inertia dynamic response...

... beams (structures) bending cantilevers damping eigenvalues and eigenfunctions sensitivity analysis structural acoustics time-domain analysis rotating beam torsional and bending vibrations Hamilton’s principle parameter sensitivity analysis complex eigenvalues The study...

... on multiple supports were investigated, as well as excitation frequency-frequency response curves drawn for different support numbers ( 22 ). axially moving beam vibration multiple support perturbation methods beams (structures) structural acoustics vibrations 11 11 2009 01 09...

... boundaries optimal design of an intermediate support minimum stiffness optimum position beams (structures) elasticity structural acoustics supports vibrations 11 01 2010 27 07 2010 31 03 2011 31 03 2011 2011 American Society of Mechanical Engineers ...

... efficient. 19 10 2009 26 05 2010 03 03 2011 03 03 2011 beams (structures) eigenvalues and eigenfunctions Laplace transforms plates (structures) shear modulus springs (mechanical) eigenfrequency beam plate concentrated mass/spring vibration resonator...