... Damping Frequency Damping Mode 1 0.4209 0.0119 0.4208 0.0125 Mode 2 1.0000 0.0050 0.9958 0.0050 Mode 3 1.6801 0.0030 1.7844 0.0054 18 12 2009 07 04 2010 26 01 2012 26 01 2012 beams (structures) damping eigenvalues and eigenfunctions modal...

... 26 01 2012 26 01 2012 beams (structures) damping robust control stability structural acoustics vibration control It is a well known fact that all flexible structures are subjected to change in system parameters with the passage of time due to change in operating conditions...

.... , and Miller , A. K. , 1984 , “ Combined Experimental/Analytical Modeling Using Component Mode Synthesis ,” Presented at the AIAA/ASME/ASCE/AHS Structures, Structural Dynamics & Materials Conference , Palm Springs, CA. 04 06 2010 06 07 2011 13 01 2012 13 01 2012 beams...

... 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...

... 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 MIRRORCLE longitudinally varying tensions finite...

... 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...

.... A multiple time-scales perturbation method is used to construct formal asymptotic approximations of the solutions, and it is shown how different oscillation modes are damped. beams (structures) damping initial value problems perturbation theory springs (mechanical) vibrations To obtain...

... with f MEMS ≈ fn 3 . The PCB’s natural frequencies are fn 1  = 1 kHz , fn 3  = 9 kHz , fn 5  = 25.3 kHz , and fn 7  = 50 kHz . 13 04 2010 18 09 2011 28 11 2011 28 11 2011 beams (structures) cantilevers damping differential equations dynamic response failure...

... beams (structures) damping differential equations digital control eigenvalues and eigenfunctions finite element analysis flexible structures polymers structural acoustics tensile strength vibration control Research has been intensifying over the past two decades regarding active...

...) of the dimpled beam and that of the designated weak mode(s). 24 05 2010 23 12 2010 31 08 2011 20 09 2011 beams (structures) finite element analysis optimisation vibrations A structure that radiates minimal acoustic energy is generally referred to as a weak radiator...

... Frequencies ,” J. Sound Vib. 0022-460X , 247 ( 3 ), pp. 417 – 429 . 10.1006/jsvi.2001.3748 Sinha , J. K. , Friswell , M. I. , and Edwards , S. , 2002 , “ Simplified Models for the Location of Cracks in Beam Structures Using Measured Vibration Data ,” J. Sound Vib. 0022-460X...

... ). 21 09 2010 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 Composite structures provide opportunities...

... 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...

... harvesting mechanisms may be found in Refs. 1 3 4 8 9 10 11 . energy harvesting piezoelectric aspect ratio distributed tip mass beams (structures) cantilevers energy harvesting piezoelectric devices piezoelectricity vibrations 2011 American Society of Mechanical Engineers ...

... 2 3 4 5 6 7 8 9 10 11 12 13 14 . axially prestressed elastic foundation concentrated masses rotatory inertia dynamic response beams (structures) displacement measurement elastic moduli vibrations 03 10 2009 08 12 2010 07 04 2011 07 04 2011...

... 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...

... 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 ...

... 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...

... 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...