...) frequency response functions. acoustic filters blades damping discs (structures) elastic constants vibrations 30 09 2010 17 07 2011 18 01 2012 18 01 2012 2012 American Society of Mechanical Engineers ...

... to the relative size of the piezoelectric actuator, are computed in some lower-to-medium frequency range. 24 02 2011 05 08 2011 18 01 2012 18 01 2012 acoustic noise acoustic wave absorption acoustic wave propagation acoustic wave transmission discs (structures) elasticity finite...

... )]. Mode shapes of the rotor with a radial crack 31 03 2010 16 07 2011 28 11 2011 28 11 2011 crack detection discs (structures) matrix algebra modal analysis rotors structural acoustics vibrations This technical note is to demonstrate, via a numerical study...

... 2011 20 09 2011 blades deformation discs (structures) finite element analysis structural acoustics surface cracks turbomachinery vibrations The development of efficient models for realistic turbine engine rotors that account for the effects of cracks has attracted...

... regime. 03 09 2008 18 03 2010 14 09 2010 14 09 2010 boundary-elements methods damping discs (structures) external flows finite element analysis fluid mechanics structural acoustics vibrations viscosity Thin circular disks are the principal components of a large...

... 2010 01 09 2010 01 09 2010 bending discs (structures) eigenvalues and eigenfunctions Galerkin method oscillations rotation vibrations Rotating disks have many industrial applications. However, no real disks are perfectly flat. Even if they are manufactured with the utmost...

... 18 08 2010 acoustic resonance continuum mechanics discs (structures) Galerkin method plates (structures) structural acoustics vibrations circular plates with cut-outs R -function method conjugate modes multiple scale method internal resonances Plates are bearing...

... on the level of dynamic coupling between blades and disk, and on whether the dynamics features significant alternating stick/slip phases. Through parameter studies, design guidelines are also proposed. 06 04 2007 18 11 2009 01 02 2010 01 02 2010 damping discs (structures) finite...

... primary and secondary frequency branches from the waterfall plots agree well with those predicted analytically. 22 10 2007 29 06 2008 18 02 2009 discs (structures) Doppler measurement Fourier analysis gyroscopes machine bearings measurement by laser beam rotors softening...

... fatigue ( 1 ) and cause damage to the engine components. piezoelectric network bladed disk vibration suppression aerodynamics blades discs (structures) engines fatigue Monte Carlo methods piezoelectric transducers turbomachinery vibration control 24 08 2007 01 02 2008...

... 08 2008 blades cracks discs (structures) rotors shafts vibrations coupled vibration cracked blade mode localization mistuned Rotor systems composed of shaft, disk, and blades are widely seen in industry. Due to manufacturing flaws or cyclic fatigue under powering, cracks...

... Piezoelectric Networks for Vibration Control: Comparisons and Improvement ,” Smart Mater. Struct. 0964-1726 10.1088/0964-1726/10/4/325 , 10 ( 4 ), pp. 794 – 806 . 14 09 2006 21 05 2007 blades capacitors discs (structures) engines inductors Monte Carlo methods piezoelectric...

... rotation discs (structures) eigenvalues and eigenfunctions In a recent paper by Deshpande and Mote Jr., the stiffening effect for a thin disk due to its rotation on the eigenfrequencies of the in-plane vibrations was discussed. The paper is interesting and correct in all details but the reference...

... July 2003 04 05 2004 aerodynamics vibrations finite element analysis rotational flow discs (structures) Multiple co-rotating disks stacked on a hub are the basic configuration of computer hard disk drives (HDD). For the past decade, the HDD industry has enhanced the capacity...