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Keywords: shells (structures)
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Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. April 2012, 134(2): 024503.
Published Online: January 18, 2012
.... Control characteristics and effectiveness of the SQ actuator system on cylindrical shell panels are evaluated respectively when the actuator system is either center-located or corner-located on the shell structure. Modal control behaviors of paired SQ actuators respectively placed on the top and bottom...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011013.
Published Online: December 28, 2011
... functionally graded materials integro-differential equations shells (structures) stress-strain relations structural acoustics vibrations functionally graded material cylindrical shell natural frequency analytic solution Functionally graded material(FGM) is a kind of composite material...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011012.
Published Online: December 28, 2011
.... 3 . First, a reduced modal model of the shell structure obtained by the standard finite element analysis is combined with the BE model of the fluid to derive the coupled FE/BE formulation. It is assumed that vibration responses of the submerged structure can be expanded by the truncated in vacuo...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011002.
Published Online: December 22, 2011
... (structures) propellers shafts shells (structures) structural acoustics transfer functions underwater vehicles vibration control vibrations Low frequency radiated noise from naval vessels can be attributed to fluctuating propeller forces. Operation of a marine propeller in a spatially...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2011, 133(5): 051013.
Published Online: September 20, 2011
... shells. This paper presents the results obtained from the developed analytical framework and its validation through the successful comparison with several experimental studies. Analytical predictions are obtained for the shell structural vibration and sound pressure levels, for the frequency range up...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2011, 133(1): 011013.
Published Online: January 26, 2011
... 26 01 2011 26 01 2011 finite element analysis shells (structures) structural acoustics structural engineering computing underwater vehicles vibrations submarine pressure hull submerged free vibration external pressure When a thin-walled shell structure is subjected...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2010, 132(6): 061002.
Published Online: September 14, 2010
..., is indiscernible in the spectra. Therefore, the circular frequency Ω ̃ is the same as that given in Fig. 2 for the inviscid fluid problem. 09 04 2009 31 03 2010 14 09 2010 14 09 2010 compressible flow piezoelectric materials plastic flow shells (structures) structural...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2009, 131(5): 051002.
Published Online: September 9, 2009
... 10 2007 24 04 2009 09 09 2009 bars beams (structures) finite element analysis plates (structures) shells (structures) thin wall structures vibrations Thin-walled beams with fillets are widely used in engineering structures. To create an accurate finite element (FE...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2009, 131(4): 041011.
Published Online: June 8, 2009
... the vibration problem of a finite shell under various admissible boundary conditions. The dispersion relations and the associated eigenvectors are also the means by which to construct transfer matrices used to analyze the vibroacoustic transmission in cylindrical shell structures or pipe-hose systems...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. February 2009, 131(1): 011005.
Published Online: January 5, 2009
..., in which the effects of wave number conversion due to the periodic rings are obviously identified as additional bright patterns. 09 07 2007 01 05 2008 05 01 2009 damping Helmholtz equations shells (structures) structural acoustics vibrations Cylindrical shells are one...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2008, 130(1): 011003.
Published Online: November 12, 2007
... behavior of cylindrical shells is illustrated for several characteristic cases. buckling laminations mechanical stability nonlinear equations perturbation techniques shells (structures) supersonic flow vibrations Shell structures are widely used in mechanical and aerospace engineering...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. June 2007, 129(3): 363–370.
Published Online: February 1, 2007
... frequencies and associated mode shapes are therefore obtained directly. Using this methodology on shell No. 17 in the frequency range given above, the resonant frequencies shown in Fig. 9 were obtained. 26 06 2006 01 02 2007 vibrations shells (structures) finite element analysis...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2007, 129(4): 397–405.
Published Online: November 1, 2006
... structure. To accommodate applications involving shell structures, both translational and rotational degrees of freedom are considered in the analysis. The BBVA is modeled with a simple, three-by-three impedance matrix to facilitate its subsequent incorporation into a larger structural optimization study...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2005, 127(4): 395–407.
Published Online: August 5, 2004
... the piezoelectric shear actuator. shells (structures) vibrations damping vibration control fibre reinforced composites laminates shear deformation actuators sensors The equations of motion for lamina n , in the absence of body forces and free charges, are 1 σ r r , r ( n...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. January 2004, 126(1): 47–53.
Published Online: February 26, 2004
... . Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received Jan. 2001; Revised June 2003. Associate Editor: C. R. Farrar. 01 Jan 2001 01 June 2003 26 02 2004 shells (structures) dynamic response...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. January 2004, 126(1): 63–70.
Published Online: February 26, 2004
... electro/elastic nonlinear shell structures is derived based on the virtual work principle. A generic curved triangular piezoelectric shell element is proposed based on the layerwise constant shear angle theory. The dynamic system equations, equations of electric potential output and feedback control force...