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1-11 of 11
Keywords: finite difference methods
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Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. June 2011, 133(3): 031012.
Published Online: March 31, 2011
... losses and movable walls, are applied near solid surfaces. The lossless acoustic wave equation for a nonuniform medium is solved in the bulk of the resonator by a finite-difference method. One application of this model is for designing small thermoacoustic engines. Thermoacoustic processes in the regular...
Journal Articles
Peter J. Attar, Raymond E. Gordnier, Jordan W. Johnston, William A. Romberg, Ramkumar N. Parthasarathy
Journal:
Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. April 2011, 133(2): 021009.
Published Online: March 17, 2011
... elasticity finite difference methods finite element analysis Navier-Stokes equations vortices While perhaps a more challenging design problem than the fixed wing variant, flapping wing micro air vehicles (MAVs) appear to be an attractive option over their fixed wing counterparts. In particular...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Briefs
J. Vib. Acoust. December 2010, 132(6): 064501.
Published Online: September 14, 2010
...: one dimensional pipeline modeling with real domain solution and finite difference methods, Helmholtz theory based acoustic model, where complex Fourier transform is used, or finally full computational fluid dynamics (CFD) multidimensional approach. All of them have limited capabilities. With one...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. February 2010, 132(1): 011009.
Published Online: January 11, 2010
... parameters, and the two models of transverse vibration yield satisfactory results. 21 08 2008 29 05 2009 11 01 2010 beams (structures) finite difference methods vibrations viscoelasticity vibration nonlinearity axially moving beam viscoelasticity finite difference...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Briefs
J. Vib. Acoust. December 2008, 130(6): 064504.
Published Online: October 22, 2008
... speed. The method was compared to the central finite difference approach and was shown to be more efficient and robust in calculating the stability sensitivity with minimal dependence on the stability accuracy. The loss of accuracy of the finite difference method was traced to be the result...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. June 2008, 130(3): 031003.
Published Online: April 3, 2008
... , 129 ( 1 ), pp. 213 – 219 . Pissanetzky , S. , 1984 , Sparse Matrix Technology , Academic , London , Chaps. 1 and 9. 28 11 2006 17 10 2007 03 04 2008 compressors finite difference methods finite element analysis lubrication machine bearings nonlinear...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Briefs
J. Vib. Acoust. February 2008, 130(1): 014502.
Published Online: November 12, 2007
...Muneharu Saigo; Kiyoshi Takagi; Nobuo Tanaka We studied a wave control of a string near a fixed end. The equation of motion of a string is approximated as a lumped-parameter spring-and-mass system using the finite difference method. Finite difference equations (FDEs) for interior node points have...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Papers
J. Vib. Acoust. August 2007, 129(4): 471–477.
Published Online: February 21, 2007
... state. 06 06 2006 21 02 2007 ropes lifts vibrations damping finite difference methods elevator rope forced vibration time-varying length exact solution approximate solution finite-difference method flexible structure vibration of continuous system damping...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Papers
J. Vib. Acoust. October 2006, 128(5): 586–593.
Published Online: March 30, 2006
...Yi Liu; W. Steve Shepard, Jr. Inferring external spatially distributed dynamic forces from measured structural responses is necessary when direct measurement of these forces is not possible. The finite difference method and the modal method have been previously developed for reconstructing...
Journal Articles
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Papers
J. Vib. Acoust. December 2005, 127(6): 530–541.
Published Online: February 18, 2005
... with the sensitivity derived using the finite difference method in Fig. 4 . Note that the shapes of the two graphs for the sensitivity to K 12 are exactly the same in Fig. 4a whereas the sensitivities to K 01 are much different from each other, demonstrating that the expression in Eq. 3 can...
Journal Articles
Sean A. Mortara, Graduate Research Assistant, Joseph Slater, Associate Professor, Philip Beran, Senior Research Aerospace Engineer
Journal:
Journal of Vibration and Acoustics
Article Type: Technical Papers
J. Vib. Acoust. July 2004, 126(3): 416–421.
Published Online: July 30, 2004
... 2004 elasticity aerodynamics supersonic flow vibrations finite difference methods To carry out the design analysis of complex aeroelastic systems, one needs to decrease the number of degrees of freedom involved in the problem in order to expedite computational analysis. In design...