... and the mode shapes of the near field for three modes of this membrane. As expected, the sound pressure distributions bear similar shapes of the corresponding modes. 17 06 2009 01 09 2010 31 03 2011 31 03 2011 acoustic field convergence of numerical methods loudspeakers modal...

... vibrations series (mathematics) eigenvalues and eigenfunctions finite element analysis convergence of numerical methods The combined effects of gyroscopic coupling, support elements that may add nonconservative effects, and flexible support substructures contribute to the difficulty of accurately...

... . Manuscript received Nov. 1999; Revised Aug. 2001. Associate Editor: A. F. Vakakis. bifurcation vibrations rotation convergence of numerical methods resonance nonlinear dynamical systems The determination of rotorcraft blade dynamics has been the subject...

... , S. , 1973 , “ Vibration of Skew Plates ,” Sound Vib. , 26 , pp. 1 – 19 . convergence of numerical methods vibrations finite element analysis Vibration Orthotropic Skew Plate Finite Strip Natural Frequency In spite of the mathematical difficulties encountered...