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Keywords: inverse problems
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Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2011, 133(2): 021010.
Published Online: March 22, 2011
... in the time domain. But, at the end, the launch vehicle dynamic response has to be expressed in terms of spectral density. Inverse problems arise in many areas of engineering mechanics. Many successful applications have been realized, e.g., in geophysics, oil prospection, radar, electromagnetism...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2009, 131(5): 051001.
Published Online: September 9, 2009
... (position and size) solving what is called an inverse problem. In this work, such an inverse problem has been solved by the use of the classical optimization technique of minimizing the least square criterion applied to the closed-form expression for the frequencies obtained through the perturbation method...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2008, 130(1): 011011.
Published Online: January 11, 2008
...C. C. Lin; C. C. Cheng A methodology to synthesize a predesignated acoustic response using a structure driven by multiple induced-strain actuators, e.g., piezoelectric (PZT) patches, is presented. The proposed approach of solving the inverse problem of structural acoustics, e.g., how to produce...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. December 2006, 128(6): 750–756.
Published Online: March 1, 2006
... ) k s 2 − k f 2 H 0 ( 2 ) ( γ f ρ ) − M ( α 2 − α 1 k s 2 ) k s 2 B ( ω , ξ ) H 0 ( 2 ) ( γ s ρ ) structural acoustics vibrations inverse problems porous materials Fourier transforms porous media...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2006, 128(4): 521–526.
Published Online: February 12, 2006
... continuous beam and the car was modeled as a vehicle model with two-axle loads. A number of strain gauges were adhered to the bottom surface of the beam to measure the bending moment responses. Using measured bending moment responses as an input, the corresponding inverse problem was solved to identify...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2006, 128(4): 509–520.
Published Online: February 3, 2006
... as a suspended system of mass with damping and rigidity or in terms of two axle loads moving at a fixed spacing. The optimal regularization technique ( 9 15 ) has been widely used to provide bounds to the ill-conditioned inverse problem in the load identification. The measured bending moment, strain...
Journal Articles
Article Type: Article
J. Vib. Acoust. February 2005, 127(1): 84–92.
Published Online: March 21, 2005
... series approximation, the inverse problem is modeled as a linear equation system and solved iteratively using truncated SVD technique. Numerical simulations are performed to verify the effectiveness of the proposed method with different support conditions, measurement noise, and sensor sparsity...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. December 2005, 127(6): 530–541.
Published Online: February 18, 2005
... and damping nonlinearities. By comparing embedded sensitivity functions with finite difference frequency response sensitivities, which incorporate the amplitude-dependent behavior of mechanical nonlinearities, models can be determined using an inverse problem that uses system sensitivity to estimate...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2004, 126(2): 253–259.
Published Online: May 4, 2004
..., a powerful modal synthesis approach and a simplified optimization phase. Numerical examples are provided illustrating the capabilities of the novel procedure. structural acoustics quadratic programming nondestructive testing modal analysis vibrations inverse problems Contributed...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2004, 126(2): 212–219.
Published Online: May 4, 2004
...L. Starek; D. J. Inman, Fellow ASME This paper summarizes the authors’ previous efforts on solving inverse eigenvalue problems for linear vibrating systems described by a vector differential equations with constant coefficient matrices and nonproportional damping. The inverse problem of interest...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2003, 125(2): 187–198.
Published Online: April 1, 2003
.... Dynamic behavior of the bridge deck is analyzed by the orthotropic plate theory and mode superposition technique. Like all inverse problems, this identification is an ill-conditioned problem, and a regularization technique is employed to stabilize the computations. The identified loads moving at different...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. July 2001, 123(3): 289–296.
Published Online: January 1, 2001
... principle 9 and the H 2 and H ∞ model matching principle 10 , and production of sound-absorbing surfaces using feedback 11 and adaptive 12 algorithms. active noise control Fourier series Laplace transforms inverse problems acoustic wave transmission resonance...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2001, 123(2): 230–237.
Published Online: December 1, 2000
... and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received April 2000; revised Dec. 2000. Associate Editor: M. I. Friswell. 01 April 2000 01 Dec 2000 artificial satellites inverse problems vibrations dynamic testing time-domain analysis During...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2001, 123(4): 524–532.
Published Online: November 1, 2000
... and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received July 2000; revised Nov. 2000. Associate Editor: M. I. Friswell. 01 July 2000 01 Nov 2000 time-domain analysis force vibrations torque space vehicles inverse problems The estimation...