An analytical solution of steady-state dynamic response of a multilayered viscoelastic medium to a moving distributed load is obtained using a novel approach that combines transfer matrix method with Sun’s convolution representation integrated over impulse response function of the layered medium. The layered media under consideration include elastic and viscoelastic media with four different viscoelastic constitutive models, while the moving load is allowed to have a circular spatial distribution, which is more realistic for mimicking tire footprint than a commonly used point load. Efficient numerical algorithms based on fast evaluation of various integral transformations and their inversions are developed and validated through numerical example.
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July 2009
Research Papers
Steady-State Wave Propagation in Multilayered Viscoelastic Media Excited by a Moving Dynamic Distributed Load
Lu Sun,
Lu Sun
Transportation College,
Southeast University
, Nanjing 210096, China; Department of Civil Engineering, Catholic University of America
, Washington, DC 20064
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Wenjun Gu,
Wenjun Gu
Transportation College,
Southeast University
, Nanjing 210096, China; Department of Civil Engineering, Catholic University of America
, Washington, DC 20064
Search for other works by this author on:
Feiquan Luo
Feiquan Luo
Department of Civil Engineering,
Catholic University of America
, Washington, DC 20064
Search for other works by this author on:
Lu Sun
Transportation College,
Southeast University
, Nanjing 210096, China; Department of Civil Engineering, Catholic University of America
, Washington, DC 20064
Wenjun Gu
Transportation College,
Southeast University
, Nanjing 210096, China; Department of Civil Engineering, Catholic University of America
, Washington, DC 20064
Feiquan Luo
Department of Civil Engineering,
Catholic University of America
, Washington, DC 20064J. Appl. Mech. Jul 2009, 76(4): 041001 (15 pages)
Published Online: April 21, 2009
Article history
Received:
November 26, 2007
Revised:
January 26, 2009
Published:
April 21, 2009
Citation
Sun, L., Gu, W., and Luo, F. (April 21, 2009). "Steady-State Wave Propagation in Multilayered Viscoelastic Media Excited by a Moving Dynamic Distributed Load." ASME. J. Appl. Mech. July 2009; 76(4): 041001. https://doi.org/10.1115/1.3086586
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