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    Numerical Simulation And Analytical Solution For Plane Waves Focused By A Parabolic Reflector

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    FocusedParabolicReflector.pdf (610.9Kb)
    Date
    2013-07
    Author
    Tsai, Y. T.
    Haberman, M. R.
    Zhu, J.
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    Abstract
    A transient analytical solution is presented to predict the pressure responses along the axis of a parabolic reflector for normally incident plane waves. The solution was derived using geometrical acoustics and the Kirchhoff-Helmholtz integral. Results of the analytical solution were compared to the numerical simulation results, and good agreements were obtained. The numerical simulation visualizes the wave field in air to give a better understanding of propagation of the reflected waves.
    Department
    Mechanical Engineering
    Subject
    parabolic reflector
    plane wave
    finite element analysis
    kirchhoff-helmholtz integral
    impact-echo
    propagation
    accuracy
    signals
    materials science, characterization & testing
    URI
    http://hdl.handle.net/2152/29348
    Citation
    Y. T. Tsai, M. R. Haberman, and J. Zhu. AIP Conference Proceedings 1511, 421 (Jul., 2013); doi: 10.1063/1.4789078
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