Showing 1 - 20 results of 39 for search '"nonlinear acoustics"', query time: 0.09s Refine Results
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    Active Nonlinear Acoustic Sensing of an Object with Sum or Difference Frequency Fields by Zhang, Wenjun, Liu, Yuming, Ratilal, Purnima, Cho, Byunggu, Makris, Nicholas

    Published 2018
    “…A number of nonlinear acoustic sensing methods exist or are being developed for diverse areas ranging from oceanic sensing of ecosystems, gas bubbles, and submerged objects to medical sensing of the human body. …”
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    Article
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    Nonlinear Acoustics at GHz Frequencies in a Viscoelastic Fragile Glass Former by Klieber, Christoph, Gusev, Vitalyi E., Pezeril, Thomas, Nelson, Keith Adam

    Published 2015
    “…From our measurement, we deduce the nonlinear acoustic parameter of the glass former in the gigahertz frequency range across the glass transition temperature.…”
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    Article
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    Fourier continuation methods for high-fidelity simulation of nonlinear acoustic beams. by Albin, N, Bruno, O, Cheung, T, Cleveland, R

    Published 2012
    “…On the basis of recently developed Fourier continuation (FC) methods and associated efficient parallelization techniques, this text introduces numerical algorithms that, due to very low dispersive errors, can accurately and efficiently solve the types of nonlinear partial differential equation (PDE) models of nonlinear acoustics in hundred-wavelength domains as arise in the simulation of focused medical ultrasound. …”
    Journal article
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    Nonlinear acoustic properties of ex vivo bovine liver and the effects of temperature and denaturation. by Jackson, E, Coussios, C, Cleveland, R

    Published 2014
    “…Due to the high pressure amplitudes involved, nonlinear acoustic effects must be understood and the relevant medium property is the parameter of nonlinearity B/A. …”
    Journal article
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    Modelling and monitoring nonlinear acoustic phenomena in high-intensity focused ultrasound therapy by Jackson, E

    Published 2015
    “…The first half of this thesis provides new measurements for the nonlinear acoustic properties of tissue, assesses the validity of two common modelling techniques for simulating HIFU fields. …”
    Thesis
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    A review of parametric acoustic array in air by Gan, Woon-Seng, Yang, Jun, Kamakura, Tomoo

    Published 2013
    “…These advances include numerical modelling for nonlinear acoustics, theoretical analysis and experimentation, signal processing techniques, implementation issues, applications of the parametric acoustic array, and some safety concerns in using the PAA in air. …”
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    Journal Article
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    Amplitude degradation of time-reversed pulses in nonlinear absorbing thermoviscous fluids. by Hallaj, I, Cleveland, R, Barbone, P, Kargl, S, Roy, R

    Published 2000
    “…Further analysis of the nonlinear wave equation shows that amplification of a time-reversed pulse at the array elements also leads to a violation of time reversal even for lossless nonlinear acoustics. Numerical simulations are used to illustrate the effect of nonlinearity on the ability of a time-reversal system to effectively focus on a target in an absorbing fluid medium. …”
    Journal article