In previous derivations of the ultrasonic radiative transfer equation (URTE) for the modeling of multiply scattered diffuse ultrasound in polycrystalline media, the boundary conditions appropriate to experiments performed in a water bath were not used. In the present work, this fluid–solid boundary condition is discussed as it applies to the URTE. An interpolation scheme is developed that is consistent with the discrete ordinates method used for the solution of the URTE. Steady‐state and time‐dependent results are presented for the solution of the URTE with a fluid–solid boundary condition. The steady‐state results show that diffusive behavior is exhibited nearer the specimen surface than before. The time‐dependent results show the qualitative change one might expect from such a boundary condition.
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November 1995
November 01 1995
Ultrasonic radiative transfer in polycrystalline media: Effects of a fluid–solid interface
Joseph A. Turner;
Joseph A. Turner
Department of Theoretical and Applied Mechanics, 216 Talbot Laboratory, 104 South Wright Street, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801
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Richard L. Weaver
Richard L. Weaver
Department of Theoretical and Applied Mechanics, 216 Talbot Laboratory, 104 South Wright Street, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801
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J. Acoust. Soc. Am. 98, 2801–2808 (1995)
Article history
Received:
November 14 1994
Accepted:
May 15 1995
Citation
Joseph A. Turner, Richard L. Weaver; Ultrasonic radiative transfer in polycrystalline media: Effects of a fluid–solid interface. J. Acoust. Soc. Am. 1 November 1995; 98 (5): 2801–2808. https://doi.org/10.1121/1.413245
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