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The Mode Relation for Open Acoustic Waveguide Terminated by PML with Varied Sound Speed
Computer Modeling in Engineering & Sciences 2012, 83(5), 547-560. https://doi.org/10.3970/cmes.2012.083.547
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An acoustic waveguide with continuously varying sound speed is discussed in this paper. When the waveguide is open along the depth, the perfectly matched layer (PML) is used to terminate the infinite domain. Since the sound speed is gradually varied, the density is assumed as constant in each fluid layer. For this waveguide, it is shown that the mode relation is derived by using the differential transfer matrix method (DTMM). To solve leaky and PML modes, Newton's iteration is applied, and Chebyshev pseudospectral method is used for obtaining initial guesses. The solutions are with high accuracy.Keywords
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APA Style
Zhu, J., Chen, Z., Shen, Z. (2012). The mode relation for open acoustic waveguide terminated by PML with varied sound speed. Computer Modeling in Engineering & Sciences, 83(5), 547-560. https://doi.org/10.3970/cmes.2012.083.547
Vancouver Style
Zhu J, Chen Z, Shen Z. The mode relation for open acoustic waveguide terminated by PML with varied sound speed. Comput Model Eng Sci. 2012;83(5):547-560 https://doi.org/10.3970/cmes.2012.083.547
IEEE Style
J. Zhu, Z. Chen, and Z. Shen, “The Mode Relation for Open Acoustic Waveguide Terminated by PML with Varied Sound Speed,” Comput. Model. Eng. Sci., vol. 83, no. 5, pp. 547-560, 2012. https://doi.org/10.3970/cmes.2012.083.547
Copyright © 2012 The Author(s). Published by Tech Science Press.This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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