A numerical model for the calculation of magneto-hydrodynamic fields induced from underwater acoustic sources

Ramirez J.A.

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A numerical model for the calculation of magneto-hydrodynamic fields induced from underwater acoustic sources

机译：用于计算水下声源引起的磁流体动力场的数值模型

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This paper discusses a numerical model based on the finite element formulation for the calculation of magnetohydrodynamic fields induced from underwater acoustic sources in an ocean environment. The speed of sound is considered as depth dependent and the ocean as a conducting medium, i.e. eddy-currents are taken into account. An alternative formulation based on the modal method is also investigated. An axisymmetric problem consisting of a monopole source submerged in the ocean is considered. Acceptable results are obtained in both formulations for Bmag above the ocean surface.

机译：本文讨论了一种基于有限元公式的数值模型，用于计算海洋环境中水下声源引起的磁流体动力场。声速被认为与深度有关，而海洋被认为是一种传导介质，即涡流。还研究了基于模态方法的替代公式。考虑了一个由淹没在海洋中的单极子源组成的轴对称问题。在海面以上的Bmag两种配方中均获得了可接受的结果。

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《IEEE Transactions on Magnetics》 |1998年第5期|P.3090-3093|共4页
作者
Ramirez J.A.;
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中图分类磁性材料、铁氧体;
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2. Pulsed Nonlinear Acoustic Fields From Clinicallyrelevant Sources: Numerical Calculations and Experiments Results [J] . Janusz WOJCIK, Tamara KUJAWSKA, Andrzej NOWICKI Archives of acoustics . 2008,第4期

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3. Measurement and modeling of the acoustic field near an underwater vehicle and implications for acoustic source localization [J] . Lepper PA, DSpain GL The Journal of the Acoustical Society of America . 2007,第2期

机译：水下航行器附近声场的测量和建模及其对声源定位的影响
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5. EFFECTS OF OCEAN BOUNDARIES AND BOTTOM TOPOGRAPHY ON ACOUSTIC AMBIENT NOISE FIELDS IN THE OCEAN (UNDERWATER, LABRADOR BASIN). [D] . MARTIN, ROBERT L. 1985

机译：海洋边界和底部地形对海洋（地下水，拉布拉多盆地）声环境噪声场的影响。
6. Fast prediction of pulsed nonlinear acoustic fields from clinically relevant sources using Time-Averaged Wave Envelope approach: comparison of numerical simulations and experimental results [O] . J. Wójcik, T. Kujawska, A. Nowicki, -1

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8. Review of Numerical Models in Underwater Acoustics, Including Recently Developed Fast-Field Program [R] . Jensen, F. B., Schmidt, H. 1984

机译：水声学数值模型的研究，包括最近开发的快速野外计划

A numerical model for the calculation of magneto-hydrodynamic fields induced from underwater acoustic sources

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