A Transparent Boundary Condition for an Elastic Bottom in Underwater Acoustics

机译：水下声学中弹性底部的透明边界条件

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摘要

This work deals with the derivation of a novel transparent boundary condition (TBC) for the coupling of the standard "parabolic" equation (SPE) in underwater acoustics (assuming cylindrical symmetry) with an elastic parabolic equation (EPE) for modelling the sea bottom extending hereby the existing TBCs for a fluid model of the seabed.

机译：这项工作涉及一种新的透明边界条件（TBC）的推导，用于用弹性抛物线方程（EPE）在水下声学（假设圆柱对称）中的标准“抛物线”等式（SPE）耦合，用于建模海底延伸因此，现有的海底流体模型的TBC。

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《International Conference on Finite Difference Methods》|2015年||共10页
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Anton Arnold; Matthias Ehrhardt;
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中图分类 O241.82-53;
关键词
Transparent boundary condition; Elastic bottom; One-way Helmholtz equation; Standard "parabolic" equation; Seabed interface;

机译：透明边界条件;弹性底;单向亥姆霍兹方程;标准“抛物线”方程;海底界面;

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1. A Geometry-Based Underwater Acoustic Channel Model Allowing for Sloped Ocean Bottom Conditions [J] . Meisam Naderi, Matthias Pätzold, Rym Hicheri, IEEE transactions on wireless communications . 2017,第4期

机译：基于几何的水下声通道模型，可用于倾斜的海底条件
2. The wake of a three-dimensional underwater obstacle: Effect of bottom boundary conditions [J] . Puthan Pranav, Jalali Masoud, Ortiz-Tarin Jose Luis, Ocean modelling . 2020,第期

机译：三维水下障碍物之后：底部边界条件的影响
3. GALERKIN METHODS FOR PARABOLIC AND SCHRODINGER EQUATIONS WITH DYNAMICAL BOUNDARY CONDITIONS AND APPLICATIONS TO UNDERWATER ACOUSTICS [J] . Antonopoulou DC, Dougalis VA, Zouraris GE SIAM Journal on Numerical Analysis . 2010,第4期

机译：具有动态边界条件的抛物线和Schrodinger方程的Galerkin方法及其在水下声学中的应用
4. A Transparent Boundary Condition for an Elastic Bottom in Underwater Acoustics [C] . Anton Arnold, Matthias Ehrhardt Finite difference methods, theory and applications . 2015

机译：水下声学中弹性底部的透明边界条件
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. Batch Processing through Particle Swarm Optimization for Target Motion Analysis with Bottom Bounce Underwater Acoustic Signals [O] . Raegeun Oh, Taek Lyul Song, Jee Woong Choi 2020

机译：通过粒子群优化的批处理用于具有底部反弹水下声信号的目标运动分析
7. Discrete Transparent Boundary Conditions For Wide Angle Parabolic Equations In Underwater Acoustics [O] . A. Arnold, M. Ehrhardt 1998

机译：水声学中广角抛物方程的离散透明边界条件

A Transparent Boundary Condition for an Elastic Bottom in Underwater Acoustics

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