复杂区域内海岸Kelvin波的鲁棒传播
Robust propagation of internal coastal Kelvin waves in complex domains
摘要：
本文在旋转平台上对两层流体系统中的内海岸Kelvin波进行了实验研究。在我们的系统中的波传播的方向和边界附近的指数本地化。我们的实验验证了理论上的色散关系，并表明波的振幅沿传播方向呈指数衰减。我们进一步证明了波可以沿着复杂几何形状的边界稳健地传播而不会被散射，并且在波传播路径上添加障碍物不会引起额外的衰减。
英文摘要：
We experimentally investigate internal coastal Kelvin waves in a two-layer fluid system on a rotating table. Waves in our system propagate in the prograde direction and are exponentially localized near the boundary. Our experiments verify the theoretical dispersion relation of the wave and show that the wave amplitude decays exponentially along the propagation direction. We further demonstrate that the waves can robustly propagate along boundaries of complex geometries without being scattered and that adding obstacles to the wave propagation path does not cause additional attenuation.
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