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Breaking waves: Bifurcations leading to a singular wave state

机译:破碎波:分叉导致奇异波状态

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摘要

We examine free surface wave singularities that show a violent focusing of energy. Periodic, modulated, and frequency locked wave states lead to a state with fluid spikes. When the excitation of free surface waves exceeds a well defined threshold, the waves break leading to a low-dimensional aperiodic state with spikes, droplet ejection, and air entrainment. Return maps formed from wave height measurements lead to a low-dimensional model of the dynamics. Surprisingly, only a slight increase in power dissipation is observed past the transition to ejecting waves.
机译:我们检查了自由表面波的奇异点,这些奇点点显示出能量的剧烈聚焦。周期性,已调制和频率锁定的波状态会导致出现流体尖峰状态。当自由表面波的激发超过一个明确定义的阈值时,这些波会破裂,导致低维非周期性状态出现尖峰,液滴喷射和空气夹带。由波高测量形成的回波图导致动力学的低维模型。出人意料的是,在过渡到喷射波之后,仅观察到功率消耗的轻微增加。

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