软流动--通过弹性边界的流动整流
Soft streaming -- flow rectification via elastic boundaries
摘要：
粘性流动是利用微尺度惯性进行流动控制的有效机制。虽然流从刚性功能已被彻底调查，当身体顺应性涉及，如在生物设置，知之甚少。在这里，我们调查身体弹性的影响，在最小的情况下，一个浸没的软圆柱体的流。我们的研究揭示了一个额外的流动过程，即使在斯托克斯流。为先进形式的流动操纵铺平道路，我们说明了如何获得的见解可以转化为复杂的几何形状超越圆柱体。
英文摘要：
Viscous streaming is an efficient mechanism to exploit inertia at the microscale for flow control. While streaming from rigid features has been thoroughly investigated, when body compliance is involved, as in biological settings, little is known. Here, we investigate body elasticity effects on streaming in the minimal case of an immersed soft cylinder. Our study reveals an additional streaming process, available even in Stokes flows. Paving the way for advanced forms of flow manipulation, we illustrate how gained insights may translate to complex geometries beyond circular cylinders.
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