首页> 外文期刊>Journal of geometry and symmetry in physics >IN-PLANE OSCILLATIONS OF A RING DRIVEN BY A SOAP FILM CATENOID
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IN-PLANE OSCILLATIONS OF A RING DRIVEN BY A SOAP FILM CATENOID

机译:SOAP膜类别驱动的环的平面内振荡

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In this paper, we calculate the frequency of small oscillations of a ring confined to a plane that, along with a fixed ring of the same size, supports a soap film catenoid. The restoring force is provided by the film's surface tension. We assume that the soap film is massless and continuously assumes the shape of minimal area. Mathematically, the problem is equivalent to calculating the second derivative of the total area with respect to the displacement of the ring. The calculus of moving surfaces is extensively used in the presented calculation.
机译:在本文中,我们计算了一个环的小振动频率,该环被限制在一个平面上,该平面与一个相同大小的固定环一起支撑着肥皂膜链状体。恢复力由薄膜的表面张力提供。我们假设肥皂膜是无质量的,并且连续地呈现最小面积的形状。从数学上讲,该问题等效于计算相对于环的位移的总面积的二阶导数。在提出的计算中广泛使用了移动表面的演算。

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