What Is the Name of the Curve Traced by a Ball on a Ripple Wave?

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SUMMARY

The curve traced by a ball rolling along a ripple wave is best approximated as an ellipsoid. The discussion highlights that the current mathematical model for water surface waves is a version of the Schrödinger Wave equation, although oceanographers typically utilize a "linear model," which is inadequate in extreme conditions. The conversation emphasizes the need for more accurate representations of wave dynamics in various scenarios.

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Do you know if there is any name for the equation that describes the shape of a ripple wave? An example of that kind of wave can be found at http://en.wikipedia.org/wiki/Image:Elliptical_trajectory_on_ripples.png.
My question is: what would you call the curve traced by the ball rolling along the ripple wave curve?
 
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The best approximation to water surface waves currently in use is a version of the Shcrodinger Wave equation.

Oceanographers often use something called the "linear model" but it fails in extreme cases.

I believe that that path followed by a floating object is nearly an elipsiod.
 

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