Mathematicians ask: What’s in a ripple?

A newly formulated set of equations provides the framework for describing a special kind of ripple called an undular bore.
When a fluid or a gas experiences a sudden disturbance, it often gives rise to a phenomenon known as an undular bore, which consists of a series of rapid oscillations that propagate and spread. But how to describe what transpires? New mathematics research brings us closer to finding an answer.

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