Wave Breaking and Propagation Speed for a Class of One-Dimensional Shallow Water Equations

Zaihong Jiang and Sevdzhan Hakkaev

Abstract and Applied Analysis, 2011, vol. 2011, 1-15

Abstract:

We investigate a more general family of one-dimensional shallow water equations. Analogous to the Camassa-Holm equation, these new equations admit blow-up phenomenon and infinite propagation speed. First, we establish blow-up results for this family of equations under various classes of initial data. It turns out that it is the shape instead of the size and smoothness of the initial data which influences breakdown in finite time. Then, infinite propagation speed for the shallow water equations is proved in the following sense: the corresponding solution with compactly supported initial datum does not have compact -support any longer in its lifespan.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:647368

DOI: 10.1155/2011/647368

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