Abstract
The proposal of this paper is to study the local existence of analytic solutions, and blowup of solutions in a finite time for the geophysical boundary layer problem. In contrast with the classical Prandtl boundary layer equation, the geophysical boundary layer equation has an additional integral term arising from the Coriolis force. Under the assumption that the initial velocity and outer flow velocity are analytic in the horizontal variable, we obtain the local well-posedness of the geophysical boundary layer problem by using energy method in the weighted Chemin-Lerner spaces. Moreover, when the initial velocity and outer flow velocity satisfy certain condition on a transversal plane, for any smooth solution decaying exponentially in the normal variable to the geophysical boundary layer problem, it is proved that its \(W^{1,\infty }-\)norm blows up in a finite time. Comparing with the blowup result obtained in Kukavica et al. (Adv Math 307:288–311, 2017) for the classical Prandtl equation, we find that the integral term in the geophysical boundary layer equation triggers the formulation of singularities earlier.
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The authors would like to express their gratitude to the referee for the valuable suggestion on improving this manuscript. This research was partially supported by National Natural Science Foundation of China (NNSFC) under Grant No. 11631008.
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Wang, X., Wang, YG. Well-posedness and Blowup of the Geophysical Boundary Layer Problem. J. Math. Fluid Mech. 22, 52 (2020). https://doi.org/10.1007/s00021-020-00514-6
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DOI: https://doi.org/10.1007/s00021-020-00514-6