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The inviscid limit of steady-states of the Navier-Stokes equations∗

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The inviscid limit of steady-states of the Navier-Stokes equations

Okamoto, Hisashi RIMS, Kyoto University [email protected]

Abstract

We consider the sinusoidally forced Proudman-Johnson equation. Sta- bility of and bifurcation from the trivial solution are strudied numerically and analytically. We then compute solutions with large Reynolds num- bers. With forces of single, double, and triple mode, there always exists a family of stabel solutions, whcih converges to a constant multiple of sin x.

This remarkable universality is also checked in Kolmogorov flows.

References

[1] S.-C. Kim and H. Okamoto, Bifurcations and inviscid limit of rhombic Navier-Stokes flows in tori, IMA J. Appl. Math., vol. 68 (2003), 119–134.

[2] H. Okamoto, A study of bifurcation of Kolmogorov flows with an emphasis on the singular limit, Proc. Int. Congress Math., vol. III, (1998), 523-532.

This is a joint work with Sun-Chul Kim.

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