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New two-parametric family of phase portraits for a body moving in a medium. (English. Russian original) Zbl 0855.70014
Phys.-Dokl. 39, No. 8, 587-590 (1994); translation from Dokl. Akad. Nauk 337, No. 5, 611-614 (1994).
We are concerned with the problem of a plane-parallel motion when the direction of force that the medium exerts on the body is constant with respect to the body, its only change being the parallel translation dependent on the angle of attack. These conditions characterize the motion of a plate in a medium with a large angle of attack in the presence of jets or separated flows.

MSC:
70K05 Phase plane analysis, limit cycles for nonlinear problems in mechanics
76-XX Fluid mechanics
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