On hydrodynamics instabilities qua nonequilibrium (Cahn-Hillard) phase transitionsстатья
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Дата последнего поиска статьи во внешних источниках: 17 июля 2019 г.
Аннотация:For the laminar–turbulent transition, we construct a model of reconstruction of
the initial stage of instability qua a nonequilibrium transition with diffusion separation mech-
anism. It is shown that the free Gibbs energy of departure from the homogeneous state (with
respect to the instability under consideration) is an analogue of the Ginzburg–Landau po-
tential. Numerical experiments for self-excitation of the homogeneous state with control of
the boundary condition of velocity increase were carried out, which showed the appearance
of the laminar–turbulent transition and its development from regular forms (the so-called
dissipative structures) with subsequent transition to irregular flows via chaotization of the
process.