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首页> 外文期刊>Mathematical models and computer simulations >Modeling of Self-Oscillations and a Search for New Self-Oscillatory Flows
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Modeling of Self-Oscillations and a Search for New Self-Oscillatory Flows

机译：自激振荡建模和寻找新的自激振荡流

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摘要

A possible mechanism of self-oscillations in flows with shock waves and contact disconti nuities is studied. Flows are investigated in the heliosphere, near a blunt cone in an inhomogeneous stream, and in the vicinity of a blunt cylinder with an outflowing supersonic jet, which is supposed to be, according to this mechanism, of a self-oscillatory nature. Two-dimensional Reynolds equations with algebraic turbulent viscosity are solved by the implicit third order Runge–Kutta scheme. The results of numerical studies are presented.
机译：研究了带有冲击波和接触不连续性的流动中自激的可能机制。在日光层中，在不均匀流中钝锥附近，以及在有超音速射流流出的钝圆柱体附近，对流动进行了研究，根据这种机制，这应该是自振荡的。用隐式三阶Runge–Kutta方案求解具有代数湍流粘度的二维Reynolds方程。给出了数值研究的结果。

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