Titlebook: Asymptotic Modelling in Fluid Mechanics; Proceedings of a Sym Pierre-Antoine Bois,Emmanuel Dériat,Alain Rigolot Conference proceedings 1995

Terminal

The effect of a low-frequency modulation on some codimension 2 bifurcations,us medium is a good example of such an interaction of two instabilities. These instabilities depend on two parameters: the Rayleigh number . and the separation ratio .. The corresponding neutral curves intersect, in the (.) plane, at a polycritical point. We describe, in this paper, the influence, o

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Recent developments in the theory of the non-linear stability of high Reynolds number flows, to turbulence using a high Reynolds number asymptotic approach. In recent years a number of weakly and strongly nonlinear theories have been developed and their effects investigated in a variety of flow situations. The particular path to transition taken in a practical situation will depend on the

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affluent

Applying a condition of observability to constitutive equations of laminar motion,t set pertains to the Thermodynamics of Irreversible Processes, the second to stability. Stability considerations concerning the fluid generally confine, . Gibbs‘ postulate, to the case of the equilibrium, to the effect of specifying the signs of the specific heat and compressibility coefficient. Do

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Haphazard

,Diffusion approximation and Arnold’s “Cat Map”,ffusion comes mainly from two facts: a) the particles undergo many collisions per unit time with the boundary of the physical domain and b) the transformation of velocities in the collision process has strong mixing properties. The transformation used in the model presented here is based on Arnold‘s

wall-stress

Spectrum of Two-Electron Systems,addle-node bifurcation occurs can be estimated by means of Melnikov‘s technique. Numerical simulations agree with the results of Melnikov‘s theory. This problem can be considered to be a model for other instability problems arising in other domains of the Physics, such as thermosolutal convection an

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