Convective and Absolute Instability
Convective to Absolute Instability Transition in a Horizontal Porous Channel with Open Upper Boundary
... of convective and absolute instability, then we can reach a neat ...of convective instability comes about with half-cells, then the neutrally stable k for the HRL problem must be the ...
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Numerical aspects of searching convective/absolute instability transition
... âGêoæðGë\è)é ãíGïºå¡ä'å\ñ'íGæiäì ë\è ãê?õöGå°ìSöYæíGè+æ÷äOöGè+è åLè ígîiãë°òGè ñ'ë°èãïGñ?äoæÂäOöGèêrèE. òGå\êrè ï2[r] ...
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Ducks in space: from nonlinear absolute instability to noise sustained structures in a pattern forming system
... Abstract. A subcritical pattern-forming system with nonlinear advection in a bounded domain is recast as a slow-fast system in space and studied using a combination of geometric singular perturbation theory and numerical ...
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Absolute and convective instabilities of parallel propagating circularly polarized Alfven waves: Beat instability
... where v = v r + i v i . Pinching roots causing the absolute instability can only arise for pairs s v , kd satisfying Eq. s4d. sivd From all pairs s v , kd satisfying Eq. s4d we choose only those with k ...
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Absolute and convective instabilities of parallel propagating circularly polarized Alfven waves: Decay instability
... the absolute and con- vective instabilities. 32,33 The type of instability, either abso- lute or convective, is determined by the asymptotic behavior of the initial ...“convective” ...
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Convective and absolute instabilities in non-Boussinesq mixed convection
... buoyancy-driven instability mode occurs near the cold ...the convective-absolute instability transition as both instability modes have to be considered ...
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Absolute/convective secondary instabilities and the role of confinement in free shear layers
... the absolute/convective nature of the ...primary instability of parallel tanh profiles ...which absolute instability is ...for absolute/convective instability of ...
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Absolute and convective instabilities of an inviscid compressible mixing layer: Theory and applications
... of absolute and convective instabilities firstly used to describe plasma ...predicts instability whatever the Mach ...Kelvin-Helmholtz instability that weakens in supersonic ...of ...
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Absolute versus convective helical magnetorotational instabilities in Taylor-Couette flows
... a convective instability in an unbounded ...an absolute instability, by creating effective boundaries even in an otherwise unbounded ...the absolute and convective ...
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Absolute versus convective helical magnetorotational instabilities in Taylor-Couette flows
... a convective instability in an unbounded ...an absolute instability, by creating effective boundaries even in an otherwise unbounded ...the absolute and convective ...
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Absolute and convective instabilities of an inviscid compressible mixing layer: Theory and applications
... of absolute and convective instabilities firstly used to describe plasma ...predicts instability whatever the Mach ...Kelvin-Helmholtz instability that weakens in supersonic ...of ...
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Global behaviour corresponding to the absolute instability of the rotating disc boundary layer
... The excitation now lies well inside the absolutely unstable region according to the SH linear stability theory of Lingwood (1995) – in fact, the situation corresponds to figure 3(b). It can be seen that there is temporal ...
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Absolute and convective instabilities of parallel propagating circularly polarized Alfvén waves: numerical results
... the absolute instability on U for different values of ...the instability is convective (U < U l or U > U r ) we study the signalling ...
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Absolute instability modes due to rescattering of stimulated Raman scattering in a large nonuniform plasma
... from convective SRS can generate strong absolute instabili- ties in a plasma within n e < 1/9n c via the second-order SRS ...The absolute SRS mode develops a Langmuir wave with a high phase velocity ...
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Absolute and convective instability character of slender viscous vortices
... Their instability characters have been a subject of great in- terest for ...their absolute and convective instabilities 关共AI/CI兲, for reviews of the theory see Huerre and Monkewitz 2 and Huerre and ...
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Criteria for convective versus absolute string instability in car-following models
... For example, one might try to construct set-ups in which the downstream growth is trapped at junctions by the spatial heterogeneity of the road, and where the consequent upstream propagation results from nonlinear ...
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Convective instability and transient growth in flow over a backward facing step
... near the step edge, and simultaneously advects downstream into a region of stability where the perturbation decays. At this point, we must distinguish between different current research directions in hydrodynamic ...
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Convective instability in foam drainage
... a convective motion is described in foam, and it should be clear from the above that this is a phenomenon quite distinct from convective instabilities in ordinary fluid ...
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Convective Instability Of Strongly Magnetized Ferrofluids
... Convective instability of magnetized ferrofluids is strongly affected by the magneto and thermophoretic transfer of magnetic grains. The magnetic susceptibility of ferrofluids lies between paramagnetic and ...
On Some Generalization of the Rayleigh Problem on a Convective Instability
... *Corresponding Author: [email protected] Copyright © 2014 Horizon Research Publishing All rights reserved Abstract Previous investigations using the numerical modeling of moist convection in the atmosphere found an ...
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