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Atmósfera

   
Inicio  /  Atmósfera  /  Vol: 11 Núm: 3 Par: 0 (1998)  /  Artículo
ARTÍCULO
TITULO

On the structure of the stability matrix in the normal mode stability study of zonal incompressible flows on a sphere

YURI N. SKIBA    
JULIAN ADEM    
TOMÁS MORALES ACOLTZI    

Resumen

A structure of the matrix resulting from the normal mode stability of tonal non-divergent flows on a sphere is analyzed. The analysis is based on using the recurrent formula derived for the nonlinear triad interaction coefficients. As an application, it is shown that a zonal flow of the form of a Legendre polynomial of degree j is exponentially and algebraically stable to all the small-scale perturbations whose zonal wave number is greater than j.

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Aerospace

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