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Browsing Publications of Astronomical Society of India by Author "Ghanbari, J"

Browsing Publications of Astronomical Society of India by Author "Ghanbari, J"

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  • The non-linear theory of a warp ed accretion disc with the Beta -viscosity prescription 
    Ghanbari, J; Shadmehri, M; Salehi, F (Astronomical Society of India, 2005-12)
    We study the nonlinear dynamics of a warped or twisted accretion disc, in which the viscosity coefficients are assumed to be locally proportional to the rotational velocity (Beta -prescription). Using asymptotic methods ...
  • Occurrence of thermal instability in molecular clouds 
    Nejad-Asghar, M; Ghanbari, J (Astronomical Society of India, 2004-09)
    Linear perturbation is used on the complete MHD equations of the magnetic molecular clouds. We carry out a comparison of characteristic time-scales, and find conditions which linear thermal instability causes to form the ...

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