Non-linear behaviour of warped discs around a central object with a quadrupole moment

ABSTRACT The non-linear behaviour of low-viscosity warped discs is poorly understood. We verified a non-linear bending-wave theory, in which fluid columns undergo affine transformations, with direct 3D hydrodynamical simulations. We employed a second-order Godunov-type scheme, meshless finite mass (...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2022-04, Vol.512 (4), p.6078-6092
Hauptverfasser:	Deng, Hongping, Ogilvie, Gordon I
Format:	Artikel
Sprache:	eng
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