剑桥大学出版社期刊
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作者:Joseph T. Parker , Paul J. Dellar
来源:[J].Journal of Plasma Physics(IF 0.755), 2015, Vol.81 (2)Cambridge U Press
摘要:We study Landau damping in the 1+1D Vlasov–Poisson system using a Fourier–Hermite spectral representation. We describe the propagation of free energy in Fourier–Hermite phase space using forwards and backwards propagating Hermite modes recently developed for gyrokinetic...
作者:Emma S. Warneford , Paul J. Dellar
来源:[J].Journal of Fluid Mechanics(IF 2.183), 2013, Vol.723, pp.374-403Cambridge U Press
摘要:Abstract The thermal shallow water equations provide a depth-averaged description of motions in a fluid layer that permits horizontal variations in material properties. They typically arise through an equivalent barotropic approximation of a two-layer system, with a spatially var...
作者:Andrew L. Stewart , Paul J. Dellar
来源:[J].Journal of Fluid Mechanics(IF 2.183), 2013, Vol.723, pp.289-317Cambridge U Press
摘要:Abstract We analyse the hyperbolicity of our multilayer shallow water equations that include the complete Coriolis force due to the Earth’s rotation. Shallow water theory represents flows in which the vertical shear is concentrated into vortex sheets between layers of unifor...
作者:PAUL J. DELLAR
来源:[J].Journal of Fluid Mechanics(IF 2.183), 2011, Vol.674, pp.174-195Cambridge U Press
摘要:Starting from Hamilton's principle on a rotating sphere, we derive a series of successively more accurate β-plane approximations. These are Cartesian approximations to motion in spherical geometry that capture the change with latitude of the angle between the rotation vector...
作者:PAUL J. DELLAR
来源:[J].Journal of Fluid Mechanics(IF 2.183), 2011, Vol.667, pp.520-543Cambridge U Press
摘要:Braginskii magnetohydrodynamics (MHD) is a single-fluid description of large-scale motions in strongly magnetised plasmas. The ion Larmor radius in these plasmas is much shorter than the mean free path between collisions, so momentum transport across magnetic field lines is stron...
作者:Andrew L. Stewart , Paul J. Dellar
来源:[J].Journal of Fluid Mechanics(IF 2.183), 2011, Vol.690, pp.16-50Cambridge U Press
摘要:Abstract We investigate the behaviour of linear plane waves in multilayer shallow water equations that include a complete treatment of the Coriolis force. These equations improve upon the conventional shallow water equations, based on the traditional approximation, that include o...
作者:ANDREW L. STEWART , PAUL J. DELLAR
来源:[J].Journal of Fluid Mechanics(IF 2.183), 2010, Vol.651, pp.387-413Cambridge U Press
摘要:We derive equations to describe the flow of multiple superposed layers of inviscid, incompressible fluids with constant densities over prescribed topography in a rotating frame. Motivated by geophysical applications, these equations incorporate the complete Coriolis force. W...

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