A SIMPLE NUMERICAL-METHOD FOR HYDROSTATIC INCOMPRESSIBLE MODELS WITH RIGID LIDS
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Data
1993-12-01
Orientador
Coorientador
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Amer Meteorological Soc
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Artigo
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Resumo
A simple and easily implemented method is developed to keep the vertical velocity equal to zero at the bottom and top of hydrostatic incompressible numerical models. The pressure is computed at the top by correcting its value given in the previous time step so that the vertical integral of the horizontal divergence is zero at each column. Numerical experiments that exhibit small time variations of pressure at the top are able to simplify the algorithm and save computer time. Numerical simulations illustrate the method effectiveness for a horizontal deformation-induced frontogenesis.
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Inglês
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Monthly Weather Review. Boston: Amer Meteorological Soc, v. 121, n. 12, p. 3438-3442, 1993.