Stratified flow over an obstacle : a numerical experiment
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Numerical studies of time-dependent, two-dimensional, stratified flow of incompressible, viscous, diffusive fluid are described. The particular physical problem which has been considered is that of stratified flow over a vertical fence when the motion is impulsively started from rest. Solutions have been calculated for the following two cases: Re = 397, Pr = 10, Ri = 1.58; and Re = 5000, Pr = 1, Ri = 1.58. The results are presented as contour plots of the flow variables, generated directly by the computer. A new iterative method was used for numerical integration of the governing equations and ...