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Title of article :
Classical finite-difference methods apply only over regions that are rectangular or decomposed in several rectangular subdomains. We call a finite-difference scheme direct if it can be applied over any region decomposed using a logically-rectangular grid.
Author/Authors :
Carlos R. Torres Jr.، نويسنده , , J. Ochoa، نويسنده , , J. Castillo، نويسنده , , M. Van Woert، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
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Abstract :
Numerical simulations of a linearly stratified diffusive flow past an impulsively started sphere are described. The impulsive start is perpendicular to isopycnal surfaces. The equations are transformed to generalized coordinates and then approximated by a finite difference scheme over a suitable grid which resolves both the diffusive and viscous boundary-layers. The results are compared with experimental evidence.
Journal title :
Applied Numerical Mathematics
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Link To Document :