文件列表:

stag (0, 2012-06-11)
stag\grid.f (16503, 2012-06-11)
stag\grid.inp (355, 2012-06-11)
stag\plot.f (49706, 2012-06-11)
stag\plot.inp (567, 2012-06-11)
stag\pstag.f (23784, 2012-06-11)
stag\pstag.inp (400, 2012-06-11)

This directory contains the code for solving Navier-Stokes equations using Cartesian grids and staggered arrangement of variables. The following files are in this directory: GRID.F Grid generation code for Cartesian grids. It is identical to the code GRID.F in directory 2DC for colocated grids. Here no multigrid version of the flow solver is available (colocated arrangement is nice especially because the implementation of multigrid is easy, as only one set of CVs is present), so one should generate only a single grid. GRID.INP An example of input data for the above code. PSTAG.F Flow solver using Cartesian grids and staggered arrangement of variables. Velocity U is displaced to the east, V to the north face of continuity CVs. See Sect. 7.5.1 for details on the algorithm. There are many comments in the code which make it easy to recognize the elements of the algorithm. Only steady version; it is easy to implement time integration following the strategy from PCOL.F (time integration does not depend on variable arrangement). Upwind or central differencing can be chosen for convective terms. The code is set for a lid-driven cavity flow; it could be a good excercise for a student to adapt it to a flow with inlet and outlet... PSTAG.INP An example of input data for the above code. PLOT.F The code which produces vector, profile, contour, and colour fill plots of results. It is the same code that is used for colocated Cartesian (directory 2DC) and non-orthogonal (directory 2DG) grids. PLOT.INP An example of input data for the above code.

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