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parpp3d++ Contents 10 Migrating from pp3d 1 Up to the starting line 1 2 Installation 2 2.1 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.2 Compilation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 Syntax of parameter files 4 4 Creating a 3D grid file 12 5 Prescription of inflow and boundary conditions 13 5.1 Prescription of inflow . . . . . . . . . . . . . . . . . . . . . . 13 5.2 Prescription of boundary conditions 13 . . . . . . . . . . . . . . 22 10.1 Equivalent options in parameter files . . . . . . . . . . . . . . 22 10.2 Changes to coarse grid file . . . . . . . . . . . . . . . . . . . 22 10.3 indat3d.f and parq3d.f . . . . . . . . . . . . . . . . . . . . . 23 List of Tables 1 2 parpp3d++ ships with settings for these combinations of architectures, compilers and MPI environments . . . . . . . . . 1 Equivalent options in parameter files of pp3d and parpp3d++ 22 List of Figures 1 Sample parameter file samples/unitcube.dat . . . . . . . . 5 1 Sample parameter file samples/unitcube.dat (continued) . . 6 1 Sample parameter file samples/unitcube.dat (continued) . . 6 17 2 Creating a 3D mesh via extrusion . . . . . . . . . . . . . . . 12 17 3 Prototypical device used in chemical engineering . . . . . . . 14 7.2 Different solver routines for mixed and pure boundary conditions 17 4 Coarse grid of the geometry (2D cutplane view) . . . . . . . . 14 7.3 Calculation of drag and lift values . . . . . . . . . . . . . . . 5 Sample output file of parpp3d++ . . . . . . . . . . . . . . . 18 6 Boundary projection 14 7 Scattered code changes 7.1 Changes to parser routine for parameter files . . . . . . . . . 17 6 Sample output file of parpp3d++ (continued) . . . . . . . . . 18 18 7 Sample output file of parpp3d++ (continued) . . . . . . . . . 19 8.1 Statistical output files . . . . . . . . . . . . . . . . . . . . . . 18 8 Sample output file of parpp3d++ (continued) . . . . . . . . . 19 8.2 Restart solution files . . . . . . . . . . . . . . . . . . . . . . . 19 8.3 Visualisation output files . . . . . . . . . . . . . . . . . . . . . 20 8 Output files 9 Known bugs 9.1 Not simply connected partitions 21 . . . . . . . . . . . . . . . . 21 9.2 More cases of inappropriate partitions . . . . . . . . . . . . . 21 9.3 Disadvantage of triangulations with high aspect ratios . . . . 21