Changes between Version 1 and Version 2 of AthenaDocsPGDomS


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Timestamp:
05/12/10 23:55:54 (4 years ago)
Author:
jmstone
Comment:

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  • AthenaDocsPGDomS

    v1 v2  
    1 = Output Structure = 
     1= Domain Structure = 
    22 
    3 '''[wiki:WikiStart Wiki]/[wiki:AthenaDocs Documentation]/[wiki:AthenaDocsPG ProgrammerGuide]/Output Structure''' 
     3'''[wiki:WikiStart Wiki]/[wiki:AthenaDocs Documentation]/[wiki:AthenaDocsPG ProgrammerGuide]/Domain Structure''' 
    44 
    5 A final important data structure defined in {{{/athena/src/athena.h}}} is used 
     5Another important data structure defined in {{{/athena/src/athena.h}}} is {{{DomainS}}} 
     6{{{ 
     7typedef struct Domain_s{ 
     8  Real RootMinX[3];   /* min(x) in each dir on root Domain [0,1,2]=[x1,x2,x3] */ 
     9  Real RootMaxX[3];   /* max(x) in each dir on root Domain [0,1,2]=[x1,x2,x3] */ 
     10  Real MinX[3];       /* min(x) in each dir on this Domain [0,1,2]=[x1,x2,x3] */ 
     11  Real MaxX[3];       /* max(x) in each dir on this Domain [0,1,2]=[x1,x2,x3] */ 
     12  Real dx[3];                  /* cell size in this Domain [0,1,2]=[x1,x2,x3] */ 
     13  int Nx[3];      /* # of zones in each dir in this Domain [0,1,2]=[x1,x2,x3] */ 
     14  int NGrid[3];   /* # of Grids in each dir in this Domain [0,1,2]=[x1,x2,x3] */ 
     15  int Disp[3];   /* i,j,k displacements of Domain from origin [0,1,2]=[i,j,k] */ 
     16  int Level,DomNumber;   /* level and ID number of this Domain */ 
     17  int InputBlock;        /* # of <domain> block in input file for this Domain */ 
     18  GridS *Grid;       /* pointer to Grid in this Dom updated on this processor */ 
     19 
     20  GridsDataS ***GData; /* size,location, & processor IDs of Grids in this Dom */ 
     21 
     22  VGFun_t ix1_BCFun, ox1_BCFun;  /* ix1/ox1 BC function pointers for this Dom */ 
     23  VGFun_t ix2_BCFun, ox2_BCFun;  /* ix1/ox1 BC function pointers for this Dom */ 
     24  VGFun_t ix3_BCFun, ox3_BCFun;  /* ix1/ox1 BC function pointers for this Dom */ 
     25 
     26#ifdef MPI_PARALLEL 
     27  MPI_Comm Comm_Domain;        /* MPI communicator between Grids on this Dom */ 
     28  MPI_Group Group_Domain;      /* MPI group for Domain communicator */ 
     29#ifdef STATIC_MESH_REFINEMENT 
     30  MPI_Comm Comm_Parent;        /* MPI communicator to Grids in parent Domain  */ 
     31  MPI_Comm Comm_Children;      /* MPI communicator to Grids in  child Domains */ 
     32  MPI_Group Group_Children;    /* MPI group for Children communicator */ 
     33#endif /* STATIC_MESH_REFINEMENT */ 
     34#endif /* MPI_PARALLEL */ 
     35}DomainS; 
     36}}} 
     37This structure stores the edges of the Domain in the (x1,x2,x3) coordinate system, 
     38the integer displacement of the Domain from the origin of the root Domain, and information about 
     39needed for SMR and parallelization with MPI.