Changes between Version 2 and Version 3 of AthenaDocsSMRGeom


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Timestamp:
05/30/10 12:29:24 (4 years ago)
Author:
jmstone
Comment:

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  • AthenaDocsSMRGeom

    v2 v3  
    1313applied to the root Domain will be applied to the finer level Domains as well. 
    1414 
    15 [[Image(SMRDom1.png,20%)]] 
    16 [[Image(SMRDom2.png,20%)]] 
    17 [[Image(SMRDom3.png,20%)]] 
     15[[Image(SMRDoms1.png,15%)]] 
     16[[Image(SMRDoms2.png,15%)]] 
     17[[Image(SMRDoms3.png,15%)]] 
    1818 
    1919However, with periodic BCs, the finer level Domains must touch ''both'' sides of the root Domain, or none at all.  Thus, the first 
     
    2222== Space is required between Domains at different levels == 
    2323 
     24The edges of Domains at different levels cannot touch, unless they also touch the boundary of the root Domain.  In addition, there must be at 
     25least ''nghost'' (generally 4) cells on the finest level between the boundaries of Domains at different levels.  This space is needed so that the ghost  
     26zones on the finer level can be set by a prolongation of ''active cells'' (not the ghost zones) on the coarser level.  The first example below is 
     27allowed, and the following two are not allowed. 
     28 
     29[[Image(SMRDoms4.png,15%)]] 
     30[[Image(SMRDoms5.png,15%)]] 
     31[[Image(SMRDoms6.png,15%)]] 
     32 
    2433== Domains at the same level cannot touch ==