Changes between Version 24 and Version 25 of IntegrationScheme


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Timestamp:
05/02/11 10:34:04 (14 years ago)
Author:
Jonathan
Comment:

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  • IntegrationScheme

    v24 v25  
    122122 = !Spatial/Temporal Method Combinations (iScheme=1) =
    123123  In general the Gudonov option should be used as a last resort.  The PPM is a somewhat expensive high order reconstruction method.  Method(4) should always equal method(2).  If there are source terms present, method(5) must be 2.  And method(6) should be between 1 and 3 for ideal hydro, 4 for isothermal hydro, 6 for ideal MHD and 8 for isothermal MHD.  If method(6)=0, then the appropriate HLL solver (2,4,6, or 8) is chosen depending on lMHD and iEOS.  (If lMHD is true then iDivB must also be set to 6.)
     124
     125[attachment:PPMGudonovPrecision.png Click here for plot showing order of default PPM method compared to Gudonov 1st order scheme used when (lGudonov == .true.)]