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git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@136 f69c4107-0314-4c4f-9ad4-17e986b73f4a
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containing the delta's used in the Kreiss-Oliger type dissipation. This is
activated with a parameter (use_variable_deltas) and a routine
(SBP_DeltaInitial) is scheduled at BASEGRID to set the default values
initially. The grid functions can be modified later by a scheduled user
function if so desired.
git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@116 f69c4107-0314-4c4f-9ad4-17e986b73f4a
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operators, as set by boundary_shiftout* parameters of CoordBase.
Only first-order centered derivative operators are affected.
git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@105 f69c4107-0314-4c4f-9ad4-17e986b73f4a
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git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@97 f69c4107-0314-4c4f-9ad4-17e986b73f4a
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ecplictly setting any derivatives in the y- and/or z-direction to zero
when simulating 1- or 2-D problems with a 3D code. This avoids issues with
errors at roundoff level in the y- and z-directions. Should be used with care
and together with the parameter check_grid_sizes to avoid complaints about
too small grids in the y- and z-directions.
Has only been tested in a few cases. If problems are caused by this commit,
please report them immediately.
git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@59 f69c4107-0314-4c4f-9ad4-17e986b73f4a
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6-3 derivative operators.
git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@55 f69c4107-0314-4c4f-9ad4-17e986b73f4a
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