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* Reduce dissipation on coarse levels.HEADmasterAnton Khirnov2016-02-26
| | | | Seems to improve stability.
* expand documentationsvnrhaas2013-03-22
| | | | | | | | | | | this was kindly provided by Bernard Kelly, who writes: I've added to the documentation for the Dissipation thorn, since what was there was just a pointer to the Kreiss & Oliger paper. Now there's an expression for what actually happens in the thorn, and some discussion of the main parameters. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@57 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* correct error messageknarf2013-02-22
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@56 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Use cctk_ash instead of cctk_lsh where necessaryeschnett2013-01-20
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@55 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Dissipation: regenerate test data after Carpet changerhaas2012-11-27
| | | | | | | | | Carpet's 6b5c318bb1057851d0ee1b5bba6e633c5cf31ca6 which re-copies init_fill_timelevels after initial restriction affects the ID we see and hence the final answer git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@54 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Remove unused variable declarationshinder2012-11-26
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@53 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* whitespace change in "grid" file to reflect change in Carpetrhaas2012-08-28
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@50 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* increase test tolerance by 100 since gxx is of order 100 not 1 anymorerhaas2012-05-10
| | | | | | | | | | | | make domain description play nicer with Carpet use NoExcision to remove innermost part of black hole singularity stagger points aways from origin reduce elliptic solver accuracy all of these hopefully make the test more robust to changes in the compiler git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@48 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* use ML_BSSN instead of BSSN_MoL in testsuitesrhaas2012-05-05
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@47 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Add ninth order dissipation operatoreschnett2011-12-16
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@46 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Correct private variable declarations for OpenMP parallelisationeschnett2011-06-07
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@42 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Do not prolongate nor checkpoint epsdisschnetter2009-05-27
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@36 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Make the buffers of 4 points again.baiotti2008-12-08
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@35 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Compulsory updates to parameters.baiotti2008-12-08
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@34 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Correct typo in commentschnetter2008-04-27
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@33 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Ensure that there are enough ghost zonesschnetter2008-02-19
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@32 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Added per-refinement-level dissipation via a new 'epsdis_for_level'pollney2007-12-13
| | | | | | | | | | parameter. If this is non-zero for a particular index, then the value will be used as the epsdis parameter for the refinement level corresponding to that index. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@31 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Add new parameter use_dissipation_near_excision.schnetter2007-12-05
| | | | | | | Add OpenMP parallelisation. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@30 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Fix a bug in setting extra dissipation at the outer boundary.baiotti2007-03-04
| | | | | | | Add a parameter to specify the maximum epsdis for the extra dissipation at the outer boundary, if wanted. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@29 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* - output 1D ASCII output files with axis label informationtradke2007-03-01
| | | | | | | - don't copy the parfile into output directory git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@28 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* manually fixed 1D ASCII output files:tradke2007-03-01
| | | | | | | | | | | | | | * added missing comment lines at the top # 1D ASCII output created by CarpetIOASCII # * fixed comment line # column format: it tl rl c ml ix iy iz time x y z data into # column format: 1:it 2:tl 3:rl 4:c 5:ml 6:ix 7:iy 8:iz 9:time 10:x 11:y 12:z 13:data removed unneeded copy of parfile git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@27 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* run testsuites only on a single processor (because of processor-specifictradke2007-01-18
| | | | | | | CarpetIOASCII output files) git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@26 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* For Carpet parfiles, use CarpetIOBasic and CarpetIOScalar instead of IOBasic.tradke2006-11-24
| | | | | | | Now the testsuite parfile is consistent again, however a run crashes. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@25 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Set up epsdis mask also in postregrid.schnetter2006-08-01
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@24 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Correct typographical error in parameter description.schnetter2006-07-19
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@23 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Add Peter's new higher order dissipation operators.schnetter2006-04-11
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@22 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Reorder parametersschnetter2006-04-11
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@21 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* new parameter to shift the dissipation location with respect to the AH locationknarf2006-04-11
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@20 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* add local_reduceknarf2006-04-11
| | | | | | | However: both do not run because of internal errors (changes) in IOBasic (the new reduction interface) git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@19 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* add missing filesknarf2005-12-02
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@18 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* respect emask if requested by parameterknarf2005-07-26
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@15 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Correct commentschnetter2005-07-11
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@14 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* -new parameter ah_max_epsdisknarf2005-06-20
| | | | | | | -bugfix for ah not at (0,0,0) git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@13 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* REQUIRES THORN SPknarf2005-06-20
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@12 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* remote the factor epsdisp from the slopes. This means that you have to changeknarf2005-06-15
| | | | | | | | the slope values in your old parameter files by dividing by the slope value used to get the old behaviour. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@11 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Add Frank Herrmann's extra dissipation switches.schnetter2005-06-14
| | | | | | | | | Two new parameters, Dissipation::extra_dissipation_in_horizons and Dissipation::extra_dissipation_at_outerbound, increase the disspation coefficient inside horizons and near the outer boundary. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@10 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Check whether there are enough ghost zones.schnetter2005-04-30
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@9 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Correct second derivative operator for first order dissipationschnetter2005-04-25
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@8 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Correct checks for whether there are enough ghost zonesschnetter2005-03-22
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@7 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Pass dt in addition to dx to the dissipating functionschnetter2004-12-29
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@6 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Rename order from 2,4 to 1,3.schnetter2004-05-16
| | | | | | | | | Re-introduce factor 1/16 for 3rd order dissipation. Correct sign error in 1st order dissipation. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@5 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Fix a severe bug: forgot to divide by the grid spacing.schnetter2004-05-14
| | | | | | | | | | | Remove spurious factor of 1/16. Add second order dissipation, which is first order correct. Checked stability interval. It should now be as described. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@4 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Kreiss-Oliger artificial dissipation for MoL.schnetter2004-01-02
| | | | git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@2 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
* Standard project directories initialized by cvs2svn.(no author)2004-01-02
git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@1 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
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