[cig-commits] r18745 - short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8

[willic3 at geodynamics.org]

Author: willic3
Date: 2011-07-12 16:11:00 -0700 (Tue, 12 Jul 2011)
New Revision: 18745

Modified:
   short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/pylithapp.cfg
   short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/step17.cfg
Log:
Moved smaller absolute convergence tolerance to step17.cfg, since it
shouldn't be needed for the other examples.



Modified: short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/pylithapp.cfg
===================================================================
--- short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/pylithapp.cfg	2011-07-12 21:30:10 UTC (rev 18744)
+++ short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/pylithapp.cfg	2011-07-12 23:11:00 UTC (rev 18745)
@@ -79,7 +79,7 @@
 
 # Convergence parameters.
 ksp_rtol = 1.0e-8
-ksp_atol = 1.0e-20
+ksp_atol = 1.0e-12
 ksp_max_it = 100
 ksp_gmres_restart = 50
 

Modified: short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/step17.cfg
===================================================================
--- short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/step17.cfg	2011-07-12 21:30:10 UTC (rev 18744)
+++ short/3D/PyLith/branches/v1.6-stable/examples/3d/hex8/step17.cfg	2011-07-12 23:11:00 UTC (rev 18745)
@@ -158,3 +158,12 @@
 writer.filename = output/step17-lower_crust.vtk
 writer.time_format = %04.0f
 writer.time_constant = 1.0*year
+
+# ----------------------------------------------------------------------
+# PETSc
+# ----------------------------------------------------------------------
+[pylithapp.petsc]
+
+# Set smaller absolute linear convergence tolerance to help convergence of
+# nonlinear solution.
+ksp_atol = 1.0e-20