[cig-commits] commit: Add multigrid fixes and clarify rotations in the manual

[Mercurial]

changeset:   329:60d6714242bc
user:        Walter Landry <wlandry at caltech.edu>
date:        Wed Apr 06 10:57:46 2011 -0700
files:       doc/gale.lyx
description:
Add multigrid fixes and clarify rotations in the manual


diff -r 39d893a884cf -r 60d6714242bc doc/gale.lyx
--- a/doc/gale.lyx	Fri Nov 12 16:00:32 2010 -0800
+++ b/doc/gale.lyx	Wed Apr 06 10:57:46 2011 -0700
@@ -2698,11 +2698,40 @@ to the beginning of the file, and add th
 \end_layout
 
 \begin_layout Standard
-You may have to modify 
+You have to modify 
 \family typewriter
 mgLevels
 \family default
  for your problem.
+ Also, when you invoke Gale on the command line, add the options
+\end_layout
+
+\begin_layout LyX-Code
+--mgLevels=3
+\end_layout
+
+\begin_layout LyX-Code
+-mg_levels_ksp_type fgmres
+\end_layout
+
+\begin_layout LyX-Code
+-mg_levels_ksp_max_it 8
+\end_layout
+
+\begin_layout LyX-Code
+-mg_levels_pc_type bjacobi
+\end_layout
+
+\begin_layout LyX-Code
+-mg_coarse_pc_factor_mat_solver_package mumps
+\end_layout
+
+\begin_layout LyX-Code
+-mg_level_0_pc_factor_mat_solver_package mumps
+\end_layout
+
+\begin_layout LyX-Code
+-mg_coarse_pc_type lu -mg_level_0_pc_type lu
 \end_layout
 
 \begin_layout Subsection
@@ -8430,6 +8459,7 @@ status open
 \align center
 \begin_inset Graphics
 	filename images/dike.pdf
+	width 100col%
 
 \end_inset
 
@@ -12700,6 +12730,9 @@ CentreZ\end{array}\right)\right)R,\]
 \end_inset
 
  which it uses in the formulas below.
+ Note that the rotation is around the center of the shape.
+ So, for example, a box will rotate around the center of the box, not one
+ of its corners.
 \end_layout
 
 \begin_layout Standard