[cig-commits] r11276 - in long/3D/Gale/trunk: . documentation

[walter at geodynamics.org]

Author: walter
Date: 2008-02-27 13:51:41 -0800 (Wed, 27 Feb 2008)
New Revision: 11276

Modified:
   long/3D/Gale/trunk/
   long/3D/Gale/trunk/documentation/gale.lyx
Log:
 r2014 at earth:  boo | 2008-02-27 13:51:24 -0800
 Added info about ability to set dt



Property changes on: long/3D/Gale/trunk
___________________________________________________________________
Name: svk:merge
   - 3a629746-de10-0410-b17b-fd6ecaaa963e:/cig:2012
   + 3a629746-de10-0410-b17b-fd6ecaaa963e:/cig:2014

Modified: long/3D/Gale/trunk/documentation/gale.lyx
===================================================================
--- long/3D/Gale/trunk/documentation/gale.lyx	2008-02-27 21:41:10 UTC (rev 11275)
+++ long/3D/Gale/trunk/documentation/gale.lyx	2008-02-27 21:51:41 UTC (rev 11276)
@@ -1,4 +1,4 @@
-#LyX 1.5.1 created this file. For more info see http://www.lyx.org/
+#LyX 1.5.3 created this file. For more info see http://www.lyx.org/
 \lyxformat 276
 \begin_document
 \begin_header
@@ -6446,6 +6446,18 @@
 \end_layout
 
 \begin_layout Description
+dt The size of the time step.
+ Ordinarily, Gale will automatically choose an appropriate step size to
+ ensure a stable solution.
+ For some purposes, it may be convenient to explicitly specify the time
+ step.
+ Be careful! The time step will then be constant over the entire simulation.
+ If the grid stretches and/or velocities become larger than you expect,
+ you may end up with an unstable simulation.
+ The default is 0, which means to use dynamic time stepping.
+\end_layout
+
+\begin_layout Description
 seed A random number seed used when placing new particles.
  You should never need to change this variable, since changing it should
  not affect the simulation.