[cig-commits] r6555 - in short/3D/PyLith/branches/pylith-0.8/doc/userguide: . intro

[willic3 at geodynamics.org]

Author: willic3
Date: 2007-04-12 10:30:02 -0700 (Thu, 12 Apr 2007)
New Revision: 6555

Modified:
   short/3D/PyLith/branches/pylith-0.8/doc/userguide/intro/intro.lyx
   short/3D/PyLith/branches/pylith-0.8/doc/userguide/userguide.lyx
Log:
More changes to documentation.



Modified: short/3D/PyLith/branches/pylith-0.8/doc/userguide/intro/intro.lyx
===================================================================
--- short/3D/PyLith/branches/pylith-0.8/doc/userguide/intro/intro.lyx	2007-04-12 17:29:03 UTC (rev 6554)
+++ short/3D/PyLith/branches/pylith-0.8/doc/userguide/intro/intro.lyx	2007-04-12 17:30:02 UTC (rev 6555)
@@ -1,4 +1,4 @@
-#LyX 1.4.3 created this file. For more info see http://www.lyx.org/
+#LyX 1.4.4 created this file. For more info see http://www.lyx.org/
 \lyxformat 245
 \begin_document
 \begin_header
@@ -230,9 +230,10 @@
 \end_inset
 
  are the inelastic strains, with the difference being the elastic strains.
- In our actual computations, we use a formulation that decomposes the stresses
- into the deviatoric and volumetric parts, using ideas based on the "effective
- stress function" 
+ In our actual computations, we use several different formulations, depending
+ on the constitutive relation.
+ One such formulation decomposes the stresses into the deviatoric and volumetric
+ parts, using ideas based on the "effective stress function" 
 \begin_inset LatexCommand \cite{Kojic:Bathe:1987}
 
 \end_inset
@@ -240,6 +241,12 @@
 .
  This allows the time integration of stresses to be performed in terms of
  a single parameter related to the second deviatoric stress invariant.
+ We also use viscoelastic formulations based on those of 
+\begin_inset LatexCommand \cite{Zienkiewicz:Taylor:2000}
+
+\end_inset
+
+.
 \end_layout
 
 \begin_layout Section
@@ -308,6 +315,25 @@
  of performance logs.
 \end_layout
 
+\begin_layout Standard
+PyLith 0.8 and the upcoming PyLith 1.0 make use of a new aspect of PETSc known
+ as 
+\family typewriter
+Sieve
+\family default
+, which is still under active development.
+ 
+\family typewriter
+Sieve
+\family default
+ is a new method for representing computational meshes, and it greatly simplifie
+s the task of code parallelization.
+ Sieve also provides a number of other useful features, such as the ability
+ to grab 'sections' of a mesh that share common characteristics, such as
+ elements of the same material type or nodes to which boundary conditions
+ have been applied.
+\end_layout
+
 \begin_layout Subsection
 Pyre
 \end_layout

Modified: short/3D/PyLith/branches/pylith-0.8/doc/userguide/userguide.lyx
===================================================================
--- short/3D/PyLith/branches/pylith-0.8/doc/userguide/userguide.lyx	2007-04-12 17:29:03 UTC (rev 6554)
+++ short/3D/PyLith/branches/pylith-0.8/doc/userguide/userguide.lyx	2007-04-12 17:30:02 UTC (rev 6555)
@@ -1,4 +1,4 @@
-#LyX 1.4.3 created this file. For more info see http://www.lyx.org/
+#LyX 1.4.4 created this file. For more info see http://www.lyx.org/
 \lyxformat 245
 \begin_document
 \begin_header
@@ -116,7 +116,7 @@
 
 \begin_layout Standard
 \begin_inset Include \input{preface.lyx}
-preview false
+preview true
 
 \end_inset
 
@@ -247,5 +247,19 @@
 , 24, 1509-1532.
 \end_layout
 
+\begin_layout Bibliography
+
+\bibitem [4]{Zienkiewicz:Taylor:2000}
+Zienkiewicz, O.
+ C.
+ and R.
+ L.
+ Taylor (2000), 
+\shape italic
+The Finite Element Method, Fifth Edition, Volume 2: Solid Mechanics
+\shape default
+, Butterworth-Heinemann, Oxford, 459 pp.
+\end_layout
+
 \end_body
 \end_document