[cig-commits] r8153 -
short/3D/PyLith/trunk/doc/userguide/boundaryconditions
brad at geodynamics.org
brad at geodynamics.org
Thu Oct 18 21:22:33 PDT 2007
Author: brad
Date: 2007-10-18 21:22:32 -0700 (Thu, 18 Oct 2007)
New Revision: 8153
Modified:
short/3D/PyLith/trunk/doc/userguide/boundaryconditions/boundaryconditions.lyx
Log:
A tiny bit more work on absorbing boundary documentation.
Modified: short/3D/PyLith/trunk/doc/userguide/boundaryconditions/boundaryconditions.lyx
===================================================================
--- short/3D/PyLith/trunk/doc/userguide/boundaryconditions/boundaryconditions.lyx 2007-10-19 00:29:48 UTC (rev 8152)
+++ short/3D/PyLith/trunk/doc/userguide/boundaryconditions/boundaryconditions.lyx 2007-10-19 04:22:32 UTC (rev 8153)
@@ -38,6 +38,7 @@
\tracking_changes false
\output_changes false
\author ""
+\author ""
\end_header
\begin_body
@@ -789,6 +790,15 @@
\end_inset
in both cases.
+ We also recognize that
+\begin_inset Formula $\mu=\rho v_{s}^{2}$
+\end_inset
+
+ and
+\begin_inset Formula $\lambda+2\mu=\rho v_{p}^{2}$
+\end_inset
+
+.
This leads to the following expressions for the tractions:
\begin_inset Formula \begin{gather}
T_{s_{h}}=-\rho v_{s}\frac{\partial u_{s_{h}}^{t}(t-\frac{\vec{x}}{c})}{\partial t}\\
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