From fdb0a295c287a42278b806b34b6e644df817cb1c Mon Sep 17 00:00:00 2001
From: Philipp Nuske <philipp.nuske@mailbox.org>
Date: Mon, 17 Sep 2012 14:31:10 +0000
Subject: [PATCH] updated model description of mpnc model
git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@9085 2fb0f335-1f38-0410-981e-8018bf24f1b0
---
dumux/boxmodels/mpnc/mpncmodel.hh | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/dumux/boxmodels/mpnc/mpncmodel.hh b/dumux/boxmodels/mpnc/mpncmodel.hh
index 145ec41c42..e643b8356a 100644
--- a/dumux/boxmodels/mpnc/mpncmodel.hh
+++ b/dumux/boxmodels/mpnc/mpncmodel.hh
@@ -37,27 +37,21 @@ namespace Dumux
* are mixtures of \f$N \geq M - 1\f$ chemical species which are
* denoted by the upper index \f$\kappa \in \{ 1, \dots, N \} \f$.
*
- * The standard multi-phase Darcy law is used as the equation for
- * the conservation of momentum:
- * \f[
- v_\alpha = - \frac{k_{r\alpha}}{\mu_\alpha} \boldsymbol{K}
- \left(
- \text{grad}\left(p_\alpha - \varrho_{\alpha} g\right)
- \right)
- \f]
+ * The momentum approximation can either be selected via "BaseFluxVariables":
+ * Darcy (BoxDarcyFluxVariables) and Forchheimer (BoxForchheimerFluxVariables)
+ * relations are available for all Box models.
*
* By inserting this into the equations for the conservation of the
* mass of each component, one gets one mass-continuity equation for
* each component \f$\kappa\f$
* \f[
\sum_{\kappa} \left(
- \phi \frac{\partial \varrho_\alpha x_\alpha^\kappa S_\alpha}{\partial t}
- -
+ \phi \frac{\partial \left(\varrho_\alpha x_\alpha^\kappa S_\alpha\right)}{\partial t}
+ +
\mathrm{div}\;
\left\{
+ v_\alpha
\frac{\varrho_\alpha}{\overline M_\alpha} x_\alpha^\kappa
- \frac{k_{r\alpha}}{\mu_\alpha} \boldsymbol{K}
- \text{grad}\left( p_\alpha - \varrho_{\alpha} g\right)
\right\}
\right)
= q^\kappa
--
GitLab