[ stokes ]

changed model description, that mole fraction gradient is used for
diffusion


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@10354 2fb0f335-1f38-0410-981e-8018bf24f1b0

dumux/freeflow/stokes2c/stokes2cmodel.hh

@@ -55,7 +55,7 @@ namespace Dumux {
  * \f[
  \frac{\partial \left(\varrho_g X_g^\kappa\right)}{\partial t}
  + \boldsymbol{\nabla} \boldsymbol{\cdot} \left( \varrho_g {\boldsymbol{v}}_g X_g^\kappa
- - D^\kappa_g \varrho_g \boldsymbol{\nabla} X_g^\kappa \right)
+ - D^\kappa_g \varrho_g \frac{M^\kappa}{M_g} \boldsymbol{\nabla} x_g^\kappa \right)
  - q_g^\kappa = 0
  * \f]
  *

dumux/freeflow/stokes2cni/stokes2cnimodel.hh

@@ -57,7 +57,7 @@ namespace Dumux {
  * \f[
  \frac{\partial \left(\varrho_g X_g^\kappa\right)}{\partial t}
  + \boldsymbol{\nabla} \boldsymbol{\cdot} \left( \varrho_g {\boldsymbol{v}}_g X_g^\kappa
- - D^\kappa_g \varrho_g \boldsymbol{\nabla} X_g^\kappa \right)
+ - D^\kappa_g \varrho_g \frac{M^\kappa}{M_g} \boldsymbol{\nabla} x_g^\kappa \right)
  - q_g^\kappa = 0
  * \f]
  *