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Ewoms::ImmiscibleModel< TypeTag > Class Template Reference

A fully-implicit multi-phase flow model which assumes immiscibility of the phases. More...

#include <immisciblemodel.hh>

Inheritance diagram for Ewoms::ImmiscibleModel< TypeTag >:
Ewoms::MultiPhaseBaseModel< TypeTag > Ewoms::DiscreteFractureModel< TypeTag >

Public Member Functions

 ImmiscibleModel (Simulator &simulator)
 
std::string primaryVarName (unsigned pvIdx) const
 Given an primary variable index, return a human readable name. More...
 
std::string eqName (unsigned eqIdx) const
 Given an equation index, return a human readable name. More...
 
void updateBegin ()
 Called by the update() method before it tries to apply the newton method. More...
 
Scalar primaryVarWeight (unsigned globalDofIdx, unsigned pvIdx) const
 
Scalar eqWeight (unsigned globalDofIdx, unsigned eqIdx) const
 
void registerOutputModules_ ()
 
- Public Member Functions inherited from Ewoms::MultiPhaseBaseModel< TypeTag >
 MultiPhaseBaseModel (Simulator &simulator)
 
void finishInit ()
 Apply the initial conditions to the model. More...
 
bool phaseIsConsidered (unsigned phaseIdx OPM_UNUSED) const
 Returns true iff a fluid phase is used by the model. More...
 
void globalPhaseStorage (EqVector &storage, unsigned phaseIdx)
 Compute the total storage inside one phase of all conservation quantities. More...
 
void registerOutputModules_ ()
 

Static Public Member Functions

static void registerParameters ()
 Register all run-time parameters for the immiscible model.
 
static std::string name ()
 
- Static Public Member Functions inherited from Ewoms::MultiPhaseBaseModel< TypeTag >
static void registerParameters ()
 Register all run-time parameters for the immiscible model.
 

Detailed Description

template<class TypeTag>
class Ewoms::ImmiscibleModel< TypeTag >

A fully-implicit multi-phase flow model which assumes immiscibility of the phases.

This model implements multi-phase flow of $M > 0$ immiscible fluids $\alpha$. By default, the standard multi-phase Darcy approach is used to determine the velocity, i.e.

\[ \mathbf{v}_\alpha = - \frac{k_{r\alpha}}{\mu_\alpha} \mathbf{K}\left(\mathbf{grad}\, p_\alpha - \varrho_{\alpha} \mathbf{g} \right) \;, \]

although the actual approach which is used can be specified via the FluxModule property. For example, the velocity model can by changed to the Forchheimer approach by

* SET_TYPE_PROP(MyProblemTypeTag, FluxModule, Ewoms::ForchheimerFluxModule<TypeTag>);
*

The core of the model is the conservation mass of each component by means of the equation

\[ \frac{\partial\;\phi S_\alpha \rho_\alpha }{\partial t} - \mathrm{div} \left\{ \rho_\alpha \mathbf{v}_\alpha \right\} - q_\alpha = 0 \;. \]

The model uses the following primary variables:

  • The pressure $p_0$ in Pascal of the phase with the lowest index
  • The saturations $S_\alpha$ of the $M - 1$ phases that exhibit the lowest indices
  • The absolute temperature $T$ in Kelvin if energy is conserved via the energy equation

Member Function Documentation

template<class TypeTag >
std::string Ewoms::ImmiscibleModel< TypeTag >::eqName ( unsigned  eqIdx) const
inline

Given an equation index, return a human readable name.

Parameters
eqIdxThe index of the conservation equation of interest.
template<class TypeTag >
Scalar Ewoms::ImmiscibleModel< TypeTag >::eqWeight ( unsigned  globalDofIdx,
unsigned  eqIdx 
) const
inline
Parameters
globalVertexIdxThe global index of the vertex
eqIdxThe index of the equation
template<class TypeTag >
static std::string Ewoms::ImmiscibleModel< TypeTag >::name ( )
inlinestatic

template<class TypeTag >
std::string Ewoms::ImmiscibleModel< TypeTag >::primaryVarName ( unsigned  pvIdx) const
inline

Given an primary variable index, return a human readable name.

Parameters
pvIdxThe index of the primary variable of interest.
template<class TypeTag >
Scalar Ewoms::ImmiscibleModel< TypeTag >::primaryVarWeight ( unsigned  globalDofIdx,
unsigned  pvIdx 
) const
inline
Parameters
globalDofIdxThe global index of the degree of freedom
pvIdxThe index of the primary variable
template<class TypeTag >
void Ewoms::ImmiscibleModel< TypeTag >::updateBegin ( )
inline

Called by the update() method before it tries to apply the newton method.

This is primary a hook which the actual model can overload.


The documentation for this class was generated from the following file: