XML Element: SinglePhaseWell
============================

===================================== ====================================== ======== ==================================================================================================================================================================================================================================================================================================================================================================================================================================================================== 
Name                                  Type                                   Default  Description                                                                                                                                                                                                                                                                                                                                                                                                                                                          
===================================== ====================================== ======== ==================================================================================================================================================================================================================================================================================================================================================================================================================================================================== 
allowNegativePressure                 integer                                1        Flag indicating if negative pressure is allowed                                                                                                                                                                                                                                                                                                                                                                                                                      
allowNonConvergedLinearSolverSolution integer                                1        Cut time step if linear solution fail without going until max nonlinear iterations.                                                                                                                                                                                                                                                                                                                                                                                  
cflFactor                             real64                                 0.5      Factor to apply to the `CFL condition <http://en.wikipedia.org/wiki/Courant-Friedrichs-Lewy_condition>`_ when calculating the maximum allowable time step. Values should be in the interval (0,1]                                                                                                                                                                                                                                                                    
initialDt                             real64                                 1e+99    Initial time-step value required by the solver to the event manager.                                                                                                                                                                                                                                                                                                                                                                                                 
isThermal                             integer                                0        Flag indicating whether the problem is thermal or not.                                                                                                                                                                                                                                                                                                                                                                                                               
logLevel                              integer                                0        | Sets the level of information to write in the standard output (the console typically).                                                                                                                                                                                                                                                                                                                                                                               
                                                                                      | Information output from lower logLevels is added with the desired log level                                                                                                                                                                                                                                                                                                                                                                                          
                                                                                      | 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                      |  - Convergence information                                                                                                                                                                                                                                                                                                                                                                                                                                           
                                                                                      |  - Linear solver information                                                                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                      |  - Output residual norm                                                                                                                                                                                                                                                                                                                                                                                                                                              
                                                                                      |  - Solution information (scaling, maximum changes, quality check)                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                      |  - Time step information                                                                                                                                                                                                                                                                                                                                                                                                                                             
                                                                                      |  - Solver timers information                                                                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                      |  - Well control information                                                                                                                                                                                                                                                                                                                                                                                                                                          
                                                                                      | 2                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                      |  - The summary of declared fields and coupling                                                                                                                                                                                                                                                                                                                                                                                                                       
name                                  groupName                              required A name is required for any non-unique nodes                                                                                                                                                                                                                                                                                                                                                                                                                          
targetRegions                         groupNameRef_array                     required Allowable regions that the solver may be applied to. Note that this does not indicate that the solver will be applied to these regions, only that allocation will occur such that the solver may be applied to these regions. The decision about what regions this solver will beapplied to rests in the EventManager.                                                                                                                                               
timeStepFromTables                    integer                                0        Choose time step to honor rates/bhp tables time intervals                                                                                                                                                                                                                                                                                                                                                                                                            
usePhysicsScaling                     integer                                1        Enable physics-based scaling of the linear system. Default: true.                                                                                                                                                                                                                                                                                                                                                                                                    
writeCSV                              integer                                0        When set to 1, write the rates into a CSV file                                                                                                                                                                                                                                                                                                                                                                                                                       
writeLinearSystem                     integer                                0        Write matrix, rhs, solution to screen ( = 1) or file ( = 2).                                                                                                                                                                                                                                                                                                                                                                                                         
writeStatistics                       geos_PhysicsSolverBase_StatsOutputType none     | When set to `iteration`, output iterations information to a csv                                                                                                                                                                                                                                                                                                                                                                                                      
                                                                                      | When set to `convergence`, output convergence information to a csv                                                                                                                                                                                                                                                                                                                                                                                                   
                                                                                      | When set to `all` output both convergence & iteration information to a csv.                                                                                                                                                                                                                                                                                                                                                                                          
LinearSolverParameters                node                                   unique   :ref:`XML_LinearSolverParameters`                                                                                                                                                                                                                                                                                                                                                                                                                                    
NonlinearSolverParameters             node                                   unique   :ref:`XML_NonlinearSolverParameters`                                                                                                                                                                                                                                                                                                                                                                                                                                 
WellControls                          node                                            :ref:`XML_WellControls`                                                                                                                                                                                                                                                                                                                                                                                                                                              
===================================== ====================================== ======== ====================================================================================================================================================================================================================================================================================================================================================================================================================================================================