--------------------------------------------------------------------------------
                           iTOUGH2 SAMPLE PROBLEM
--------------------------------------------------------------------------------
Problem             : 1
Part                : 4
Direct problem      : sam1
Inverse problem     : sam1p4i
Other input files   : sam1p2i.col
EOS module          : 3
Description         : Estimate permeability, porosity, and initial gas saturation
                      based on synthetic pressure and flow rate data.
Execution           : itough2 sam1p4i sam1 3 &
Special instructions: Save file sam1p4i.par for further use.
--------------------------------------------------------------------------------

> PARAMETER

  >> ABSOLUTE permeability
     >>> MATERIAL              : SAND_ BOUND
         >>>> ANNOTATION       : log(abs. perm.)
         >>>> LOGARITHM
         >>>> initial GUESS    : -12.0
         >>>> VARIATION        : 0.3
         <<<<
      <<<

  >> POROSITY
     >>> MATERIAL              : SAND_
         >>>> VALUE
         >>>> initial GUESS    : 0.25
         >>>> VARIATION        : 0.10
         <<<<
     <<<

  >> INITIAL condition for primary variable No.:2
     >>> DEFAULT
         >>>> ANNOTATION       : Gas entrapped
         >>>> VALUE
         >>>> initial GUESS    : 10.25
         >>>> admissible RANGE : 10.01 10.99
         >>>> VARIATION        : 0.10
         <<<<
     <<<
  <<

> OBSERVATION

  >> select : 60 points in TIME, EQUALLY spaced between
     10.000001 600.0 seconds

  >> PRESSURE
     >>> ELEMENT                  : A1125
         >>>> ANNOTATION          : Pressure 1/2
         >>>> HEADER contains     : 2 lines
         >>>> COLUMNS             : 1 2          (time vs. pressure)
         >>>> Read DATA from FILE : sam1p2i.col  (time is in MINUTES)
         >>>> standard DEVIATION  : 200.0 Pa     (measurement error)
         <<<<
     <<<

  >> LIQUID FLOW RATE
     >>> CONNECTION defining inlet: IN__0  A11_1
         >>>> ANNOTATION          : Flow inlet
         >>>> FACTOR              :-1.666667E-05 (ml/min - kg/sec)
         >>>> HEADER contains     : 2 lines
         >>>> COLUMNS             : 1 3          (time vs. flow rate)
         >>>> Read DATA from FILE : sam1p2i.col  (time is in MINUTES)
         >>>> standard DEVIATION  : 5.0 ml/min   (measurement error)
         <<<<
     <<<
  <<


> COMPUTATION
  >> STOP
     >>> after : 5  ITERATIONS
     >>> ignore WARNINGS
     <<<
  >> ERROR
     >>> use A PRIORI error variance for error analysis
     <<<
/*
  >> OPTION
     ... solve FORWARD problem only
     >>> perform SENSITIVITY analysis
     <<<

  >> OUTPUT
     >>> PLOTFILE contains : COLUMNS
     <<<
*/
  <<
<