hgprieto

Syntax >>>> COLUMN: itime idata (istd_dev) Parent Command all third-level commands in block > OBSERVATION   Subcommand –   Description This command identifies the column holding the time and observed value in the data definition block (see command >>>> DATA). By default, transient observations are expected to be provided in two columns, where the first […]

Syntax >>>> AVERAGE (VOLUME) or >>>> MEAN (VOLUME) Parent Command all third-level commands in block > OBSERVATION Subcommand – Description If multiple elements or connections are provided to indicate the location of a measurement point, iTOUGH2 takes the average of all calculated values as the model output to be compared to the data. The user

Syntax >>>> AUTO Parent Command all third-level commands in block > OBSERVATION   Subcommand –   Description This command provides automatic weighting of observations. The standard deviation calculated by iTOUGH2 is 10 % of the mean of the observed values for a given data set. It is suggested, however, that the assumed measurement error or

Syntax >>>> ARRIVAL (ANALYZE/RAW) (INCREMENT): threshold Parent Command all third-level commands in block > OBSERVATION   Subcommand – Description This command returns the first arrival time of a breakthrough curve, i.e., the time at which the values within a time window for the first time exceed a user-specified threshold value. The threshold parameter is either

Syntax >>>> ABSOLUTE Parent Command all third-level commands in block > OBSERVATION   Subcommand –   Description This command takes the absolute value of the calculated system response as the model output to be compared to the observed data. Example > OBSERVATION >> CAPILLARY PRESSURE >>> ELEMENT: ELM99 >>>> take ABSOLUTE value and compare to

Syntax >>> SOURCE: source_name (source_name_i …) (+ iplus) or >>> SINK: sink_name (sink_name_i …) (+ iplus) Parent Command all second-level commands in block > PARAMETER or > OBSERVATION referring to source names. Subcommand all fourth-level commands in block > PARAMETER or > OBSERVATION, respectively Description This command reads one or more sink/source code names as

Syntax >>> ELEMENT: eleme (eleme_i …) (+ iplus ([islotb-islote])) or >>> ELEMENT COORDINATE: X Y Z or >>> ELEMENT COORDINATE BOX (ROTATE) (OUTSIDE): Xmin Ymin Zmin Xmax Ymax Zmax or >>> ELEMENT COORDINATE ELLIPSOID (ROTATE) (OUTSIDE): Xcenter Ycenter Zcenter Xsemiaxis Ysemiaxis Zsemiaxis or >>> ELEMENT COORDINATE CYLINDER (ROTATE) (OUTSIDE): Xstart Ystart Zstart Xend Yend Zend

Syntax >>> CONNECTION: elem1 elem2 (elem_i elem_j …) (++/+-/-+ iplus ([islotb-islote])) or >>> CONNECTION COORDINATES: X Y Z or >>> CONNECTION COORDINATE BOX (ROTATE) (OUTSIDE): Xmin Ymin Zmin Zmax Ymax Zmax or >>> CONNECTION COORDINATE ELLIPSOID (ROTATE) (OUTSIDE): Xcenter Ycenter Zcenter Zsemiaxis Ysemiaxis Zsemiaxis or >>> CONNECTION COORDINATE CYLINDER (ROTATE) (OUTSIDE): Xstart Ystart Zstart Zend

Syntax CHANGE/DELTA Parent Command Any second-level command in block > OBSERVATION   Subcommand – Description Subtracts the value calculated at the first calibration time from the values calculated at subsequent calibration times, allowing the use of temporal changes rather than absolute values as calibration data. The first calibration point by definition has a residual of

Syntax >> WATERTABLE (CHANGE/DELTA) Parent Command > OBSERVATION   Subcommand >>> ELEMENT   Description This command selects as an observation type the elevation of the watertable in the coordinate system given in Columns 71-80 of the TOUGH2 ELEME block. Multiple elements must be provided (preferably a vertical column, e.g., representing a well), covering the expected