There are a number of inline variables defined by default by HPx starting with "_". These inline variables cannot be changed and contains information on the current run.


These global variables are



Information about HPx


_HPVERSION$

Version number of the used HPx



Information about the simulation


_DATE$

The start date of the simulation

_DATABASE$

The full path and file name of the database

_DATABASENAME$

The file name of the database

_PROJECTDIR$

Project Directory

_PROJECTNAME$

Project Name

_TIME$

The start time of the simulation


Information about the transport definitions


_NODES

The number of nodes in the spatial discretization

_MATERIAL

The number of material types

_DIMENSION

The dimensionality of the flow and transport problem (1,2, 3)

_TIMEUNIT

Time unit defined in HYDRUS


Value

Unit

1

second

2

minutes

3

hour

4

days

5

years


_SPACEUNIT

Space unit defined in HYDRUS


Value

Unit

1

millimetre

2

centimetre

3

metre