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# INITIAL_CONDITION¶

This card links a particular FLOW_CONDITION and TRANSPORT_CONDITION to the appropriate REGION to define an initial condition. It is set up similar to the BOUNDARY_CONDITION card, by first creating a list of flow and/or transport conditions, and then appling them to appropriate REGIONs using this card.

## Required Cards:¶

INITIAL_CONDITION <name>
Opens the INITIAL_CONDITION block, where <string> is the name of the initial condition (name is optional).
FLOW_CONDITION <name>
If a FLOW_CONDITION has been defined, specify it here by the given name of the flow condition.
TRANSPORT_CONDITION <name>
If a TRANSPORT_CONDITION has been defined, specify it here by the given name of the transport condition.
REGION <name>
Specifies the name of the REGION that the set of flow and/or transport conditions will be applied to.

## Examples¶

INITIAL_CONDITION
FLOW_CONDITION Piezometric_Surface
TRANSPORT_CONDITION U_source
REGION all
/

INITIAL_CONDITION
FLOW_CONDITION initial
REGION left_region
/

INITIAL_CONDITION soilA_layer_initial
TRANSPORT_CONDITION initial
REGION soilA_layer
/