fix_modify AtC initial

syntax

fix_modify AtC initial <field> <nodeset> <constant | function>

<field> = field name valid for type of physics, temperature | electron_temperature
<nodeset> = name of set of nodes to apply initial condition
<constant | function> = value or name of function followed by its parameters

fix_modify atc initial temperature groupNAME 10.

Sets the initial values for the specified field at the specified nodes.

keyword 'all' reserved in nodeset name

none