stRgnMask
Assigns properties of a fluid to an area or volume specified by an STRgn.
region (string, required)
Name of the space-time region that will serve as the element of the array.
<STRgn ellipsoid1>
kind = ellipsoid
center = [0.0 0.0 0.0]
semiaxes = [1.0 0.5 0.3]
</STRgn>
<Fluid testFluid>
kind = neutralGas
gasKind = H
<InitialCondition density>
kind = variable
lowerBounds = [-1 -1 -1]
upperBounds = [NX NY NZ]
components = [0]
<STFunc component0>
kind = stRgnMask
region = ellipsoid1
</STFunc>
</InitialCondition>
</Fluid>