internalField   uniform 0;

Parameter internalField defines values in cell volumes of the mesh The internalField is used as an initial condition at a beginning of a simulation The values can be constant all over the domain using: uniform with corresponding value Or the values can be non-constant using: nonuniform (different value in each cell) with a list of values (according to cell IDs)

internalField   nonuniform List<scalar> 
400
(
-6.07381e-09
-0.0057336
-0.0127414
-0.018072
-0.0200044
-0.0177763