This option means that a one field can be mapped to another within the
same patch without specifying the patch name. E.g.:
walls
{
type mappedValue;
//neighbourPatch walls; // <-- Previously required. Still supported.
samePatch yes; // <-- New alternative specification
field T.liquid;
value $internalField;
}
This is useful when the boundary condition is specified using a regular
expression for the patch name.
"wall_.*"
{
type mappedValue;
//neighbourPatch ???; // <-- No unique name can be given
samePatch yes; // <-- Still works
field T.liquid;
value $internalField;
}
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