virtual void evaluate(const Pstream::commsTypes commsType=Pstream::commsTypes::blocking)
Evaluate the patch field.
commsTypes
Types of communications.
virtual tmp< Field< Type > > snGrad() const
Return gradient at boundary.
static tmp< T > New(Args &&... args)
Construct tmp with forwarding arguments.
A class for managing temporary objects.
tmp< faMatrix< Type > > operator==(const faMatrix< Type > &, const faMatrix< Type > &)
static constexpr const zero Zero
Global zero (0)