[titianyang]

I am a new guy who just begin to use openfoam. I want to compute a supersonic external flow field. But the system show some message like this:

/------------------------------------------------------------------------
Create time

Create mesh for time = 0

Reading thermophysical properties

Selecting thermodynamics package ePsiThermo<pureMixture<constTransport<specieThermo <eConstThermo<perfectGas>>>>>

--> FOAM FATAL IO ERROR:
Unknown patchField type patch for patch type patch
......
----------------------------------------------------------------------/

and this:

/-----------------------------------------------------------------------------------------------
......
file: /opt/openfoam171/CFD_Work/supersonic/0/p::boundaryField:: pressure_far_field.1 from line 37 to line 38.

From function fvPatchField<Type>::New(const fvPatch&, const DimensionedField<Type, volMesh>&, const dictionary&)
in file /opt/openfoam171/src/finiteVolume/lnInclude/newFvPatchField.C at line 110.

FOAM exiting

-------------------------------------------------------------------------------------------/

This is my p boundary condition define file:

/--------------------------------------------------------------------------------------------
......
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions [1 -1 -2 0 0 0 0];

internalField uniform 100000;

boundaryField
{
symmetry.3
{
type symmetryPlane;
value uniform 100000;
}

wall.2
{
type zeroGradient;
value uniform 100000;
}

pressure_far_field.1
{
type patch;
value uniform 100000;
}
}
----------------------------------------------------------------------------/

I must made some mistake. Thanks to the person who can help me first.
PS: I am a chinese and my english is poor.