list of faces of a patch
 

Dear Foamers!,


I have some search to in oder to get a list of the boundary faces in openfoam but i still do not know how can i do that.



In a nutshell, i managed to create isoContour of a field and I want to calculated the distance between the nearest point of the contour to each face centre on the boundaries.


so i want to loop each face on the boundaries, access its centre and then find the minimum distance to the contour. my problem is only the first step how can i get the face ID ?




any suggestion ?

the face id in boundary patch only store a start id and total number of faces. so you can try following code to list the id of boundary patch of for example "inlet",

polyPatch patch = mesh.boundaryMesh()[“inlet”];
forAll( patch, pi)
{
Info<<patch.start()+pi<<endl;
}

what is more,
polyPatch::faceCentres() function can return the face center of a patch directly.