faceContactSphere.C
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23 
24 Description
25  Return location of contact sphere on the face
26 
27 \*---------------------------------------------------------------------------*/
28 
29 #include "face.H"
30 
31 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
32 
34 (
35  const point& p,
36  const vector& n,
37  const pointField& meshPoints
38 ) const
39 {
40  scalar magN = Foam::mag(n);
41 
42  vector n1 = n/(magN + small);
43  vector n2 = area(meshPoints);
44 
45  n2 /= Foam::mag(n2) + small;
46 
47  return 2*((centre(meshPoints) - p) & n2)/((n1 & n2) - 1.0);
48 }
49 
50 
51 // ************************************************************************* //
label n
static vector centre(const PointField &ps)
Return centre point given face points.
scalar contactSphereDiameter(const point &p, const vector &n, const pointField &) const
Return contact sphere diameter.
static vector area(const PointField &ps)
Return vector area given face points.
dimensioned< scalar > mag(const dimensioned< Type > &)
volScalarField & p