Dear all,
I need the outward normal vector on a face (side) of the element to apply
the boundary condition.
Is fe_face->get_normals() (always) outward or inward?
The code is like:
///
dim = 3;
AutoPtr<QBase> qrule_face =
QBase::build (GAUSS, dim -1, 2)
AutoPtr<FEBase> fe_face(FEBase::build(dim, fe_type));
fe_face->attach_quadrature_rule(qrule_face.get());
const std::vector<libMesh::Point>& normal_face = fe_face->get_normals();
///
Thanks,
Walter
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