Hello everyone: I have an old question, which has been mentioned many times in the earlier discussion. The problem is about the normal direction of an interior facet: Assume \Omega_1=[0,0]\times [1,1] and \Omega_2=[1,0]\times [2,1], thus x=1 is an interface with facet id=1. Then, if we would like …

Normal direction of interior facets

MiroK March 18, 2019, 7:48pm 2

1 Like

Topic		Replies	Views
Plus and negative side of an internal facet variational formulation	14	258	April 21, 2025
Normal unit vector in variational formulation variational formulation	1	812	July 23, 2020
Manually compute normal vector on inner boundary/subdomain	15	1760	November 30, 2019
Wrong FacetNormal vector on internal boundaries dolfinx	12	440	March 7, 2025
Calculate Normal to Surface with Complex Geometries mesh	2	1181	May 10, 2022