Interface Elements

Interface elements (IE) in ATLAS are modeled through a formulation based on Lagrange Multipliers [Franceschini et al.,2020].

In ATLAS the following IE are available :

• [IE_TYPE = 1] IEtri6 : 6-noded triangular element;

• [IE_TYPE = 2] IEqua8 : 8-noded quadrilateral element;