Accurate Sharp Interface Scheme for Multimaterials

Yannick Gorsse (1, 2) , Angelo Iollo (1, 2) , Thomas Milcent (3) , Haysam Telib (4)

1 IMB - Institut de Mathématiques de Bordeaux
2 MC2 - Modélisation, contrôle et calcul
3 I2M - Institut de Mécanique et d'Ingénierie de Bordeaux
4 Polito - Politecnico di Torino = Polytechnic of Turin

We present a method to capture the evolution of a contact discontinuity separating two different material. A locally non-conservative scheme allows an accurate and stable simulation while the interface is kept sharp. Numerical illustrations include problems involving fluid and elastic problems.

Mots clés: Multimaterial scheme; Second Order; Sharp interface

Domaines: Analyse numérique [math.NA]; Mécanique des fluides [physics.class-ph]

Yannick Gorsse, Angelo Iollo, Thomas Milcent, Haysam Telib. Accurate Sharp Interface Scheme for Multimaterials. Seventh International Conference on Computational Fluid Dynamics (7;2012; Hawai), Jul 2012, Big Island, United States. 11 p. ⟨hal-01089280⟩