Multibody Contact Dynamics with Corotational Finite Elements and Rough Background Mesh
T. Koziara, L.  Kaczmarczyk and N. Bićanić

Coupled Multibody-Particle Simulations - An Integral Approach
F. Fleissner and P. Eberhard

Cosimulation of MBD (Multi Body Dynamics) and DEM of Many Spheres using GPU Technology
J.S. Yoon, J.S. Park, C.O. Ahn and J.H. Choi

Granular Contact Dynamics using Mathematical Programming Methods
K. Krabbenhoft, X. Zhang, A.V. Lyamin and D. Sheng