Enhancing LAMMPS Capabilities

Lattice Beam ModelDynamic fracture roughness in a concrete microstructureLIGGGHTS will incorporate a beam latticemodel (e.g. *,**) used to study fracture andfragmentation ti phenomena.* G. Lilliu, J.G.M. van Mier, 3D lattice type fracture modelfor concrete, Engrg. Fract. Mech. 70 (2003) 927–941.**J.G.M. van Mier, E. Schlangen, A. Vervuurt, Lattice typefracture models for concrete, in: H.B. Mühlhaus (Ed.),Continuum Models for Materials with Microstructure,John Wiley & Sons, 1995, pp. 341–377.Jean-Francois JerierEPF LausanneComputational SolidMechanicsNumerical concrete samplebased on a X-ray microtomographyimage (25mm 3 )The crack paths (red)crossing the sampleTimoshenko beam theory leads to theinteraction between the spheres500.000000 polydisperse spheres and 4 million beams represent this sampleEach simulation calculated on 60 processors in 3 daysChristian Doppler Laboratory on Particulate Flow Modellingwww.particulate-flow.at