Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Sim_LAMMPS_MEAM_EtesamiAsadi_2018_Cu__SM_316120381362_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.555577396945796e-10, 4.199006120093209e-10 Calculating isothermal bulk modulus Warning: Maximum number of function evaluations has been exceeded. Finished calculation C11 = 238.25475945162148 GPa C12 = 95.38742826189376 GPa B = 143.00987199180298 GPa