Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Sim_LAMMPS_BOP_ZhouWardFoster_2016_AlCu__SM_566399258279_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.748335762365074e-10, 5.100946782043453e-10 Calculating isothermal bulk modulus Warning: Maximum number of function evaluations has been exceeded. Finished calculation C11 = 200.20147793198984 GPa C12 = 61.21310527678667 GPa B = 107.54256282852106 GPa