Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: EAM_Dynamo_AcklandTichyVitek_1987_Cu__MO_179025990738_005 Enter hexagonal lattice constants 'a' and 'c' (m): 2.545634463446127e-10, 4.244912334573461e-10 Calculating isothermal bulk modulus Warning: Maximum number of function evaluations has been exceeded. Finished calculation C11 = 291.3800807196696 GPa C12 = 91.91503213126033 GPa B = 158.40338166073008 GPa