W fcc Sim_LAMMPS_MEAM_Lenosky_2017_W__SM_631352869360_000 4.102457344532013 Optimization terminated successfully. Current function value: -33.978541 Iterations: 89 Function evaluations: 241 C11 = 614.653023 +/- 0.007336 GPa C12 = 371.347943 +/- 0.005187 GPa C44 = 177.897167 +/- 0.001834 GPa B = 452.449636 +/- 0.004235 GPa