W fcc Sim_LAMMPS_MEAM_ParkFellingerLenosky_2012_W__SM_163270462402_000 2.5763277113437653 Optimization terminated successfully. Current function value: 133.768668 Iterations: 76 Function evaluations: 202 C11 = 65628.364233 +/- 0.007336 GPa C12 = 61266.432755 +/- 0.005187 GPa C44 = -6882.334180 +/- 0.001834 GPa B = 62720.409914 +/- 0.004235 GPa