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stractor金蟲 (著名寫手)
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[交流]
【求助】如何看力
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在VASP中,優(yōu)化一般以力為收斂標(biāo)準(zhǔn),怎么看力呢? 我在OUTCAR中發(fā)現(xiàn)了很多關(guān)于力的,比如 FORCE on cell =-STRESS in cart. coord. units (eV/reduce length): Direction X Y Z XY YZ ZX -------------------------------------------------------------------------------------- Alpha Z 228.09 228.09 228.09 。。。。。。 Total -3.54 -4.54 13.70 -4.58 -0.30 0.42 in kB -5.41 -6.94 20.92 -6.99 -0.46 0.64 external pressure = 2.86 kB Pullay stress = 0.00 kB 。。。。。。 FORCES acting on ions electron-ion (+dipol) ewald-force non-local-force convergence-correction ----------------------------------------------------------------------------------------------- -.397E+00 0.126E-01 -.195E+00 0.345E+00 0.378E-02 0.191E+00 0.492E-01 0.508E-02 0.287E-02 0.149E-02 0.121E-02 -.427E-03 -.279E+00 0.448E+00 0.232E+00 0.268E+00 -.385E+00 -.192E+00 0.151E-01 -.731E-01 -.463E-01 0.142E-02 -.120E-02 -.535E-03 。。。。。。 0.720E+00 0.667E+00 0.351E+01 -.124E+00 -.874E+00 0.151E+02 0.326E-01 0.278E-01 -.409E-01 0.250E-03 0.143E-03 -.281E-03 ----------------------------------------------------------------------------------------------- 0.963E+00 -.298E+00 0.194E+02 0.185E-12 -.108E-13 -.799E-13 -.970E+00 0.301E+00 -.194E+02 0.211E-02 0.110E-02 -.395E-02 POSITION TOTAL-FORCE (eV/Angst) ----------------------------------------------------------------------------------- 10.06599 10.06719 0.01673 -0.001720 0.022612 -0.001236 10.06703 5.03749 10.34262 0.005402 -0.011136 -0.007025 。。。。。。 |
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不會(huì)吧,我的所有OUTCAR里都有這一項(xiàng)啊 3.51061 2.02685 5.67094 0.000000 0.000000 0.018799 5.85101 2.02685 0.00000 0.000000 0.000000 0.715101 4.68081 4.05370 1.65492 0.000000 0.000000 -0.774121 3.51061 2.02685 3.30983 0.000000 0.000000 -0.118627 5.85101 2.02685 4.90216 0.000000 0.000000 0.016457 ----------------------------------------------------------------------------------- total drift: 0.000000 -0.000001 0.012219 -------------------------------------------------------------------------------------------------------- FORCES: max atom, RMS 0.026838 0.012964 FORCE total and by dimension 0.073335 0.026838 OPT: skip step - force has converged |
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