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[求助]
對正交晶格摻雜后計算不收斂
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工作站CPU36核(計算的時候100%利用),內存70G(全是C盤,計算的時候70%利用),本征晶格是α-CoSn3(8個Co,16個Sn),沒有擴胞,直接make p1后用Cu取代Co,相同位置的Co都被取代了,然后計算energy報錯如下,嘗試修改smearing到0.5后計算energy成功,默認值是0.1,因為不知道smearing的設置原則是什么,本著靠近默認值的想法,依次修改成0.3、0.2計算energy都成功了,然后繼續(xù)用0.2去優(yōu)化晶胞,算了12個小時還沒算完(現(xiàn)在還在算),我想問問smearing這樣修改成0.2做計算這樣有問題沒有,會不會造成大的誤差,接下來我還要算elastic constants,是否可行。請各位懂的老師幫幫我,非常感謝! ============================================================================================= *Warning* max. SCF cycles performed but system has not reached the groundstate. Current total energy, E = -11071.87085477 eV Current free energy (E-TS) = -11071.99402823 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -11071.93244150 eV ******************************************************** Warning: electronic minimisation did not converge during finite basis set correction. ******************************************************** Checkpoint file cannot be written. Error calculate_finite_basis : Convergence failed when doing finite basis set correction. Current trace stack: calculate_finite_basis_corr check_elec_ground_state castep application called MPI_Abort(MPI_COMM_WORLD, 1) - process 31 application called MPI_Abort(MPI_COMM_WORLD, 1) - process 28 application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0 ============================================================================================= |
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