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chdx0618木虫 (小有名气)
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【求助】CASTEP模块几何优化失败,求解决方案。失败原因详见本帖内容 已有14人参与
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CASTEP模块几何优化失败,求解决方案。失败原因如下: *Warning* max. SCF cycles performed but system has not reached the groundstate. Current total energy, E = -5466.593402796 eV Current free energy (E-TS) = -5466.679640124 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -5466.636521460 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 降低精度后: Error in calculate_finite_basis: previous calculation had total energy = -33482.98282286 eV and this calculation has total energy = -33477.62803476 eV => something has gone seriously wrong with minimiser Checkpoint file cannot be written. Error in calculate_finite_basis: total energies are not variational - aborting Current trace stack: calculate_finite_basis_corr check_elec_ground_state castep [ Last edited by chdx0618 on 2011-3-24 at 09:27 ] |
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chdx0618
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你好!看来就是你说的第三种情分况,后半部分文件如下: +---------------- MEMORY AND SCRATCH DISK ESTIMATES PER NODE -----------------+ | Memory Disk | | Model and support data 404.4 MB 409.0 MB | | Electronic energy minimisation requirements 426.3 MB 185.5 MB | | ----------------------------- | | Approx. total storage required per node 830.7 MB 594.5 MB | | | | Requirements will fluctuate during execution and may exceed these estimates | +-----------------------------------------------------------------------------+ Calculating finite basis set correction with 3 cut-off energies. Calculating total energy with cut-off of 340.000eV. ------------------------------------------------------------------------ <-- SCF SCF loop Energy Fermi Energy gain Timer <-- SCF energy per atom (sec) <-- SCF ------------------------------------------------------------------------ <-- SCF Initial -2.43247486E+004 4.83713644E+001 108.58 <-- SCF 1 -3.25071705E+004 3.23760606E+000 1.36373699E+002 481.31 <-- SCF 2 -3.35041494E+004 3.30066966E+000 1.66163142E+001 837.30 <-- SCF 3 -3.35353740E+004 3.21807494E+000 5.20411473E-001 1129.96 <-- SCF 4 -3.35170771E+004 1.94314821E+000 -3.04949337E-001 1448.58 <-- SCF 5 -3.34999662E+004 2.50333578E+000 -2.85182193E-001 1798.88 <-- SCF 6 -3.34907770E+004 2.51791447E+000 -1.53152541E-001 2164.25 <-- SCF 7 -3.35587570E+004 1.56213346E+000 1.13300021E+000 2481.02 <-- SCF 8 -3.34954701E+004 2.89507610E+000 -1.05478204E+000 2822.10 <-- SCF 9 -3.34838323E+004 2.74292404E+000 -1.93963688E-001 3175.07 <-- SCF 10 -3.34811649E+004 2.49483488E+000 -4.44560478E-002 3499.60 <-- SCF 11 -3.34820324E+004 2.45781979E+000 1.44581381E-002 3815.71 <-- SCF 12 -3.34824619E+004 2.50274836E+000 7.15895446E-003 4134.60 <-- SCF 13 -3.34829532E+004 2.47632455E+000 8.18691249E-003 4452.47 <-- SCF 14 -3.34829828E+004 2.46503714E+000 4.94533643E-004 4771.07 <-- SCF ------------------------------------------------------------------------ <-- SCF 2*Integrated Spin Density = 41.2082 2*Integrated |Spin Density| = 44.8577 Final energy, E = -33482.96060955 eV Final free energy (E-TS) = -33482.98282286 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -33482.97171620 eV Calculating total energy with cut-off of 345.000eV. ------------------------------------------------------------------------ <-- SCF SCF loop Energy Fermi Energy gain Timer <-- SCF energy per atom (sec) <-- SCF ------------------------------------------------------------------------ <-- SCF Initial -3.34773315E+004 2.58332620E+000 4949.79 <-- SCF 1 -3.35621441E+004 2.57283318E+000 1.41354302E+000 5252.58 <-- SCF 2 -3.35622668E+004 2.57253163E+000 2.04620281E-003 5609.02 <-- SCF 3 -3.38328350E+004 1.50218567E+000 4.50947001E+000 5971.61 <-- SCF 4 -3.38361142E+004 1.48411522E+000 5.46522223E-002 6295.31 <-- SCF 5 -3.35750493E+004 2.88090445E+000 -4.35108115E+000 6658.47 <-- SCF 6 -3.35758944E+004 2.87679861E+000 1.40850889E-002 6945.71 <-- SCF 7 -3.35073800E+004 2.74869630E+000 -1.14190711E+000 7301.81 <-- SCF 8 -3.34909281E+004 2.83067048E+000 -2.74198151E-001 7683.81 <-- SCF 9 -3.34832807E+004 2.37640441E+000 -1.27456432E-001 8042.82 <-- SCF 10 -3.34782473E+004 2.38656033E+000 -8.38894192E-002 8371.45 <-- SCF 11 -3.34810172E+004 2.72760682E+000 4.61641968E-002 8696.10 <-- SCF 12 -3.34780946E+004 2.61682826E+000 -4.87104438E-002 9018.32 <-- SCF 13 -3.34775561E+004 2.67276882E+000 -8.97462792E-003 9356.19 <-- SCF 14 -3.34776280E+004 2.68039011E+000 1.19930141E-003 9676.66 <-- SCF ------------------------------------------------------------------------ <-- SCF 2*Integrated Spin Density = 22.2209 2*Integrated |Spin Density| = 27.5608 Final energy, E = -33477.57611971 eV Final free energy (E-TS) = -33477.62803476 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -33477.60207723 eV Error in calculate_finite_basis: previous calculation had total energy = -33482.98282286 eV and this calculation has total energy = -33477.62803476 eV => something has gone seriously wrong with minimiser Checkpoint file cannot be written. Error in calculate_finite_basis: total energies are not variational - aborting Current trace stack: calculate_finite_basis_corr check_elec_ground_state castep 万望不吝赐教! [ Last edited by chdx0618 on 2011-3-25 at 15:00 ] |
21楼2011-03-25 14:59:32
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2楼2011-03-21 16:35:30
chdx0618
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请教另一种失败原因:out of RAM
3楼2011-03-22 13:03:45
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4楼2011-03-22 15:13:02












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