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newhoperoad木蟲 (正式寫手)
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[求助]
Discover 模塊中的 cvff力場可以使用嗎?
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我的MS6.0 版本中 Discover 模塊中的 cvff力場無法使用,剛開始運(yùn)算就出錯(cuò)停止了。這是為什么呢?求高手指導(dǎo)! 在日志文件中,有:Error: tensor element equals to 0 for a divide operation 在.out 輸出文件中有: --------------------------------------------------------------- Checked out license feature: MS_discover_site <v2011.090> [for Unavailable] (4 copies) --------------------------------------------------------------- randomSeed is set to 923229 Line 7:BTCL> autoEcho off INPUT FILES ___________ File Type Name --------- ---- Forcefield D:\PROGRA~2\Accelrys\MATERI~1.0X6\share\Discover\res/cvff.frc Molecular data cvff.mdf Coordinate cvff.car Periodic Boundary Conditions ____________________________ Length (A) Angle (degrees) ---------- --------------- a 182.19040 alpha 90.00000 b 12.90450 beta 90.00000 c 5.22180 gamma 90.00000 MOLECULAR TOPOLOGY __________________ Number of molecules: 1 Number of residues: 1 Number of atoms: 228 (asymmetric unit: 168) Number of atom types: 6 Number of bonds: 180 Number of angles: 288 Number of torsions: 432 Number of out-of-planes: 96 FORCEFIELD OPTIONS __________________ Filename : cvff.frc Definition name : cvff_nocross_nomorse Version : 2.4 Last modification date : 3/1/2 # of automatic parameters : 8 NONBOND ENERGY CUTOFFS ______________________ Cutoff (A) Spline Width (A) Buffer Width (A) vdW 9.50 1.00 0.50 Coulomb -- -- -- NONBOND ENERGY EWALD PARAMETERS _______________________________ Accuracy (kcal/mol) Update Width (A) vdW -- -- Coulomb 0.01000000 1.00 Summation method for vdW : Atom based Summation method for Coulomb : Ewald Dielectric : 1.00 Error: tensor element equals to 0 for a divide operation while executing "vector temp divide $temp $nb_Bij" invoked from within "if {$combination == "sixth_power"} { vector ones fill 1.0 $nType vector ones vectorTranspose $ones vector nb_r vectorTranspose $nb_r ..." (procedure "baseTailCorrection" line 55) invoked from within "baseTailCorrection $vdWTail(cutoff)" invoked from within "if {![info exists vdWTail(energy)]} { set vdWTail(cutoff) $r_cutoff baseTailCorrection $vdWTail(cutoff) } else { if {$r_cutoff != $vdWTa ..." (procedure "fullTailCorrection" line 22) invoked from within "fullTailCorrection $cutoff_onoffsw $printOnly" invoked from within "if {!$printOnly} { fullTailCorrection $cutoff_onoffsw $printOnly puts "NOTE: Pressure and energy tail corrections will be added to all subsequ ..." (procedure "vdWTailCorrection" line 65) invoked from within "vdWTailCorrection 9.50" Total time used by DISCOVER: 0.44 secs Completion date: Tue Mar 04 16:53:49 2014 Exiting Discover: An ERROR has occurred! |

木蟲 (正式寫手)

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