#$Id: imd2.dat,v 1.6 JWP Oct 1999 Exp $ TITLE Equilibration simulation of BEE, at constant pressure 21-5-2001 END #MINIMISE # NTEM NCYC DELE DX0 DXM # 1 20 0.0001 0.01 0.05 #END #STOCHASTIC #NTFR #0 = set to zero #1 = set to CFRIC #2 = set to CFRIC*GAM #3 = calculate using SUBR. FRIC # NTFR NSFR NBREF RCUTF CFRIC TEMPSD # 3 300 6 0.3 91.0 300.0 #END SYSTEM # NPM NSM 512 0 END START # values for INIT -- starting procedures in RUNMD.f # INIT # shake X # shake V # centre of mass motion removal if NTCM=1 # 1 yes yes yes # 2 no yes yes # 3 no no yes # 4 no no no # NTX INIT IG TEMPI HEAT NTXO BOLTZ 2 4 210185 0.0 0.00000 1 8.31441E-3 END STEP # NSTLIM T DT 50000 0.0 0.002 END BOUNDARY # NTB BOX(1) BOX(2) BOX(3) BETA NRDBOX 2 0.0 0.0 0.0 90.0 1 END SUBMOLECULES # NSPM NSP(1.. NSPM) 1 8 END TCOUPLE # NTT TEMP0 TAUT 2 298.15 0.100 -2 298.15 0.100 0 298.15 0.100 END PCOUPLE # NTP PRES0 COMP TAUP 1 0.061020 1.400E-03 0.50000 END CENTREOFMASS # NDFMIN NTCM NSCM 0 0 1000 END PRINT #NTPR: print out energies, etc. every NTPR steps #NTPL: print out C.O.M motion and total energy fitting every NTPL steps #NTPP: =1 perform dihedral angle transition monitoring # NTPR NTPL NTPP 1000 1000 0 END WRITE # NTPW = 0 : binary # NTPW = 1 : formatted # NTWSE = configuration selection parameter # =0: write normal trajectory # >0: chose min energy for writing configurations # NTWX NTWSE NTWV NTWE NTWG NTPW 0 0 0 0 0 1 END SHAKE # NTC TOL 3 0.0001 END FORCE # NTF array # bonds angles imp. dihe charge nonbonded # H H H H 0 0 1 1 1 1 1 1 1 1 # NEGR NRE(1) NRE(2) ... NRE(NEGR) 1 4096 END PLIST # NTNB NSNB RCUTP RCUTL 1 5 0.8 1.4 END LONGRANGE # EPSRF APPAK RCRF 5.01 0.0 1.4 END # POSREST # values for NTR # 0: no position re(con)straining # 1: use CHO # 2: use CHO/ ATOMIC B-FACTORS # 3: position constraining # NTR CHO NRDRX 0 2.5E4 1 END # #DISTREST # NTDR # 0 : no distance restraining # -1,1 : use CDIS # -2,2: use W0*CDIS # NTDR < 0 : time averaging # NTDR > 0 : no time averaging # NRDDR = 1: read in time averaged distances (for continuation run) # NRDDR = 0: don't read them in, recalc from scratch # NTDR CDIS DR0 TAUDR NRDDR # 0 1000.0 1.00000 10.0 0 #END #DIHEREST # values for NTDLR # 0: no dihedral angle restraining # 1: use CDLR # 2: use CDLR * CPLR # NTDLR CDLR # 0 0.1 #END #J-VAL # values for NTJR # 0: no J-value restraining # -1,1: use CJR*(a*cos^^2 + b*cos + c) # -2,2: use CJR*CPJR*(a*cos^^2 + b*cos + c) # NTJR < 0: time averaging # NTJR > 0: no time averaging #--- # values for NTJRH # 0: use half harmonic potential # 1: use harmonic potential # values for NRDJR # 0: start from initial values # 1: read in time averages (for continuation run) # NTJR NTJRH CJR TAUJR NRDJR # 0 1 10.0 10.0 0 #END #--------- #LOCALELEVATION # NTLE # 0: off # 1: gaussian potential energy function # 2: inverse quadratic energy fuction #-- # NRDLE # 0: don't read in memory # 1: read in memory (for continuation run) # NTLE CWLE NRDLE # 0 2.5 0 #END #--------- #FOURDIM # NT4DIM meaning # 0 perform 3D simulation # >0 perform 4D simulation # 1 use CW4DA # 2 use CW4DA*C4D #--- # NT4XI determines initial coordinates and # velocities in the 4'th dimension # init coords init velocities # 1 0 max dist # 2 boltz set to 0 # 3 read coords max dist # 4 read coords and velocities from unit 'XVI' (for continuation run) #--- # NT4XO : 1 write out 4'th dimensional data to trajectory # : 0 write out only 3 dimensions to trajectory #--- # NT4DIM CW4DA TEMP4I NDFMI4 NT4XI NT4XO # 0 5000.0 30.0 0 1 0 #------ # temperature coupling in the 4'th dimension # NTT4 TEMP04 TAUT4 # 1 30.0 0.10000 # NTCW4D 0: constant reference temperature and using CW4DA as force constant # 1: reference temperature is linearly changed from TEMP04 to TEMP0B, # force constant is changed from CW4DA to CW4DB over NSTLIM steps. # NTCW4D CW4DB TEMP0B # 0 10.0 300.0 # NTF4: 4D force terms: 0 = perform in 3D, 1 = perform in 4D # bond/shake # bond angle # dihedral # non-bonded # dist rest # 4d harm osc # 0 0 0 1 0 1 #END #PERTURB # NTG: 0 no perturbation is applied # : 1 calculate dV/dRLAM perturbation # : 2 calculate dV/dRMU perturbation # : 3 calculate both derivatives # NTG NRDGL RLAM DLAMT RMU DMUT # 1 0 0.5 0.00000 0.00000 0.00 # ALPHLJ ALPHC NLAM MMU # 2.0 0.0005 1 1 #END #------- #PATHINT # restrictions for PI # topology must contain bead information # pathint in 4D is disabled # pathint and perturbation not allowed # a warning is written out if the temperature at discretization # is not the same as the MD run is performed at. # # values or NTPI # 0: no path integral calculation # 1: path integral calculation #--- # NTPI # 0 #END