X-Git-Url: http://mmka.chem.univ.gda.pl/gitweb/?a=blobdiff_plain;f=source%2Fcluster%2Fwham%2Fsrc-M%2Fenergy_p_new.F;h=206d3275bea6f5014eac16ec2443445a68c383f0;hb=6827957dc91ddbda470e12f635a6f03d2001dd0e;hp=18a075cecd1c988d6be4f6c036b14b4e5f2b3ec0;hpb=7627e670f430307e9be577f4dcc9c9c8b37244cd;p=unres.git diff --git a/source/cluster/wham/src-M/energy_p_new.F b/source/cluster/wham/src-M/energy_p_new.F index 18a075c..206d327 100644 --- a/source/cluster/wham/src-M/energy_p_new.F +++ b/source/cluster/wham/src-M/energy_p_new.F @@ -101,6 +101,18 @@ C call Eliptransfer(eliptran) endif + if (TUBElog.eq.1) then + print *,"just before call" + call calctube(Etube) + print *,"just after call",etube + elseif (TUBElog.eq.2) then + call calctube2(Etube) + elseif (TUBElog.eq.3) then + call calcnano(Etube) + else + Etube=0.0d0 + endif + write(iout,*), "Etube",etube C C 12/1/95 Multi-body terms C @@ -112,6 +124,11 @@ c print *,"calling multibody_eello" call multibody_eello(ecorr,ecorr5,ecorr6,eturn6,n_corr,n_corr1) c write (*,*) 'n_corr=',n_corr,' n_corr1=',n_corr1 c print *,ecorr,ecorr5,ecorr6,eturn6 + else + ecorr=0.0d0 + ecorr5=0.0d0 + ecorr6=0.0d0 + eturn6=0.0d0 endif if (wcorr4.eq.0.0d0 .and. wcorr.gt.0.0d0) then call multibody_hb(ecorr,ecorr5,ecorr6,n_corr,n_corr1) @@ -128,7 +145,7 @@ c print *,ecorr,ecorr5,ecorr6,eturn6 & +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6 & +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d & +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr - & +wliptran*eliptran + & +wliptran*eliptran+wtube*Etube else etot=wsc*(evdw+fact(6)*evdw_t)+wscp*evdw2+welec*fact(1)*ees & +wvdwpp*evdw1 @@ -138,7 +155,7 @@ c print *,ecorr,ecorr5,ecorr6,eturn6 & +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6 & +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d & +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr - & +wliptran*eliptran + & +wliptran*eliptran+wtube*Etube endif #else if (shield_mode.gt.0) then @@ -150,7 +167,7 @@ c print *,ecorr,ecorr5,ecorr6,eturn6 & +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6 & +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d & +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr - & +wliptran*eliptran + & +wliptran*eliptran+wtube*Etube else etot=wsc*(evdw+fact(6)*evdw_t)+wscp*evdw2 & +welec*fact(1)*(ees+evdw1) @@ -160,7 +177,7 @@ c print *,ecorr,ecorr5,ecorr6,eturn6 & +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6 & +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d & +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr - & +wliptran*eliptran + & +wliptran*eliptran+wtube*Etube endif #endif @@ -198,6 +215,7 @@ c print *,ecorr,ecorr5,ecorr6,eturn6 energia(21)=evdw_t energia(24)=ethetacnstr energia(22)=eliptran + energia(25)=Etube c detecting NaNQ #ifdef ISNAN #ifdef AIX @@ -238,11 +256,15 @@ C & wturn6*fact(5)*gcorr6_turn(j,i)+ & wsccor*fact(2)*gsccorc(j,i) & +wliptran*gliptranc(j,i) + & +wtube*gg_tube(j,i) + gradx(j,i,icg)=wsc*gvdwx(j,i)+wscp*gradx_scp(j,i)+ & wbond*gradbx(j,i)+ & wstrain*ghpbx(j,i)+wcorr*gradxorr(j,i)+ & wsccor*fact(2)*gsccorx(j,i) & +wliptran*gliptranx(j,i) + & +wtube*gg_tube_SC(j,i) + else gradc(j,i,icg)=fact(1)*wsc*gvdwc(j,i) & +fact(1)*wscp*gvdwc_scp(j,i)+ @@ -268,6 +290,7 @@ C & +wturn4*gshieldc_loc_t4(j,i) & +wel_loc*gshieldc_ll(j,i) & +wel_loc*gshieldc_loc_ll(j,i) + & +wtube*gg_tube(j,i) gradx(j,i,icg)=fact(1)*wsc*gvdwx(j,i) & +fact(1)*wscp*gradx_scp(j,i)+ @@ -280,6 +303,7 @@ C & +wturn3*gshieldx_t3(j,i) & +wturn4*gshieldx_t4(j,i) & +wel_loc*gshieldx_ll(j,i) + & +wtube*gg_tube_SC(j,i) endif @@ -300,11 +324,14 @@ C & wturn6*fact(5)*gcorr6_turn(j,i)+ & wsccor*fact(2)*gsccorc(j,i) & +wliptran*gliptranc(j,i) + & +wtube*gg_tube(j,i) + gradx(j,i,icg)=wsc*gvdwx(j,i)+wscp*gradx_scp(j,i)+ & wbond*gradbx(j,i)+ & wstrain*ghpbx(j,i)+wcorr*gradxorr(j,i)+ & wsccor*fact(1)*gsccorx(j,i) & +wliptran*gliptranx(j,i) + & +wtube*gg_tube_SC(j,i) else gradc(j,i,icg)=fact(1)*wsc*gvdwc(j,i)+ & fact(1)*wscp*gvdwc_scp(j,i)+ @@ -319,12 +346,15 @@ C & wturn6*fact(5)*gcorr6_turn(j,i)+ & wsccor*fact(2)*gsccorc(j,i) & +wliptran*gliptranc(j,i) + & +wtube*gg_tube(j,i) + gradx(j,i,icg)=fact(1)*wsc*gvdwx(j,i)+ & fact(1)*wscp*gradx_scp(j,i)+ & wbond*gradbx(j,i)+ & wstrain*ghpbx(j,i)+wcorr*gradxorr(j,i)+ & wsccor*fact(1)*gsccorx(j,i) & +wliptran*gliptranx(j,i) + & +wtube*gg_tube_SC(j,i) endif enddo #endif @@ -382,6 +412,7 @@ C------------------------------------------------------------------------ edihcnstr=energia(20) estr=energia(18) ethetacnstr=energia(24) + etube=energia(25) #ifdef SPLITELE write (iout,10) evdw,wsc,evdw2,wscp,ees,welec*fact(1),evdw1, & wvdwpp, @@ -390,7 +421,8 @@ C------------------------------------------------------------------------ & ecorr,wcorr*fact(3),ecorr5,wcorr5*fact(4),ecorr6,wcorr6*fact(5), & eel_loc,wel_loc*fact(2),eello_turn3,wturn3*fact(2), & eello_turn4,wturn4*fact(3),eello_turn6,wturn6*fact(5), - & esccor,wsccor*fact(1),edihcnstr,ethetacnstr,ebr*nss,etot + & esccor,wsccor*fact(1),edihcnstr,ethetacnstr,ebr*nss,etube,wtube, + & etot 10 format (/'Virtual-chain energies:'// & 'EVDW= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-SC)'/ & 'EVDW2= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-p)'/ @@ -414,6 +446,7 @@ C------------------------------------------------------------------------ & 'EDIHC= ',1pE16.6,' (dihedral angle constraints)'/ & 'ETHETC= ',1pE16.6,' (valence angle constraints)'/ & 'ESS= ',1pE16.6,' (disulfide-bridge intrinsic energy)'/ + & 'ETUBE=',1pE16.6,' WEIGHT=',1pD16.6,' (energy with nano)'/ & 'ETOT= ',1pE16.6,' (total)') #else write (iout,10) evdw,wsc,evdw2,wscp,ees,welec*fact(1),estr,wbond, @@ -422,7 +455,7 @@ C------------------------------------------------------------------------ & ecorr6,wcorr6*fact(5),eel_loc,wel_loc*fact(2), & eello_turn3,wturn3*fact(2),eello_turn4,wturn4*fact(3), & eello_turn6,wturn6*fact(5),esccor*fact(1),wsccor, - & edihcnstr,ethetacnstr,ebr*nss,etot + & edihcnstr,ethetacnstr,ebr*nss,etube,wtube,etot 10 format (/'Virtual-chain energies:'// & 'EVDW= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-SC)'/ & 'EVDW2= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-p)'/ @@ -445,6 +478,7 @@ C------------------------------------------------------------------------ & 'EDIHC= ',1pE16.6,' (dihedral angle constraints)'/ & 'ETHETC= ',1pE16.6,' (valence angle constraints)'/ & 'ESS= ',1pE16.6,' (disulfide-bridge intrinsic energy)'/ + & 'ETUBE=',1pE16.6,' WEIGHT=',1pD16.6,' (energy with nano)'/ & 'ETOT= ',1pE16.6,' (total)') #endif return @@ -2203,10 +2237,35 @@ C endif if (ymedi.lt.0) ymedi=ymedi+boxysize zmedi=mod(zmedi,boxzsize) if (zmedi.lt.0) zmedi=zmedi+boxzsize + zmedi2=mod(zmedi,boxzsize) + if (zmedi2.lt.0) zmedi2=zmedi2+boxzsize + if ((zmedi2.gt.bordlipbot) + &.and.(zmedi2.lt.bordliptop)) then +C the energy transfer exist + if (zmedi2.lt.buflipbot) then +C what fraction I am in + fracinbuf=1.0d0- + & ((zmedi2-bordlipbot)/lipbufthick) +C lipbufthick is thickenes of lipid buffore + sslipi=sscalelip(fracinbuf) + ssgradlipi=-sscagradlip(fracinbuf)/lipbufthick + elseif (zmedi2.gt.bufliptop) then + fracinbuf=1.0d0-((bordliptop-zmedi2)/lipbufthick) + sslipi=sscalelip(fracinbuf) + ssgradlipi=sscagradlip(fracinbuf)/lipbufthick + else + sslipi=1.0d0 + ssgradlipi=0.0d0 + endif + else + sslipi=0.0d0 + ssgradlipi=0.0d0 + endif + num_conti=0 c write (iout,*) 'i',i,' ielstart',ielstart(i),' ielend',ielend(i) do j=ielstart(i),ielend(i) - if (j.le.1) cycle +C if (j.le.1) cycle C if (itype(j).eq.ntyp1 .or. itype(j+1).eq.ntyp1 C & .or.itype(j+2).eq.ntyp1 C &) cycle @@ -2246,6 +2305,29 @@ C End diagnostics if (yj.lt.0) yj=yj+boxysize zj=mod(zj,boxzsize) if (zj.lt.0) zj=zj+boxzsize + if ((zj.gt.bordlipbot) + &.and.(zj.lt.bordliptop)) then +C the energy transfer exist + if (zj.lt.buflipbot) then +C what fraction I am in + fracinbuf=1.0d0- + & ((zj-bordlipbot)/lipbufthick) +C lipbufthick is thickenes of lipid buffore + sslipj=sscalelip(fracinbuf) + ssgradlipj=-sscagradlip(fracinbuf)/lipbufthick + elseif (zj.gt.bufliptop) then + fracinbuf=1.0d0-((bordliptop-zj)/lipbufthick) + sslipj=sscalelip(fracinbuf) + ssgradlipj=sscagradlip(fracinbuf)/lipbufthick + else + sslipj=1.0d0 + ssgradlipj=0.0 + endif + else + sslipj=0.0d0 + ssgradlipj=0.0 + endif + dist_init=(xj-xmedi)**2+(yj-ymedi)**2+(zj-zmedi)**2 xj_safe=xj yj_safe=yj @@ -2315,15 +2397,18 @@ C#undef DEBUG el1=el1*fac_shield(i)**2*fac_shield(j)**2 el2=el2*fac_shield(i)**2*fac_shield(j)**2 eesij=(el1+el2) +C &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) ees=ees+eesij else fac_shield(i)=1.0 fac_shield(j)=1.0 eesij=(el1+el2) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) ees=ees+eesij endif C ees=ees+eesij evdw1=evdw1+evdwij*sss + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) cd write(iout,'(2(2i3,2x),7(1pd12.4)/2(3(1pd12.4),5x)/)') cd & iteli,i,itelj,j,aaa,bbb,ael6i,ael3i, cd & 1.0D0/dsqrt(rrmij),evdwij,eesij, @@ -2754,6 +2839,8 @@ C fac_shield(j)=0.6 endif eel_loc_ij=eel_loc_ij & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0) + eel_loc=eel_loc+eel_loc_ij C Partial derivatives in virtual-bond dihedral angles gamma if (calc_grad) then @@ -2818,9 +2905,10 @@ cd write(iout,*) 'aggj1',aggj1 C Derivatives of eello in DC(i+1) thru DC(j-1) or DC(nres-2) do l=1,3 - ggg(l)=agg(l,1)*muij(1)+ - & agg(l,2)*muij(2)+agg(l,3)*muij(3)+agg(l,4)*muij(4) + ggg(l)=(agg(l,1)*muij(1)+ + & agg(l,2)*muij(2)+agg(l,3)*muij(3)+agg(l,4)*muij(4)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0) enddo do k=i+2,j2 @@ -2833,18 +2921,22 @@ C Remaining derivatives of eello gel_loc(l,i)=gel_loc(l,i)+aggi(l,1)*muij(1)+ & aggi(l,2)*muij(2)+aggi(l,3)*muij(3)+aggi(l,4)*muij(4) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0) gel_loc(l,i+1)=gel_loc(l,i+1)+aggi1(l,1)*muij(1)+ & aggi1(l,2)*muij(2)+aggi1(l,3)*muij(3)+aggi1(l,4)*muij(4) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0) gel_loc(l,j)=gel_loc(l,j)+aggj(l,1)*muij(1)+ & aggj(l,2)*muij(2)+aggj(l,3)*muij(3)+aggj(l,4)*muij(4) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0) gel_loc(l,j1)=gel_loc(l,j1)+aggj1(l,1)*muij(1)+ & aggj1(l,2)*muij(2)+aggj1(l,3)*muij(3)+aggj1(l,4)*muij(4) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0) enddo endif @@ -3144,8 +3236,11 @@ C fac_shield(j)=0.6 endif eello_turn3=eello_turn3+0.5d0*(pizda(1,1)+pizda(2,2)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) + eello_t3=0.5d0*(pizda(1,1)+pizda(2,2)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) cd write (2,*) 'i,',i,' j',j,'eello_turn3', cd & 0.5d0*(pizda(1,1)+pizda(2,2)), @@ -3219,6 +3314,7 @@ C Cartesian derivatives gcorr3_turn(l,i)=gcorr3_turn(l,i) & +0.5d0*(pizda(1,1)+pizda(2,2)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) a_temp(1,1)=aggi1(l,1) a_temp(1,2)=aggi1(l,2) @@ -3228,6 +3324,7 @@ C Cartesian derivatives gcorr3_turn(l,i+1)=gcorr3_turn(l,i+1) & +0.5d0*(pizda(1,1)+pizda(2,2)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) a_temp(1,1)=aggj(l,1) a_temp(1,2)=aggj(l,2) @@ -3237,6 +3334,7 @@ C Cartesian derivatives gcorr3_turn(l,j)=gcorr3_turn(l,j) & +0.5d0*(pizda(1,1)+pizda(2,2)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) a_temp(1,1)=aggj1(l,1) a_temp(1,2)=aggj1(l,2) @@ -3246,6 +3344,7 @@ C Cartesian derivatives gcorr3_turn(l,j1)=gcorr3_turn(l,j1) & +0.5d0*(pizda(1,1)+pizda(2,2)) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) enddo endif @@ -3299,8 +3398,11 @@ C fac_shield(j)=0.6 endif eello_turn4=eello_turn4-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) + eello_t4=-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) cd write (2,*) 'i,',i,' j',j,'eello_turn4',-(s1+s2+s3), cd & ' eello_turn4_num',8*eello_turn4_num @@ -3356,6 +3458,7 @@ C & *2.0 s3=0.5d0*(pizda(1,1)+pizda(2,2)) gel_loc_turn4(i)=gel_loc_turn4(i)-(s1+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) C Derivatives in gamma(i+1) call transpose2(EUgder(1,1,i+2),e2tder(1,1)) @@ -3366,6 +3469,7 @@ C Derivatives in gamma(i+1) s3=0.5d0*(pizda(1,1)+pizda(2,2)) gel_loc_turn4(i+1)=gel_loc_turn4(i+1)-(s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) C Derivatives in gamma(i+2) call transpose2(EUgder(1,1,i+3),e3tder(1,1)) @@ -3379,7 +3483,8 @@ C Derivatives in gamma(i+2) s3=0.5d0*(pizda(1,1)+pizda(2,2)) gel_loc_turn4(i+2)=gel_loc_turn4(i+2)-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) - + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) + C Cartesian derivatives C Derivatives of this turn contributions in DC(i+2) if (j.lt.nres-1) then @@ -3400,6 +3505,7 @@ C Derivatives of this turn contributions in DC(i+2) ggg(l)=-(s1+s2+s3) gcorr4_turn(l,i+2)=gcorr4_turn(l,i+2)-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) enddo endif @@ -3420,6 +3526,7 @@ C Remaining derivatives of this turn contribution s3=0.5d0*(pizda(1,1)+pizda(2,2)) gcorr4_turn(l,i)=gcorr4_turn(l,i)-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) a_temp(1,1)=aggi1(l,1) a_temp(1,2)=aggi1(l,2) @@ -3436,6 +3543,7 @@ C Remaining derivatives of this turn contribution s3=0.5d0*(pizda(1,1)+pizda(2,2)) gcorr4_turn(l,i+1)=gcorr4_turn(l,i+1)-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) a_temp(1,1)=aggj(l,1) a_temp(1,2)=aggj(l,2) @@ -3452,6 +3560,7 @@ C Remaining derivatives of this turn contribution s3=0.5d0*(pizda(1,1)+pizda(2,2)) gcorr4_turn(l,j)=gcorr4_turn(l,j)-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) a_temp(1,1)=aggj1(l,1) a_temp(1,2)=aggj1(l,2) @@ -3468,6 +3577,7 @@ C Remaining derivatives of this turn contribution s3=0.5d0*(pizda(1,1)+pizda(2,2)) gcorr4_turn(l,j1)=gcorr4_turn(l,j1)-(s1+s2+s3) & *fac_shield(i)*fac_shield(j) + &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0) enddo endif @@ -9049,3 +9159,689 @@ C eliptran=elpitran+0.0 ! I am in water return end C------------------------------------------------------------------------------------- +C----------------------------------------------------------------------- +C----------------------------------------------------------- +C This subroutine is to mimic the histone like structure but as well can be +C utilizet to nanostructures (infinit) small modification has to be used to +C make it finite (z gradient at the ends has to be changes as well as the x,y +C gradient has to be modified at the ends +C The energy function is Kihara potential +C E=4esp*((sigma/(r-r0))^12 - (sigma/(r-r0))^6) +C 4eps is depth of well sigma is r_minimum r is distance from center of tube +C and r0 is the excluded size of nanotube (can be set to 0 if we want just a +C simple Kihara potential + subroutine calctube(Etube) + implicit real*8 (a-h,o-z) + include 'DIMENSIONS' + include 'COMMON.GEO' + include 'COMMON.VAR' + include 'COMMON.LOCAL' + include 'COMMON.CHAIN' + include 'COMMON.DERIV' + include 'COMMON.INTERACT' + include 'COMMON.IOUNITS' + include 'COMMON.CALC' + include 'COMMON.CONTROL' + include 'COMMON.SPLITELE' + include 'COMMON.SBRIDGE' + double precision tub_r,vectube(3),enetube(maxres*2) + Etube=0.0d0 + do i=itube_start,itube_end + enetube(i)=0.0d0 + enetube(i+nres)=0.0d0 + enddo +C first we calculate the distance from tube center +C first sugare-phosphate group for NARES this would be peptide group +C for UNRES + do i=itube_start,itube_end +C lets ommit dummy atoms for now + if ((itype(i).eq.ntyp1).or.(itype(i+1).eq.ntyp1)) cycle +C now calculate distance from center of tube and direction vectors + xmin=boxxsize + ymin=boxysize + do j=-1,1 + vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize) + vectube(1)=vectube(1)+boxxsize*j + vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize) + vectube(2)=vectube(2)+boxysize*j + + xminact=abs(vectube(1)-tubecenter(1)) + yminact=abs(vectube(2)-tubecenter(2)) + if (xmin.gt.xminact) then + xmin=xminact + xtemp=vectube(1) + endif + if (ymin.gt.yminact) then + ymin=yminact + ytemp=vectube(2) + endif + enddo + vectube(1)=xtemp + vectube(2)=ytemp + vectube(1)=vectube(1)-tubecenter(1) + vectube(2)=vectube(2)-tubecenter(2) + +C print *,"x",(c(1,i)+c(1,i+1))/2.0d0,tubecenter(1) +C print *,"y",(c(2,i)+c(2,i+1))/2.0d0,tubecenter(2) + +C as the tube is infinity we do not calculate the Z-vector use of Z +C as chosen axis + vectube(3)=0.0d0 +C now calculte the distance + tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2) +C now normalize vector + vectube(1)=vectube(1)/tub_r + vectube(2)=vectube(2)/tub_r +C calculte rdiffrence between r and r0 + rdiff=tub_r-tubeR0 +C and its 6 power + rdiff6=rdiff**6.0d0 +C for vectorization reasons we will sumup at the end to avoid depenence of previous + enetube(i)=pep_aa_tube/rdiff6**2.0d0+pep_bb_tube/rdiff6 +C write(iout,*) "TU13",i,rdiff6,enetube(i) +C print *,rdiff,rdiff6,pep_aa_tube +C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6 +C now we calculate gradient + fac=(-12.0d0*pep_aa_tube/rdiff6- + & 6.0d0*pep_bb_tube)/rdiff6/rdiff +C write(iout,'(a5,i4,f12.1,3f12.5)') "TU13",i,rdiff6,enetube(i), +C &rdiff,fac + +C now direction of gg_tube vector + do j=1,3 + gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac/2.0d0 + gg_tube(j,i)=gg_tube(j,i)+vectube(j)*fac/2.0d0 + enddo + enddo +C basically thats all code now we split for side-chains (REMEMBER to sum up at the END) +C print *,gg_tube(1,0),"TU" + + + do i=itube_start,itube_end +C Lets not jump over memory as we use many times iti + iti=itype(i) +C lets ommit dummy atoms for now + if ((iti.eq.ntyp1) +C in UNRES uncomment the line below as GLY has no side-chain... +C .or.(iti.eq.10) + & ) cycle + xmin=boxxsize + ymin=boxysize + do j=-1,1 + vectube(1)=mod((c(1,i+nres)),boxxsize) + vectube(1)=vectube(1)+boxxsize*j + vectube(2)=mod((c(2,i+nres)),boxysize) + vectube(2)=vectube(2)+boxysize*j + + xminact=abs(vectube(1)-tubecenter(1)) + yminact=abs(vectube(2)-tubecenter(2)) + if (xmin.gt.xminact) then + xmin=xminact + xtemp=vectube(1) + endif + if (ymin.gt.yminact) then + ymin=yminact + ytemp=vectube(2) + endif + enddo + vectube(1)=xtemp + vectube(2)=ytemp +C write(iout,*), "tututu", vectube(1),tubecenter(1),vectube(2), +C & tubecenter(2) + vectube(1)=vectube(1)-tubecenter(1) + vectube(2)=vectube(2)-tubecenter(2) + +C as the tube is infinity we do not calculate the Z-vector use of Z +C as chosen axis + vectube(3)=0.0d0 +C now calculte the distance + tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2) +C now normalize vector + vectube(1)=vectube(1)/tub_r + vectube(2)=vectube(2)/tub_r + +C calculte rdiffrence between r and r0 + rdiff=tub_r-tubeR0 +C and its 6 power + rdiff6=rdiff**6.0d0 +C for vectorization reasons we will sumup at the end to avoid depenence of previous + sc_aa_tube=sc_aa_tube_par(iti) + sc_bb_tube=sc_bb_tube_par(iti) + enetube(i+nres)=sc_aa_tube/rdiff6**2.0d0+sc_bb_tube/rdiff6 +C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6 +C now we calculate gradient + fac=-12.0d0*sc_aa_tube/rdiff6**2.0d0/rdiff- + & 6.0d0*sc_bb_tube/rdiff6/rdiff +C now direction of gg_tube vector + do j=1,3 + gg_tube_SC(j,i)=gg_tube_SC(j,i)+vectube(j)*fac + gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac + enddo + enddo + do i=itube_start,itube_end + Etube=Etube+enetube(i)+enetube(i+nres) + enddo +C print *,"ETUBE", etube + return + end +C TO DO 1) add to total energy +C 2) add to gradient summation +C 3) add reading parameters (AND of course oppening of PARAM file) +C 4) add reading the center of tube +C 5) add COMMONs +C 6) add to zerograd + +C----------------------------------------------------------------------- +C----------------------------------------------------------- +C This subroutine is to mimic the histone like structure but as well can be +C utilizet to nanostructures (infinit) small modification has to be used to +C make it finite (z gradient at the ends has to be changes as well as the x,y +C gradient has to be modified at the ends +C The energy function is Kihara potential +C E=4esp*((sigma/(r-r0))^12 - (sigma/(r-r0))^6) +C 4eps is depth of well sigma is r_minimum r is distance from center of tube +C and r0 is the excluded size of nanotube (can be set to 0 if we want just a +C simple Kihara potential + subroutine calctube2(Etube) + implicit real*8 (a-h,o-z) + include 'DIMENSIONS' + include 'COMMON.GEO' + include 'COMMON.VAR' + include 'COMMON.LOCAL' + include 'COMMON.CHAIN' + include 'COMMON.DERIV' + include 'COMMON.INTERACT' + include 'COMMON.IOUNITS' + include 'COMMON.CALC' + include 'COMMON.CONTROL' + include 'COMMON.SPLITELE' + include 'COMMON.SBRIDGE' + double precision tub_r,vectube(3),enetube(maxres*2) + Etube=0.0d0 + do i=itube_start,itube_end + enetube(i)=0.0d0 + enetube(i+nres)=0.0d0 + enddo +C first we calculate the distance from tube center +C first sugare-phosphate group for NARES this would be peptide group +C for UNRES + do i=itube_start,itube_end +C lets ommit dummy atoms for now + + if ((itype(i).eq.ntyp1).or.(itype(i+1).eq.ntyp1)) cycle +C now calculate distance from center of tube and direction vectors +C vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize) +C if (vectube(1).lt.0) vectube(1)=vectube(1)+boxxsize +C vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize) +C if (vectube(2).lt.0) vectube(2)=vectube(2)+boxysize + xmin=boxxsize + ymin=boxysize + do j=-1,1 + vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize) + vectube(1)=vectube(1)+boxxsize*j + vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize) + vectube(2)=vectube(2)+boxysize*j + + xminact=abs(vectube(1)-tubecenter(1)) + yminact=abs(vectube(2)-tubecenter(2)) + if (xmin.gt.xminact) then + xmin=xminact + xtemp=vectube(1) + endif + if (ymin.gt.yminact) then + ymin=yminact + ytemp=vectube(2) + endif + enddo + vectube(1)=xtemp + vectube(2)=ytemp + vectube(1)=vectube(1)-tubecenter(1) + vectube(2)=vectube(2)-tubecenter(2) + +C print *,"x",(c(1,i)+c(1,i+1))/2.0d0,tubecenter(1) +C print *,"y",(c(2,i)+c(2,i+1))/2.0d0,tubecenter(2) + +C as the tube is infinity we do not calculate the Z-vector use of Z +C as chosen axis + vectube(3)=0.0d0 +C now calculte the distance + tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2) +C now normalize vector + vectube(1)=vectube(1)/tub_r + vectube(2)=vectube(2)/tub_r +C calculte rdiffrence between r and r0 + rdiff=tub_r-tubeR0 +C and its 6 power + rdiff6=rdiff**6.0d0 +C THIS FRAGMENT MAKES TUBE FINITE + positi=mod((c(3,i)+c(3,i+1))/2.0d0,boxzsize) + if (positi.le.0) positi=positi+boxzsize +C print *,mod(c(3,i+nres),boxzsize),bordlipbot,bordliptop +c for each residue check if it is in lipid or lipid water border area +C respos=mod(c(3,i+nres),boxzsize) + print *,positi,bordtubebot,buftubebot,bordtubetop + if ((positi.gt.bordtubebot) + & .and.(positi.lt.bordtubetop)) then +C the energy transfer exist + if (positi.lt.buftubebot) then + fracinbuf=1.0d0- + & ((positi-bordtubebot)/tubebufthick) +C lipbufthick is thickenes of lipid buffore + sstube=sscalelip(fracinbuf) + ssgradtube=-sscagradlip(fracinbuf)/tubebufthick + print *,ssgradtube, sstube,tubetranene(itype(i)) + enetube(i)=enetube(i)+sstube*tubetranenepep +C gg_tube_SC(3,i)=gg_tube_SC(3,i) +C &+ssgradtube*tubetranene(itype(i)) +C gg_tube(3,i-1)= gg_tube(3,i-1) +C &+ssgradtube*tubetranene(itype(i)) +C print *,"doing sccale for lower part" + elseif (positi.gt.buftubetop) then + fracinbuf=1.0d0- + &((bordtubetop-positi)/tubebufthick) + sstube=sscalelip(fracinbuf) + ssgradtube=sscagradlip(fracinbuf)/tubebufthick + enetube(i)=enetube(i)+sstube*tubetranenepep +C gg_tube_SC(3,i)=gg_tube_SC(3,i) +C &+ssgradtube*tubetranene(itype(i)) +C gg_tube(3,i-1)= gg_tube(3,i-1) +C &+ssgradtube*tubetranene(itype(i)) +C print *, "doing sscalefor top part",sslip,fracinbuf + else + sstube=1.0d0 + ssgradtube=0.0d0 + enetube(i)=enetube(i)+sstube*tubetranenepep +C print *,"I am in true lipid" + endif + else +C sstube=0.0d0 +C ssgradtube=0.0d0 + cycle + endif ! if in lipid or buffor + +C for vectorization reasons we will sumup at the end to avoid depenence of previous + enetube(i)=enetube(i)+sstube* + &(pep_aa_tube/rdiff6**2.0d0+pep_bb_tube/rdiff6) +C write(iout,*) "TU13",i,rdiff6,enetube(i) +C print *,rdiff,rdiff6,pep_aa_tube +C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6 +C now we calculate gradient + fac=(-12.0d0*pep_aa_tube/rdiff6- + & 6.0d0*pep_bb_tube)/rdiff6/rdiff*sstube +C write(iout,'(a5,i4,f12.1,3f12.5)') "TU13",i,rdiff6,enetube(i), +C &rdiff,fac + +C now direction of gg_tube vector + do j=1,3 + gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac/2.0d0 + gg_tube(j,i)=gg_tube(j,i)+vectube(j)*fac/2.0d0 + enddo + gg_tube(3,i)=gg_tube(3,i) + &+ssgradtube*enetube(i)/sstube/2.0d0 + gg_tube(3,i-1)= gg_tube(3,i-1) + &+ssgradtube*enetube(i)/sstube/2.0d0 + + enddo +C basically thats all code now we split for side-chains (REMEMBER to sum up at the END) +C print *,gg_tube(1,0),"TU" + do i=itube_start,itube_end +C Lets not jump over memory as we use many times iti + iti=itype(i) +C lets ommit dummy atoms for now + if ((iti.eq.ntyp1) +C in UNRES uncomment the line below as GLY has no side-chain... + & .or.(iti.eq.10) + & ) cycle + vectube(1)=c(1,i+nres) + vectube(1)=mod(vectube(1),boxxsize) + if (vectube(1).lt.0) vectube(1)=vectube(1)+boxxsize + vectube(2)=c(2,i+nres) + vectube(2)=mod(vectube(2),boxysize) + if (vectube(2).lt.0) vectube(2)=vectube(2)+boxysize + + vectube(1)=vectube(1)-tubecenter(1) + vectube(2)=vectube(2)-tubecenter(2) +C THIS FRAGMENT MAKES TUBE FINITE + positi=(mod(c(3,i+nres),boxzsize)) + if (positi.le.0) positi=positi+boxzsize +C print *,mod(c(3,i+nres),boxzsize),bordlipbot,bordliptop +c for each residue check if it is in lipid or lipid water border area +C respos=mod(c(3,i+nres),boxzsize) + print *,positi,bordtubebot,buftubebot,bordtubetop + if ((positi.gt.bordtubebot) + & .and.(positi.lt.bordtubetop)) then +C the energy transfer exist + if (positi.lt.buftubebot) then + fracinbuf=1.0d0- + & ((positi-bordtubebot)/tubebufthick) +C lipbufthick is thickenes of lipid buffore + sstube=sscalelip(fracinbuf) + ssgradtube=-sscagradlip(fracinbuf)/tubebufthick + print *,ssgradtube, sstube,tubetranene(itype(i)) + enetube(i+nres)=enetube(i+nres)+sstube*tubetranene(itype(i)) +C gg_tube_SC(3,i)=gg_tube_SC(3,i) +C &+ssgradtube*tubetranene(itype(i)) +C gg_tube(3,i-1)= gg_tube(3,i-1) +C &+ssgradtube*tubetranene(itype(i)) +C print *,"doing sccale for lower part" + elseif (positi.gt.buftubetop) then + fracinbuf=1.0d0- + &((bordtubetop-positi)/tubebufthick) + sstube=sscalelip(fracinbuf) + ssgradtube=sscagradlip(fracinbuf)/tubebufthick + enetube(i+nres)=enetube(i+nres)+sstube*tubetranene(itype(i)) +C gg_tube_SC(3,i)=gg_tube_SC(3,i) +C &+ssgradtube*tubetranene(itype(i)) +C gg_tube(3,i-1)= gg_tube(3,i-1) +C &+ssgradtube*tubetranene(itype(i)) +C print *, "doing sscalefor top part",sslip,fracinbuf + else + sstube=1.0d0 + ssgradtube=0.0d0 + enetube(i+nres)=enetube(i+nres)+sstube*tubetranene(itype(i)) +C print *,"I am in true lipid" + endif + else +C sstube=0.0d0 +C ssgradtube=0.0d0 + cycle + endif ! if in lipid or buffor +CEND OF FINITE FRAGMENT +C as the tube is infinity we do not calculate the Z-vector use of Z +C as chosen axis + vectube(3)=0.0d0 +C now calculte the distance + tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2) +C now normalize vector + vectube(1)=vectube(1)/tub_r + vectube(2)=vectube(2)/tub_r +C calculte rdiffrence between r and r0 + rdiff=tub_r-tubeR0 +C and its 6 power + rdiff6=rdiff**6.0d0 +C for vectorization reasons we will sumup at the end to avoid depenence of previous + sc_aa_tube=sc_aa_tube_par(iti) + sc_bb_tube=sc_bb_tube_par(iti) + enetube(i+nres)=(sc_aa_tube/rdiff6**2.0d0+sc_bb_tube/rdiff6) + & *sstube+enetube(i+nres) +C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6 +C now we calculate gradient + fac=(-12.0d0*sc_aa_tube/rdiff6**2.0d0/rdiff- + & 6.0d0*sc_bb_tube/rdiff6/rdiff)*sstube +C now direction of gg_tube vector + do j=1,3 + gg_tube_SC(j,i)=gg_tube_SC(j,i)+vectube(j)*fac + gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac + enddo + gg_tube_SC(3,i)=gg_tube_SC(3,i) + &+ssgradtube*enetube(i+nres)/sstube + gg_tube(3,i-1)= gg_tube(3,i-1) + &+ssgradtube*enetube(i+nres)/sstube + + enddo + do i=itube_start,itube_end + Etube=Etube+enetube(i)+enetube(i+nres) + enddo +C print *,"ETUBE", etube + return + end +C TO DO 1) add to total energy +C 2) add to gradient summation +C 3) add reading parameters (AND of course oppening of PARAM file) +C 4) add reading the center of tube +C 5) add COMMONs +C 6) add to zerograd + + +C#------------------------------------------------------------------------------- +C This subroutine is to mimic the histone like structure but as well can be +C utilizet to nanostructures (infinit) small modification has to be used to +C make it finite (z gradient at the ends has to be changes as well as the x,y +C gradient has to be modified at the ends +C The energy function is Kihara potential +C E=4esp*((sigma/(r-r0))^12 - (sigma/(r-r0))^6) +C 4eps is depth of well sigma is r_minimum r is distance from center of tube +C and r0 is the excluded size of nanotube (can be set to 0 if we want just a +C simple Kihara potential + subroutine calcnano(Etube) + implicit real*8 (a-h,o-z) + include 'DIMENSIONS' + include 'COMMON.GEO' + include 'COMMON.VAR' + include 'COMMON.LOCAL' + include 'COMMON.CHAIN' + include 'COMMON.DERIV' + include 'COMMON.INTERACT' + include 'COMMON.IOUNITS' + include 'COMMON.CALC' + include 'COMMON.CONTROL' + include 'COMMON.SPLITELE' + include 'COMMON.SBRIDGE' + double precision tub_r,vectube(3),enetube(maxres*2), + & enecavtube(maxres*2) + Etube=0.0d0 + do i=itube_start,itube_end + enetube(i)=0.0d0 + enetube(i+nres)=0.0d0 + enddo +C first we calculate the distance from tube center +C first sugare-phosphate group for NARES this would be peptide group +C for UNRES + do i=itube_start,itube_end +C lets ommit dummy atoms for now + if ((itype(i).eq.ntyp1).or.(itype(i+1).eq.ntyp1)) cycle +C now calculate distance from center of tube and direction vectors + xmin=boxxsize + ymin=boxysize + zmin=boxzsize + + do j=-1,1 + vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize) + vectube(1)=vectube(1)+boxxsize*j + vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize) + vectube(2)=vectube(2)+boxysize*j + vectube(3)=mod((c(3,i)+c(3,i+1))/2.0d0,boxzsize) + vectube(3)=vectube(3)+boxzsize*j + + + xminact=abs(vectube(1)-tubecenter(1)) + yminact=abs(vectube(2)-tubecenter(2)) + zminact=abs(vectube(3)-tubecenter(3)) + + if (xmin.gt.xminact) then + xmin=xminact + xtemp=vectube(1) + endif + if (ymin.gt.yminact) then + ymin=yminact + ytemp=vectube(2) + endif + if (zmin.gt.zminact) then + zmin=zminact + ztemp=vectube(3) + endif + enddo + vectube(1)=xtemp + vectube(2)=ytemp + vectube(3)=ztemp + + vectube(1)=vectube(1)-tubecenter(1) + vectube(2)=vectube(2)-tubecenter(2) + vectube(3)=vectube(3)-tubecenter(3) + +C print *,"x",(c(1,i)+c(1,i+1))/2.0d0,tubecenter(1) +C print *,"y",(c(2,i)+c(2,i+1))/2.0d0,tubecenter(2) +C as the tube is infinity we do not calculate the Z-vector use of Z +C as chosen axis +C vectube(3)=0.0d0 +C now calculte the distance + tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2) +C now normalize vector + vectube(1)=vectube(1)/tub_r + vectube(2)=vectube(2)/tub_r + vectube(3)=vectube(3)/tub_r +C calculte rdiffrence between r and r0 + rdiff=tub_r-tubeR0 +C and its 6 power + rdiff6=rdiff**6.0d0 +C for vectorization reasons we will sumup at the end to avoid depenence of previous + enetube(i)=pep_aa_tube/rdiff6**2.0d0+pep_bb_tube/rdiff6 +C write(iout,*) "TU13",i,rdiff6,enetube(i) +C print *,rdiff,rdiff6,pep_aa_tube +C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6 +C now we calculate gradient + fac=(-12.0d0*pep_aa_tube/rdiff6- + & 6.0d0*pep_bb_tube)/rdiff6/rdiff +C write(iout,'(a5,i4,f12.1,3f12.5)') "TU13",i,rdiff6,enetube(i), +C &rdiff,fac + if (acavtubpep.eq.0.0d0) then +C go to 667 + enecavtube(i)=0.0 + faccav=0.0 + else + denominator=(1.0+dcavtubpep*rdiff6*rdiff6) + enecavtube(i)= + & (bcavtubpep*rdiff+acavtubpep*sqrt(rdiff)+ccavtubpep) + & /denominator + enecavtube(i)=0.0 + faccav=((bcavtubpep*1.0d0+acavtubpep/2.0d0/sqrt(rdiff)) + & *denominator-(bcavtubpep*rdiff+acavtubpep*sqrt(rdiff) + & +ccavtubpep)*rdiff6**2.0d0/rdiff*dcavtubpep*12.0d0) + & /denominator**2.0d0 +C faccav=0.0 +C fac=fac+faccav +C 667 continue + endif +C print *,"TUT",i,iti,rdiff,rdiff6,acavtubpep,denominator, +C & enecavtube(i),faccav +C print *,"licz=", +C & (bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)+ccavtub(iti)) +CX print *,"finene=",enetube(i+nres)+enecavtube(i) + +C now direction of gg_tube vector + do j=1,3 + gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac/2.0d0 + gg_tube(j,i)=gg_tube(j,i)+vectube(j)*fac/2.0d0 + enddo + enddo + + do i=itube_start,itube_end + enecavtube(i)=0.0 +C Lets not jump over memory as we use many times iti + iti=itype(i) +C lets ommit dummy atoms for now + if ((iti.eq.ntyp1) +C in UNRES uncomment the line below as GLY has no side-chain... +C .or.(iti.eq.10) + & ) cycle + xmin=boxxsize + ymin=boxysize + zmin=boxzsize + do j=-1,1 + vectube(1)=mod((c(1,i+nres)),boxxsize) + vectube(1)=vectube(1)+boxxsize*j + vectube(2)=mod((c(2,i+nres)),boxysize) + vectube(2)=vectube(2)+boxysize*j + vectube(3)=mod((c(3,i+nres)),boxzsize) + vectube(3)=vectube(3)+boxzsize*j + + + xminact=abs(vectube(1)-tubecenter(1)) + yminact=abs(vectube(2)-tubecenter(2)) + zminact=abs(vectube(3)-tubecenter(3)) + + if (xmin.gt.xminact) then + xmin=xminact + xtemp=vectube(1) + endif + if (ymin.gt.yminact) then + ymin=yminact + ytemp=vectube(2) + endif + if (zmin.gt.zminact) then + zmin=zminact + ztemp=vectube(3) + endif + enddo + vectube(1)=xtemp + vectube(2)=ytemp + vectube(3)=ztemp + +C write(iout,*), "tututu", vectube(1),tubecenter(1),vectube(2), +C & tubecenter(2) + vectube(1)=vectube(1)-tubecenter(1) + vectube(2)=vectube(2)-tubecenter(2) + vectube(3)=vectube(3)-tubecenter(3) +C now calculte the distance + tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2) +C now normalize vector + vectube(1)=vectube(1)/tub_r + vectube(2)=vectube(2)/tub_r + vectube(3)=vectube(3)/tub_r + +C calculte rdiffrence between r and r0 + rdiff=tub_r-tubeR0 +C and its 6 power + rdiff6=rdiff**6.0d0 +C for vectorization reasons we will sumup at the end to avoid depenence of previous + sc_aa_tube=sc_aa_tube_par(iti) + sc_bb_tube=sc_bb_tube_par(iti) + enetube(i+nres)=sc_aa_tube/rdiff6**2.0d0+sc_bb_tube/rdiff6 +C enetube(i+nres)=0.0d0 +C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6 +C now we calculate gradient + fac=-12.0d0*sc_aa_tube/rdiff6**2.0d0/rdiff- + & 6.0d0*sc_bb_tube/rdiff6/rdiff +C fac=0.0 +C now direction of gg_tube vector +C Now cavity term E=a(x+bsqrt(x)+c)/(1+dx^12) + if (acavtub(iti).eq.0.0d0) then +C go to 667 + enecavtube(i+nres)=0.0 + faccav=0.0 + else + denominator=(1.0+dcavtub(iti)*rdiff6*rdiff6) + enecavtube(i+nres)= + & (bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)+ccavtub(iti)) + & /denominator +C enecavtube(i)=0.0 + faccav=((bcavtub(iti)*1.0d0+acavtub(iti)/2.0d0/sqrt(rdiff)) + & *denominator-(bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff) + & +ccavtub(iti))*rdiff6**2.0d0/rdiff*dcavtub(iti)*12.0d0) + & /denominator**2.0d0 +C faccav=0.0 + fac=fac+faccav +C 667 continue + endif +C print *,"TUT",i,iti,rdiff,rdiff6,acavtub(iti),denominator, +C & enecavtube(i),faccav +C print *,"licz=", +C & (bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)+ccavtub(iti)) +C print *,"finene=",enetube(i+nres)+enecavtube(i) + do j=1,3 + gg_tube_SC(j,i)=gg_tube_SC(j,i)+vectube(j)*fac + gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac + enddo + enddo +C Now cavity term E=a(x+bsqrt(x)+c)/(1+dx^12) +C do i=itube_start,itube_end +C enecav(i)=0.0 +C iti=itype(i) +C if (acavtub(iti).eq.0.0) cycle + + + + do i=itube_start,itube_end + Etube=Etube+enetube(i)+enetube(i+nres)+enecavtube(i) + & +enecavtube(i+nres) + enddo +C print *,"ETUBE", etube + return + end +C TO DO 1) add to total energy +C 2) add to gradient summation +C 3) add reading parameters (AND of course oppening of PARAM file) +C 4) add reading the center of tube +C 5) add COMMONs +C 6) add to zerograd +