[430] | 1 | subroutine tthacdip(track,ktrack,turn) |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | !----------------------------------------------------------------------* |
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| 6 | ! Purpose: * |
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| 7 | ! Track a set of trajectories through a thin h ac dipole (zero l.) * |
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| 8 | ! Input/output: * |
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| 9 | ! TRACK(6,*)(double) Track coordinates: (X, PX, Y, PY, T, PT). * |
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| 10 | ! KTRACK (integer) number of surviving tracks. * |
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| 11 | !----------------------------------------------------------------------* |
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| 12 | ! Added by Yipeng SUN on 11 Nov 2009 * |
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| 13 | !----------------------------------------------------------------------* |
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| 14 | integer itrack,ktrack,turn,turn1,turn2,turn3,turn4 |
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| 15 | double precision bi2gi2,dl,el,omega,dtbyds,phirf,pt,rff,betas, & |
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| 16 | gammas,rfl,rfv,track(6,*),clight,twopi,vrf,deltap,deltas,pc,pc0, & |
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| 17 | get_variable,node_value,get_value,one,two,half,ten3m,ten6p,px |
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| 18 | ! double precision px,py,ttt,beti,el1 |
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| 19 | parameter(one=1d0,two=2d0,half=5d-1,ten3m=1d-3,ten6p=1d6) |
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| 20 | |
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| 21 | !---- Initialize |
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| 22 | clight=get_variable('clight ') |
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| 23 | twopi=get_variable('twopi ') |
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| 24 | |
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| 25 | !---- Fetch data. |
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| 26 | rfv = node_value('volt ') |
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| 27 | rff = node_value('freq ') |
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| 28 | rfl = node_value('lag ') |
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| 29 | pc0 = get_value('beam ','pc ') |
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| 30 | |
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| 31 | turn1 = node_value('ramp1 ') |
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| 32 | turn2 = node_value('ramp2 ') |
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| 33 | turn3 = node_value('ramp3 ') |
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| 34 | turn4 = node_value('ramp4 ') |
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| 35 | !---- Set up. |
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| 36 | omega = rff * twopi |
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| 37 | vrf = 300 * rfv * ten3m / pc0 |
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| 38 | phirf = rfl * twopi |
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| 39 | |
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| 40 | if (turn .lt. turn1) then |
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| 41 | vrf = 0 |
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| 42 | else if (turn .ge. turn1 .and. turn .lt. turn2) then |
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| 43 | vrf = (turn-turn1) * vrf / (turn2-turn1) |
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| 44 | else if (turn .ge. turn2 .and. turn .lt. turn3) then |
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| 45 | vrf = vrf |
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| 46 | else if (turn .ge. turn3 .and. turn .lt. turn4) then |
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| 47 | vrf = (turn4-turn) * vrf / (turn4-turn3) |
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| 48 | else |
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| 49 | vrf = 0 |
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| 50 | endif |
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| 51 | ! if (turn .le. 10 .or. turn .gt. 1990) then |
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| 52 | ! print*," turn: ",turn, " vrf: ", vrf |
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| 53 | ! endif |
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| 54 | do itrack = 1, ktrack |
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| 55 | px = track(2,itrack) & |
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| 56 | + vrf * sin(phirf + omega * turn) |
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| 57 | |
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| 58 | !---- track(2,jtrk) = track(2,jtrk) |
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| 59 | ! pt = track(6,itrack) |
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| 60 | ! pt = pt + vrf * sin(phirf - omega * track(5,itrack)) |
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| 61 | |
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| 62 | track(2,itrack) = px |
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| 63 | enddo |
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| 64 | end subroutine tthacdip |
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| 65 | subroutine ttvacdip(track,ktrack,turn) |
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| 66 | |
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| 67 | implicit none |
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| 68 | |
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| 69 | !----------------------------------------------------------------------* |
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| 70 | ! Purpose: * |
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| 71 | ! Track a set of trajectories through a thin v ac dipole (zero l.) * |
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| 72 | ! Input/output: * |
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| 73 | ! TRACK(6,*)(double) Track coordinates: (X, PX, Y, PY, T, PT). * |
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| 74 | ! KTRACK (integer) number of surviving tracks. * |
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| 75 | !----------------------------------------------------------------------* |
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| 76 | ! Added by Yipeng SUN on 11 Nov 2009 * |
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| 77 | !----------------------------------------------------------------------* |
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| 78 | integer itrack,ktrack,turn,turn1,turn2,turn3,turn4 |
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| 79 | double precision bi2gi2,dl,el,omega,dtbyds,phirf,pt,rff,betas, & |
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| 80 | gammas,rfl,rfv,track(6,*),clight,twopi,vrf,deltap,deltas,pc,pc0, & |
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| 81 | get_variable,node_value,get_value,one,two,half,ten3m,ten6p,py |
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| 82 | ! double precision px,py,ttt,beti,el1 |
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| 83 | parameter(one=1d0,two=2d0,half=5d-1,ten3m=1d-3,ten6p=1d6) |
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| 84 | |
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| 85 | !---- Initialize |
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| 86 | clight=get_variable('clight ') |
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| 87 | twopi=get_variable('twopi ') |
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| 88 | |
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| 89 | !---- Fetch data. |
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| 90 | rfv = node_value('volt ') |
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| 91 | rff = node_value('freq ') |
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| 92 | rfl = node_value('lag ') |
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| 93 | pc0 = get_value('beam ','pc ') |
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| 94 | |
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| 95 | turn1 = node_value('ramp1 ') |
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| 96 | turn2 = node_value('ramp2 ') |
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| 97 | turn3 = node_value('ramp3 ') |
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| 98 | turn4 = node_value('ramp4 ') |
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| 99 | !---- Set up. |
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| 100 | omega = rff * twopi |
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| 101 | vrf = 300 * rfv * ten3m / pc0 |
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| 102 | phirf = rfl * twopi |
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| 103 | |
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| 104 | |
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| 105 | if (turn .lt. turn1) then |
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| 106 | vrf = 0 |
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| 107 | else if (turn .ge. turn1 .and. turn .lt. turn2) then |
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| 108 | vrf = (turn-turn1) * vrf / (turn2-turn1) |
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| 109 | else if (turn .ge. turn2 .and. turn .lt. turn3) then |
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| 110 | vrf = vrf |
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| 111 | else if (turn .ge. turn3 .and. turn .lt. turn4) then |
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| 112 | vrf = (turn4-turn) * vrf / (turn4-turn3) |
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| 113 | else |
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| 114 | vrf = 0 |
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| 115 | endif |
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| 116 | ! if (turn .le. 10 .or. turn .gt. 1990) then |
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| 117 | ! print*," turn: ",turn, " vrf: ", vrf |
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| 118 | ! endif |
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| 119 | do itrack = 1, ktrack |
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| 120 | py = track(4,itrack) & |
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| 121 | + vrf * sin(phirf + omega * turn) |
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| 122 | |
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| 123 | !---- track(2,jtrk) = track(2,jtrk) |
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| 124 | ! pt = track(6,itrack) |
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| 125 | ! pt = pt + vrf * sin(phirf - omega * track(5,itrack)) |
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| 126 | |
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| 127 | track(4,itrack) = py |
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| 128 | enddo |
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| 129 | end subroutine ttvacdip |
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