title piston and rod
c  control the density of the mesh
    parameter m 2 n 1 t 1 u 1; c coarse mesh
  c parameter m 3 n 2 t 2 u 1; c medium mesh
  c parameter m 5 n 4 t 3 u 2; c fine   mesh
c  surface definitions
  sd 1 cy 0 0 0 1 0 0 20 
  sd 2 cy 0 0 0 1 0 0 18
  sd 3 cy 21 0 0 0 0 1 8 
  sd 4 cy 2 0 0 0 1 1 9
  sd 5 cy 2 0 0 0 -1 1 9 
  sd 6 cy 21 0 0 0 0 1 2.5
  sd 7 cy 0 0 0 1 0 0 16
  sd 8 cy 0 0 115 0 1 0 17
  sd 9 cy 0 0 5 0 1 0 8
  sd 10 cy -5 0 36 0 1 0 20
  sd 11 cy 20 0 16 0 1 0 14
  sd 12 cy -8 0 90 0 1 0 19
  sd 13 cy 21 0 0 0 0 1 3
  sd 14 cy 0 0 0 1 0 0 14
  sd 15 cy 0 0 0 1 0 0 16
  sd 16 cy 21 0 0 0 0 1 2.45
  sd 17 cy 0 0 5 0 1 0 5
  sd 18 cy 0 0 115 0 1 0 15
  sd 19 plan 0 0 122 0 0 1
  sd 20 plan 0 0 122 0 0 1
  sd 21 plan 5 0 0 1 0 0
  sd 22 plan 0 0 122 0 0 1
  sd 23 cy 19 0 0 0 0 1 8
  sd 24 plan 0 0 0 1 0 0
c  global transformation of rod to fit the piston
  lev 1 levct 1 csca .5 ry -90 rx 90 mx 23.5; ;
c  top ring
  cylinder 1 [1+%u];1 [1+%u*90];1 [1+%u];
  lct 1 ry 90;lrep 1;
  endpart
c  second ring 
  cylinder 1 [1+%u];1 [1+%u*90];1 [1+%u];
  lct 1 ry 90;lrep 1;
  endpart
c  oil scraping ring made of shell elements
  cylinder
    -1         [-(1+%u   )];
    -1         [-(1+%u   )] [-(1+%u*2 )] [-(1+%u*3 )] [-(1+%u*4 )] 
  [-(1+%u*5 )] [-(1+%u*6 )] [-(1+%u*7 )] [-(1+%u*8 )] [-(1+%u*9 )]
  [-(1+%u*10)] [-(1+%u*11)] [-(1+%u*12)] [-(1+%u*13)] [-(1+%u*14)] 
  [-(1+%u*15)] [-(1+%u*16)] [-(1+%u*17)] [-(1+%u*18)] [-(1+%u*19)]
  [-(1+%u*20)] [-(1+%u*21)] [-(1+%u*22)] [-(1+%u*23)] [-(1+%u*24)] 
  [-(1+%u*25)] [-(1+%u*26)] [-(1+%u*27)] [-(1+%u*28)] [-(1+%u*29)]
  [-(1+%u*30)] [-(1+%u*31)] [-(1+%u*32)] [-(1+%u*33)] [-(1+%u*34)] 
  [-(1+%u*35)] [-(1+%u*36)] [-(1+%u*37)] [-(1+%u*38)] [-(1+%u*39)]
  [-(1+%u*40)] [-(1+%u*41)] [-(1+%u*42)] [-(1+%u*43)] [-(1+%u*44)] 
  [-(1+%u*45)] [-(1+%u*46)] [-(1+%u*47)] [-(1+%u*48)] [-(1+%u*49)]
  [-(1+%u*50)] [-(1+%u*51)] [-(1+%u*52)] [-(1+%u*53)] [-(1+%u*54)] 
  [-(1+%u*55)] [-(1+%u*56)] [-(1+%u*57)] [-(1+%u*58)] [-(1+%u*59)]
  [-(1+%u*60)] [-(1+%u*61)] [-(1+%u*62)] [-(1+%u*63)] [-(1+%u*64)] 
  [-(1+%u*65)] [-(1+%u*66)] [-(1+%u*67)] [-(1+%u*68)] [-(1+%u*69)]
  [-(1+%u*70)] [-(1+%u*71)] [-(1+%u*72)] [-(1+%u*73)] [-(1+%u*74)] 
  [-(1+%u*75)] [-(1+%u*76)] [-(1+%u*77)] [-(1+%u*78)] [-(1+%u*79)]
  [-(1+%u*80)] [-(1+%u*81)] [-(1+%u*82)] [-(1+%u*83)] [-(1+%u*84)] 
  [-(1+%u*85)] [-(1+%u*86)] [-(1+%u*87)] [-(1+%u*88)] [-(1+%u*89)]
  [-(1+%u*90)];
   1         [1  +%u    ];
  18.1 20.4
    1   4   8  12  16  20  24  28  32  36  40  44  48  52  56 
   60  64  68  72  76  80  84  88  92  96 100 104 108 112 116 
  120 124 128 132 136 140 144 148 152 156 160 164 168 172 176 
  180 184 188 192 196 200 204 208 212 216 220 224 228 232 236 
  240 244 248 252 256 260 264 268 272 276 280 284 288 292 296 
  300 304 308 312 316 320 324 328 332 336 340 344 348 352 356 
  359
  32.1 32.9
  lct 1 ry 90;lrep 1;
  endpart
c  begin the global transformation of the rod
c  to the piston coordinate system
  pslv 1
c  wrist pin bearing and clamp on the rod
  block 1 [1+%n] [1+3*%n] [1+5*%n];
        1 [1+%n] [1+2*%n] [1+4*%n] [1+5*%n] [1+6*%n];
        1 [1+%n] [1+5*%n] [1+6*%n] [1+8*%n];
  7.466 7.466 .286 0 -12 -8 -4 4 8 12 13 12 -2 -3 -5
  dei 1 2;;1 2 0 3 5;
  de 2 0 2 4 0 3
  de 3 0 3 4 0 5
  pb 3 0 3 3 0 5 x 0
  pb 2 0 1 2 0 1 z 12
  pb 2 0 4 2 0 4 z -2
  mb 2 0 5 2 0 5 x -2
  sfi -1 4;;-1 -4;sd 9
  sfi -2 4;;-2 -3;sd 17
  res 2 1 1 4 6 2 i 1
  lct 1 rt 0 0 0 rt -1 0 0 rt 0 -1 0 ;lrep 0 1;
  endpart
c  main bearing and clamp on rod
  block 1 [1+%n] [1+3*%n] [1+5*%n];
        1 [1+%n] [1+2*%n] [1+4*%n] [1+5*%n] [1+6*%n];
        1 [1+%n] [1+2*%n] [1+5*%n] [1+6*%n] [1+8*%n];
  17 15 10 0 -12 -8 -4 4 8 12 100 103.5 107 119.5 122 135
  dei 1 2;;1 2 0 4 6;
  de 2 0 2 4 0 4
  dei 2 4;1 2 0 5 6;5 6;
  pb 1 0 2 1 0 2 xz 15 100
  pb 1 0 4 1 0 4 z 122
  mb 1 1 1 2 6 2 xz 2 2      
  pb 2 0 5 2 0 5 x 17
  pb 3 0 4 3 0 5 xz 7 126
  mb 2 0 6 2 0 6 x -2
  mb 2 1 4 2 6 4 xz -1 2
  mb 2 1 2 2 6 2 xz -1 -2
  sfi -1 4;;-1 -5;sd 8
  sfi -2 4;;-2 -4;sd 18
  sf 1 0 4 1 0 4 sd 19
  sf 2 0 5 2 0 5 sd 20
  sfi -3; ;-1;sd 12
  res 2 2 5 4 5 6 i 1
  res 2 1 2 2 6 4 k 1
  lct 1 rt 0 0 0 rt -1 0 0 rt 0 -1 0 ;lrep 0 1;
  endpart
c  rod
  block 1 [1+2*%n] [1+4*%n] [1+5*%n] [1+6*%n] [1+7*%n] [1+8*%n];
        1 [1+%n] [1+3*%n] [1+4*%n];
        1 [1+3*%n] [1+5*%n] [1+16*%n] [1+17*%n];
        0 10 15 17 19 23 25 -8 -4 4 8 122 100 90 18 13
  de 1 0 1 4 0 2 
  de 3 0 3 7 0 5
  de 5 2 1 6 3 3 
  dei 1 2;1 2;2 4;
  dei 1 2;3 4;2 4;
  mb 4 0 2 7 0 3 3 7 
  pb 2 0 5 2 0 5 xz .286 12.999
  pb 2 1 2 2 4 2 xz 8.14446 100
  pb 3 0 5 3 0 5 xz 7.466 12
  res 4 4 1 7 4 3 i 1
  res 4 1 1 7 1 3 i 1
  res 1 1 5 3 4 5 i 1
  res 2 1 2 4 4 2 i 1
  res 7 1 1 7 4 3 j 1
  sfi -5 -6;-2 -3;1 3;sd 13
  sf 4 0 1 4 0 2 sd 8 
  sf 1 0 2 4 0 2 sd 8
  sf 3 0 4 3 0 4 sd 11
  sf 0 0 5 0 0 5 sd 9
  sf 2 0 2 2 0 3 sd 12
  sf 0 0 1 0 0 1 sd 22
  sfi 5 -7;-1 -4;1 3;sd 23
  sfi -2; ;-4;sd 21
  sfi 1 2;1 4;-4;sd 10
  sfi -1; ; ;sd 24
  lct 1 rt 0 0 0 rt -1 0 0 rt 0 -1 0 ;lrep 0 1;
  endpart
c  end the global transformation of the rod
c  to the piston coordinate system
  pplv
c piston
  block 
  1 [1+%m] [1+2*%m] [1+5*%m] [1+6*%m] [1+6*%m+%n] 
    [1+6*%m+2*%n] [1+6*%m+3*%n] [1+6*%m+4*%n] 
    [1+6*%m+5*%n] [1+6*%m+6*%n] [1+7.5*%m+6*%n];
  1 [1+%t] [1+2*%t] [1+3*%t+%m] [1+3*%t+4*%m] 
    [1+4*%t+5*%m] [1+5*%t+5*%m] [1+6*%t+5*%m];
  1 [1+%t] [1+2*%t] [1+3*%t+%m] [1+3*%t+4*%m] 
    [1+4*%t+5*%m] [1+5*%t+5*%m] [1+6*%t+5*%m];
  2 11 15 27 31 32 33 34 35 36 37 43
  -20 -20 -20 -6.5 6.5 20 20 20 
  -20 -20 -20 -6.5 6.5 20 20 20
  de 1 2 0 2 7 0 
  de 5 2 0 6 3 0
  de 5 6 0 6 7 0
  de 5 3 3 10 6 6 
  de 3 4 0 4 5 0 
  de 1 2 2 5 7 7
  dei ;1 3 0 6 8;1 3 0 6 8;
  dei 5 7 0 8 9 0 10 11;;1 2 0 7 8;
  dei 1 2;;1 4 0 5 8;
  dei 5 7 0 8 9 0 10 11;1 2 0 7 8;;
  pb 3 4 0 3 4 0 x 13 
  pb 3 5 0 3 5 0 x 13
  pb 4 4 0 4 4 0 x 29 
  pb 4 5 0 4 5 0 x 29
  pb 3 4 0 4 4 0 2 -8 
  pb 3 5 0 4 5 0 2 8
  mb 12 3 3 12 6 6 1 2      
  sfi ;-3 -6;-3 -6;sd 14
  sfi -12;-2 0 -7;2 7;sd 15
  sfi -12;2 7;-2 0 -7;sd 15
  sfi -3 -4;-4 -5;;sd 3
  sfi 1 12;-1 -8;-1 -8;sd 1 
  sfi 1 11;-2 -7;-2 -7;sd 2
  sfi 1 -2;7 8;-5 6;sd 4    
  sfi 1 -2;-5 6;7 8;sd 4
  sfi 1 -2;7 8;3 -4;sd 5    
  sfi 1 -2;3 -4;7 8;sd 5
  sfi 1 -2;1 2;-5 6;sd 5    
  sfi 1 -2;-5 6;1 2;sd 5
  sfi 1 -2;1 2;3 -4;sd 4    
  sfi 1 -2;3 -4;1 2;sd 4 
  relaxi 1 5;-1 -2 -7 -8;-1 -2 -7 -8;10 0.001 1
  endpart
c  wrist pin bearing in piston
  block 
  1 [1+2*%m] [1+5*%m] [1+7*%m];
  1 [1+2*%m] [1+5*%m] [1+7*%m];
  1 [1+%t] [1+2*%t] 0 [1+4*%t] [1+5*%t] [1+6*%t];
  13 13 29 29 
  -8 -8 8 8 
  -20 -20 -14 0 14 20 20
  de 2 2 0 3 3 0 
  dei 1 2 0 3 4;1 2 0 3 4;;
  sfi -2 -3;-2 -3;;sd 6
  sfi -1 -4 ; -1 -4 ; ; sd 3
  sfi ;;-1 -7;sd 1 
  sfi ;;-2 -6;sd 2 
  endpart
c  wrist pin
  block 1 [1+3*%m];1 [1+3*%m];1 [1+7*%m];
  20 22 -1 1 -19 19
  sfi -1 -2;-1 -2;;sd 16
  endpart

  Home Page

Copyright © 1996-2013 XYZ Scientific Applications, Inc. All rights reserved.