某预应力混凝土箱梁桥ANSYS局部应力分析

/PREP7

!!!一、建模
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!预应力筋
!!!横梁筋
!!!NY1
K, 601 , 30 , -94.4835 , -1298.9
K, 602 , 30 , -72.71081 , -1147.254
K, 603 , 30 , -50.936775 , -995.585
K, 604 , 30 , -45.301 , -945
K, 605 , 30 , -42.90853 , -893.902
K, 606 , 30 , -29.5 , 0
K, 607 , 30 , -38.99014 , 632.676
K, 608 , 30 , -42.815 , 700
K, 609 , 30 , -52.24812 , 766.208
K, 610 , 30 , -67.75 , 850

*DO,I,601,609
L,I,I+1
*ENDDO
!!NY1第二根的坐标
KGEN,2,601,610,1,40,0,0,20
*DO,I,621,629
L,I,I+1
*ENDDO

!!!NY2
K, 651 , 10 , -94.4835 , 1298.9
K, 652 , 10 , -72.71081 , 1147.254
K, 653 , 10 , -50.936775 , 995.585
K, 654 , 10 , -45.301 , 945
K, 655 , 10 , -42.90853 , 893.902
K, 656 , 10 , -29.5 , 0
K, 657 , 10 , -38.99014 , -632.676
K, 658 , 10 , -42.815 , -700
K, 659 , 10 , -52.24812 , -766.208
K, 660 , 10 , -67.75 , -850

*DO,I,651,659
L,I,I+1
*ENDDO
!!NY1第二根的坐标
KGEN,2,651,660,1,40,0,0,20
*DO,I,671,679
L,I,I+1
*ENDDO

!!!NY3

K, 701 , 30 , -152.2335 , -1148.9
K, 702 , 30 , -117.77543 , -926.962
K, 703 , 30 , -83.317 , -705
K, 704 , 30 , -76.705 , -650
K, 705 , 30 , -73.915205 , -594.347
K, 706 , 30 , -71.29499 , -419.666
K, 707 , 30 , -73.286 , -350
K, 708 , 30 , -81.258015 , -281.201
K, 709 , 30 , -91.26945 , -218.63
K, 710 , 30 , -99.248 , -150
K, 711 , 30 , -101.207575 , -80.505
K, 712 , 30 , -100 , 0
K, 713 , 30 , -101.207575 , 80.505
K, 714 , 30 , -99.248 , 150
K, 715 , 30 , -91.26945 , 218.63
K, 716 , 30 , -81.258015 , 281.201
K, 717 , 30 , -73.286 , 350
K, 718 , 30 , -71.29499 , 419.666
K, 719 , 30 , -72.571735 , 503.849
K, 720 , 30 , -79.835 , 600
K, 721 , 30 , -98.21902 , 693.068
K, 722 , 30 , -144.476925 , 870.995
K, 723 , 30 , -190.7335 , 1048.9

*DO,I,701,722
L,I,I+1
*ENDDO
!!NY1第二根的坐标
KGEN,2,701,723,1,40,0,0,50
*DO,I,751,772
L,I,I+1
*ENDDO


!!!NY4
K, 801 , 10 , -152.2335 , 1148.9
K, 802 , 10 , -117.77543 , 926.962
K, 803 , 10 , -83.317 , 705
K, 804 , 10 , -76.705 , 650
K, 805 , 10 , -73.915205 , 594.347
K, 806 , 10 , -71.29499 , 419.666
K, 807 , 10 , -73.286 , 350
K, 808 , 10 , -81.258015 , 281.201
K, 809 , 10 , -91.26945 , 218.63
K, 810 , 10 , -99.248 , 150
K, 811 , 10 , -101.207575 , 80.505
K, 812 , 10 , -100 , 0
K, 813 , 10 , -101.207575 , -80.505
K, 814 , 10 , -99.248 , -150
K, 815 , 10 , -91.26945 , -218.63
K, 816 , 10 , -81.258015 , -281.201
K, 817 , 10 , -73.286 , -350
K, 818 , 10 , -71.29499 , -419.666
K, 819 , 10 , -72.571735 , -503.849
K, 820 , 10 , -79.835 , -600
K, 821 , 10 , -98.21902 , -693.068
K, 822 , 10 , -144.476925 , -870.995
K, 823 , 10 , -190.7335 , -1048.9

*DO,I,801,822
L,I,I+1
*ENDDO
!!NY1第二根的坐标
KGEN,2,801,823,1,40,0,0,50
*DO,I,851,872
L,I,I+1
*ENDDO

!!!顶板

K, 901 , 10 , -34.15 , -1610
K, 902 , 10 , -10 , 0
K, 903 , 10 , -34.15 , 1610

L,901,90

2 !!得到线125
L,902,903 !!得到线126



K, 911 , 50 , -34.15 , -1610
K, 912 , 50 , -10 , 0
K, 913 , 50 , -34.15 , 1610
L,911,912 !!!得到线127
L,912,913 !!!得到线128


LGEN,13,127,,,50,,,3
LGEN,13,128,,,50,,,3

CM,SLINE,LINE !!将全部预应力筋定义为元件SLINE。

LSEL,S,LINE,,125
LSEL,A,LINE,,126
CM,DLINE1,LINE !!!定义顶板中第一根预应力筋为元件DLINE1，用于后面加实常数（一半）

LSEL,S,LINE,,127,152
CM,DLINE2,LINE !!!定义顶板中其他预应力筋为元件DLINE2，用于后面加实常数（正常）

CMSEL,S,SLINE
CMSEL,U,DLINE1
CMSEL,U,DLINE2
CM,HLINE,LINE


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!实体箱梁
!!!3-4段
!!!3截面坐标
K, 301 , 375 , -24.15 , -1610
K, 302 , 375 , -49.15 , -1610
K, 303 , 375 , -64.780845 , -1501.523
K, 304 , 375 , -121.332735 , -1284.849
K, 305 , 375 , -254.1 , -940
K, 306 , 375 , -240 , 0
K, 307 , 375 , 0 , 0
K, 336 , 375 , -55.4251 , -28.34
K, 337 , 375 , -27.6751 , -178.34
K, 338 , 375 , -29.0749 , -271.66
K, 331 , 375 , -61.3249 , -421.66
K, 326 , 375 , -62.1751 , -478.34
K, 327 , 375 , -34.4251 , -628.34
K, 328 , 375 , -35.8249 , -721.66
K, 321 , 375 , -68.0749 , -871.66
K, 315 , 375 , -68.9251 , -928.34
K, 316 , 375 , -40.7251 , -1048.34
K, 317 , 375 , -42.325 , -1155
K, 311 , 375 , -54.125 , -1275
K, 335 , 375 , -197.4251 , -28.34
K, 334 , 375 , -218.6251 , -108.34
K, 333 , 375 , -222.1249 , -341.66
K, 332 , 375 , -203.3249 , -421.66
K, 325 , 375 , -204.1751 , -478.34
K, 324 , 375 , -225.3751 , -558.34
K, 323 , 375 , -228.8749 , -791.66
K, 322 , 375 , -210.0749 , -871.66
K, 312 , 375 , -100.479 , -1275
K, 313 , 375 , -214.6931 , -978.34
K, 314 , 375 , -163.9431 , -928.34
K, 3301 , 375 , -264.15 , -1610
K, 3303 , 375 , -262.522845 , -1501.523
K, 3304 , 375 , -259.272735 , -1284.849


!!!4截面坐标
K, 401 , 675 , -24.15 , -1610
K, 402 , 675 , -49.15 , -1610
K, 403 , 675 , -64.780845 , -1501.523
K, 404 , 675 , -121.332735 , -1284.849
K, 405 , 675 , -254.1 , -940
K, 406 , 675 , -240 , 0
K, 407 , 675 , 0 , 0
K, 436 , 675 , -55.315 , -21
K, 437 , 675 , -27.565 , -171
K, 438 , 675 , -29.185 , -279
K, 431 , 675 , -61.435 , -429
K, 426 , 675 , -62.065 , -471
K, 427 , 675 , -34.315 , -621
K, 428 , 675 , -35.935 , -729
K, 421 , 675 , -68.185 , -879
K, 415 , 675 , -68.815 , -921
K, 416 , 675 , -40.615 , -1041
K, 417 , 675 , -42.325 , -1155
K, 411 , 675 , -54.125 , -1275
K, 435 , 675 , -197.315 , -21
K, 434 , 675 , -218.515 , -101
K, 433 , 675 , -222.235 , -349
K, 432 , 675 , -203.435 , -429
K, 425 , 675 , -204.065 , -471
K, 424 , 675 , -225.265 , -551
K, 423 , 675 , -228.985 , -799
K, 422 , 675 , -210.185 , -879
K, 412 , 675 , -100.479 , -1275
K, 413 , 675 , -217.519 , -971
K, 414 , 675 , -166.769 , -921
K, 3401 , 675 , -264.15 , -1610
K, 3403 , 675 , -262.522845 , -1501.523

K, 3404 , 675 , -259.272735 , -1284.849

!!!3-4成体命令流

V,301,3301,306,307, 401 , 3401 , 406
, 407
V,302,3301,3303,303, 402 , 3401 , 3403 , 403
V,303,3303,3304,304, 403 , 3403 , 3404 , 404
V,304,3304,305, 404,3404,405
V,311,312,317,411,412,417
V,317,312,313,316, 417 , 412 , 413 , 416
V,316,313,314,315, 416 , 413 , 414 , 415
V,321,328,327,326, 421 , 428 , 427 , 426
V,321,322,325,326, 421 , 422 , 425 , 426
V,322,323,324,325, 422 , 423 , 424 , 425
V,331,338,337,336,431, 438 , 437 , 436
V,331,332,335,336,431, 432 , 435 , 436
V,332,333,334,335, 432 , 433 , 434 , 435


VSBV,1,2
VSBV,14,3
VSBV,1,4
VSBV,2,5
VSBV,1,6
VSBV,2,7
VSBV,1,8
VSBV,2,9
VSBV,1,10
VSBV,2,11
VSBV,1,12
VSBV,2,13
!!!!得到体1

!!!建立2-3
!!!2截面坐标
K, 201 , 205 , -24.15 , -1610
K, 202 , 205 , -49.15 , -1610
K, 203 , 205 , -64.780845 , -1501.523
K, 204 , 205 , -121.332735 , -1284.849
K, 205 , 205 , -254.1 , -940
K, 206 , 205 , -240 , 0
K, 207 , 205 , 0 , 0
K, 236 , 205 , -55.4875 , -32.5
K, 237 , 205 , -27.7375 , -182.5
K, 238 , 205 , -29.0125 , -267.5
K, 231 , 205 , -61.2625 , -417.5
K, 226 , 205 , -62.2375 , -482.5
K, 227 , 205 , -34.4875 , -632.5
K, 228 , 205 , -35.7625 , -717.5
K, 221 , 205 , -68.0125 , -867.5
K, 215 , 205 , -68.9875 , -932.5
K, 216 , 205 , -40.7875 , -1052.5
K, 217 , 205 , -42.325 , -1155
K, 211 , 205 , -54.125 , -1275
K, 235 , 205 , -197.4875 , -32.5
K, 232 , 205 , -203.2625 , -417.5
K, 225 , 205 , -204.2375 , -482.5
K, 222 , 205 , -210.0125 , -867.5
K, 212 , 205 , -100.479 , -1275
K, 213 , 205 , -213.0915 , -982.5
K, 214 , 205 , -162.3415 , -932.5
K, 3201 , 205 , -264.15 , -1610
K, 3203 , 205 , -262.522845 , -1501.523
K, 3204 , 205 , -259.272735 , -1284.849
K, 2235 , 205 , -217.4875 , -32.5
K, 2232 , 205 , -223.2625 , -417.5
K, 2225 , 205 , -224.2375 , -482.5
K, 2222 , 205 , -230.0125 , -867.5

!!!补-3截面坐标

K, 3301 , 375 , -264.15 , -1610
K, 3303 , 375 , -262.522845 , -1501.523
K, 3304 , 375 , -259.272735 , -1284.849

K, 2335 , 375 , -217.4251 , -28.34
K, 2332 , 375 , -223.3249 , -421.66
K, 2325 , 375 , -224.1751 , -478.34
K, 2322 , 375 , -230.0749 , -871.66

!!!!2-3成体
V,301,3301,306 , 307 , 201 , 3201 , 206 , 207
V,302,3301,3303 , 303 , 202 , 3201 , 3203 , 203
V,303,3303,3304 , 304 , 203 , 3203 , 3204 , 204
V,304,3304,305,204 , 3204 , 205
V,311,312,317 ,211 , 212 , 217
V,317,312,313,316 , 217 , 212 , 213 , 216
V,316,313,314 ,315 , 216 , 213 , 214 , 215

V,321,328,327 ,326 , 221 , 228 , 227 , 226
V,321,2322,2325 ,326 , 221 , 2222 , 2225 , 226

V,331,338,337,336 , 231 , 238 , 237 , 236
V,331,2332,2335,336 , 231 , 2232 , 2235 , 236


VSBV,2,3
VSBV,13,4
VSBV,2,5
VSBV,3,6
VSBV,2,7
VSBV,3,8
VSBV,2,9
VSBV,3,10
VSBV,2,11
VSBV,3,12

!!!得到2-3之间的体编号为2.


!!!建立1-2
!!!截面1坐标
K, 101 , 175 , -24.15 , -1610
K, 102 , 175 , -49.15 , -1610
K, 103 ,

175 , -64.780845 , -1501.523
K, 104 , 175 , -121.332735 , -1284.849
K, 105 , 175 , -254.1 , -940
K, 106 , 175 , -240 , 0
K, 107 , 175 , 0 , 0
K, 136 , 175
, -55.9375 , -62.5
K, 137 , 175 , -28.1875 , -212.5
K, 138 , 175 , -28.5625 , -237.5
K, 131 , 175 , -60.8125 , -387.5
K, 126 , 175 , -62.6875 , -512.5
K, 127 , 175 , -34.9375 , -662.5
K, 128 , 175 , -35.3125 , -687.5
K, 121 , 175 , -67.5625 , -837.5
K, 115 , 175 , -69.4375 , -962.5
K, 116 , 175 , -41.2375 , -1082.5
K, 117 , 175 , -41.875 , -1125
K, 111 , 175 , -53.675 , -1245
K, 135 , 175 , -197.9375 , -62.5
K, 134 , 175 , -219.1375 , -142.5
K, 133 , 175 , -221.6125 , -307.5
K, 132 , 175 , -202.8125 , -387.5
K, 125 , 175 , -204.6875 , -512.5
K, 124 , 175 , -225.8875 , -592.5
K, 123 , 175 , -228.3625 , -757.5
K, 122 , 175 , -209.5625 , -837.5

K, 112 , 175 , -112.029 , -1245

K, 113 , 175 , -201.5415 , -1012.5
K, 114 , 175 , -150.7915 , -962.5
K, 3101 , 175 , -264.15 , -1610
K, 3103 , 175 , -262.522845 , -1501.523
K, 3104 , 175 , -259.272735 , -1284.849
K, 35 , 175 , -217.9375 , -62.5
K, 32 , 175 , -222.8125 , -387.5
K, 25 , 175 , -224.6875 , -512.5
K, 22 , 175 , -229.5625 , -837.5

!!!补截面2坐标
K, 3201 , 205 , -264.15 , -1610
K, 3203 , 205 , -262.522845 , -1501.523
K, 3204 , 205 , -259.272735 , -1284.849

K, 2235 , 205 , -217.4875 , -32.5
K, 2232 , 205 , -223.2625 , -417.5
K, 2225 , 205 , -224.2375 , -482.5
K, 2222 , 205 , -230.0125 , -867.5

V,101,3101,106 ,107 , 201 , 3201 , 206 , 207
V,102,3101,3103 ,103 , 202 , 3201 , 3203 , 203
V,103,3103,3104 , 104 , 203 , 3203 , 3204 , 204
V,104,3104,105, 204 , 3204 , 205

V,111,112,117, 211 , 212 , 217
V,117,112,113, 116 , 217 , 212 , 213 , 216
V,116,113,114, 115 , 216 , 213 , 214 , 215

V,121,128,127, 126 , 221 , 228 , 227 , 226
V,121,22,25 , 126 , 221 , 2222 , 2225 , 226
V,131,138,137 ,136, 231 , 238 , 237 , 236
V,131,32,35 , 136 , 231 , 2232 , 2235 , 236

VSBV,3,4
VSBV,14,5
VSBV,3,6
VSBV,4,7
VSBV,3,8
VSBV,4,9
VSBV,3,10
VSBV,4,11
VSBV,3,12
VSBV,4,13

!!!得到体3


!!!顶板加腋
!!!坐标
K, 131 , 175 , -60.8125 , -387.5
K, 136 , 175 , -55.9375 , -62.5
K, 2131 , 175 , -30.8125 , -387.5
K, 2136 , 175 , -25.9375 , -62.5
K, 121 , 175 , -67.5625 , -837.5
K, 126 , 175 , -62.6875 , -512.5
K, 2121 , 175 , -37.5625 , -837.5
K, 2126 , 175 , -32.6875 , -512.5
K, 115 , 175 , -69.4375 , -962.5
K, 1111 , 175 , -73.675 , -1245
K, 2115 , 175 , -39.4375 , -962.5
K, 2111 , 175 , -43.675 , -1245
K, 2231 , 205 , -31.2625 , -417.5
K, 2236 , 205 , -25.4875 , -32.5
K, 2221 , 205 , -38.0125 , -867.5
K, 2226 , 205 , -32.2375 , -482.5
K, 2215 , 205 , -38.9875 , -932.5
K, 2211 , 205 , -44.125 , -1275


!!!体

V, 131, 2131, 2231, 136, 2136, 2236
V, 121, 2121, 2221, 126, 2126, 2226
V, 115, 2115, 2215, 1111, 2111, 2211



!!!!1-3段整体添加承托

!!!1截面控制坐标
K, 122 , 175 , -210.0125 , -867

.5
K, 123 , 175 , -228.8125 , -787.5
K, 124 , 175 , -225.4375 , -562.5
K, 125 , 175 , -204.2375 , -482.5
K, 132 , 175 , -203.2625 , -417.5
K, 133 , 175 , -222.0625 , -337.5
K, 134 , 175 , -218.6875 , -112.5

K, 135 , 175 , -197.4875 , -32.5
K, 2122 , 175 , -230.0125 , -867.5
K, 2125 , 175 , -224.2375 , -482.5
K, 2132 , 175 , -223.2625 , -417.5
K, 2135 , 175 , -217.4875 , -32.5

K, 335 , 375 , -197.4251 , -28.34
K, 334 , 375 , -218.6251 , -108.34
K, 333 , 375 , -222.1249 , -341.66
K, 332 , 375 , -203.3249 , -421.66
K, 325 , 375 , -204.1751 , -478.34
K, 324 , 375 , -225.3751 , -558.34
K, 323 , 375 , -228.8749 , -791.66
K, 322 , 375 , -210.0749 , -871.66
K, 2335 , 375 , -217.4251 , -28.34
K, 2332 , 375 , -223.3249 , -421.66
K, 2325 , 375 , -224.1751 , -478.34
K, 2322 , 375 , -230.0749 , -871.66

V, 122 , 123 , 2122 , 322 , 323 , 2322
V, 124 , 125 , 2125 , 324 , 325 , 2325
V, 132 , 133 , 2132 , 332 , 333 , 2332
V, 134 , 135 , 2135 , 334 , 335 , 2335

!!!底板加厚
!!!!!1-3之间

K, 305 , 375 , -254.1 , -940
K, 306 , 375 , -240 , 0
K, 2305 , 375 , -231.1 , -940
K, 2306 , 375 , -217 , 0
K, 105 , 175 , -254.1 , -940
K, 106 , 175 , -240 , 0
K, 2105 , 175 , -211.1 , -940
K, 2106 , 175 , -197 , 0

V,305,306,2306,2305,105,106,2106,2105

!!!!布尔加所有-成功
VADD,ALL
NUMCMP,AREA

!!!得到中横梁
A,101,102,103,104,105,106,107
VOFFST,113,175,400

!!镜像得到另一半。
ALLSEL,ALL
CMSEL,U,SLINE
VSYMM,Z,ALL
!!!粘结全部
VGLUE,ALL !!得到整个模型。

ALLSEL,ALL

!!!二、切割顶底板
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!切割出用于加载的顶板，以及用于加约束的底板。

!!!!!!!!!!!!!!负的半边：

!!!顶板，其余自由划分（底板也不切了），效果不错。

VSEL,S,LOC,Z,0,-1610
KWPLAN,-1,501,507,101
WPOFFS,,,-12.5
VSBW,ALL

VSEL,S,LOC,Y,0,-50
CM,FUDING,VOLU !!!定义负段顶板为元件FUDING

!!!加约束底板
VSEL,S,LOC,Z,0,-1610
CMSEL,U,FUDING
KWPLAN,-1,506,34,106
WPOFFS,,,500
VSBW,ALL

!!!正的半边：
!!!顶板
VSEL,S,LOC,Z,0,1610
KWPLAN,-1,507,28,107
WPOFFS,,,-12.5
VSBW,ALL

VSEL,S,LOC,Z,0,1610
VSEL,R,LOC,Y,0,-50
CM,ZHDING,VOLU !!!定义正段顶板为元件ZHDING

!!!加约束底板
VSEL,S,LOC,Z,0,1610
CMSEL,U,ZHDING
KWPLAN,-1,506,34,106
WPOFFS,,,-500
VSBW,ALL

ALLSEL,ALL

!!!三、工况
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!工况1

!!!提示：每次不要忘了切割用于加载护栏的区域，共三道。

!!!纵向切割
CMSEL,S,ZHDING
KWPLAN,-1,28,19,257
WPOFFS,,,50
VSBW,ALL !!!正半边端部护栏

WPOFFS,,,50
VSBW,ALL
WPOFFS,,,180
VSBW,ALL
WPOFFS,,,130
VSBW,ALL
WPOFFS,,,180
VSBW,ALL

WPOFFS,,,995
VSBW,ALL !!!中间护栏正一侧
CM,ZHDING,VOLU !!!由于切割刚才那个SHDING被删除，再次定义。

!!!横向切割
CMSEL,

S,ZHDING
KWPLAN,-1,94,229,354
WPOFFS,,,230 !!!!725修改位置!!!!
VSBW,ALL

WPOFFS,,,140
VSBW,ALL

CM,ZHDING,VOLU

!!!切割负的板上的加载位置。
CMSEL,S,FUDING
KWPLAN,-1,94,229,187
WPOFFS,,,25
VSBW,ALL !!!中间护栏负一侧

WPOFFS,,,1535
VSBW,ALL !!!负半边端部护栏
CM,FUDING,VOLU !!!再次定义FUDING.

ALLSEL,ALL

!!!四、网格划分
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!定义材料特性，划分网格。
!!说明：下面的特性是暂时用的上一个模型的，以后要详细核对，修改。

混凝土：
ET,1,SOLID45
MP,EX,1,3.45E8
MP,PRXY,1,0.2
MP,DENS,1,2.653061E-3


预应力筋：

!!!顶板
ET,2,LINK8
MP,EX,2,1.95E9
MP,PRXY,2,0.3
MP,DENS,2,8.010204E-3
R,2,5.4438,0.006868
R,3,2.7219,0.006868

!!!横梁
ET,3,LINK8
MP,EX,3,1.95E9
MP,PRXY,3,0.3
MP,DENS,3,8.010204E-3
R,4,30.8479,0.006868


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!划分网格

!!!预应力筋
!!!横梁筋
CMSEL,S,HLINE
LATT,3,4,3
LESIZE,ALL,20
LMESH,ALL
!!!顶板筋
CMSEL,S,DLINE1
LATT,2,3,2
LESIZE,ALL,20
LMESH,ALL
CMSEL,S,DLINE2
LATT,2,2,2
LESIZE,ALL,20
LMESH,ALL

!!!顶板
CMSEL,S,ZHDING
ESIZE,30
VATT,1,1,1
VSWEEP,ALL

CMSEL,S,FUDING
ESIZE,30
VATT,1,1,1
VSWEEP,ALL

!!!其余
VSEL,ALL
CMSEL,U,ZHDING
CMSEL,U,FUDING
VATT,1,1,1
MSHAPE,1
MSHKEY,0
VMESH,ALL

ALLSEL,ALL


!!!五、添加荷载
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!加载
!!!!!分为三部分：车辆，护栏和铺装。

ALLSEL,ALL
CMSEL,S,ZHDING
NSLV,R,1 !!!选择上顶板的所有节点
KWPLAN,-1,94,354,187
CSYS,4 !!!定义工作平面为局部坐标系
NSEL,R,LOC,Z,0 !!!选出上层点
CSYS,0
NSEL,R,LOC,X,305
CM,ONE,NODE !!!定义第一条横向线


CMSEL,S,ONE
NSEL,R,LOC,Z,1020
F,ALL,FY,-7E6


CMSEL,S,ONE
NSEL,R,LOC,Z,1200
F,ALL,FY,-7E6

CMSEL,S,ONE
NSEL,R,LOC,Z,1330
F,ALL,FY,-7E6

CMSEL,S,ONE
NSEL,R,LOC,Z,1510
F,ALL,FY,-7E6


ALLSEL,ALL
CMSEL,S,ZHDING
NSLV,R,1 !!!选择上顶板的所有节点
KWPLAN,-1,94,354,187
CSYS,4 !!!定义工作平面为局部坐标系
NSEL,R,LOC,Z,0 !!!选出上层点
CSYS,0
NSEL,R,LOC,X,445
CM,TWO,NODE !!!定义第二条横向线

CMSEL,S,TWO
NSEL,R,LOC,Z,1020
F,ALL,FY,-7E6

CMSEL,S,TWO
NSEL,R,LOC,Z,1200
F,ALL,FY,-7E6

CMSEL,S,TWO
NSEL,R,LOC,Z,1330
F,ALL,FY,-7E6

CMSEL,S,TWO
NSEL,R,LOC,Z,1510
F,ALL,FY,-7E6


!!!护栏(三个）
!!边1
CMSEL,S,ZHDING
NSLV,S,1
NSEL,R,LOC,Z,1560,1610
NSEL,R,LOC,Y,-25,0
F,ALL,FY,-112500
!!中
CMSEL,S,ZHDING
NSLV,S,1
NSEL,R,LOC,Z,0,25
NSEL,R,LOC,Y,-5,0
F,ALL,FY,-112500

CMSEL,S,FUDING
NSLV,S,1
NSEL,R,LOC,Z,-25
NSEL,R,LOC,Y,-5,0
F,ALL,FY,-112500

!!边2
CMSEL,S,FUDING
NSLV,S,1
NSEL,R,LOC,Z,-1560,-1610
NSEL,R,LOC,Y,-25,0
F,ALL,FY,-112500

!!!铺装

ALLSEL,ALL
CM

SEL,S,ZHDING
NSLV,R,1 !!!选择正上顶板的所有节点
KWPLAN,-1,94,354,187
CSYS,4 !!!定义工作平面为局部坐标系
NSEL,R,LOC,Z,0 !!!选出上层点
CSYS,0
FCUM,ADD
F,ALL,FY,-16294.16558

ALLSEL,ALL
CMSEL,S,FUDING
NSLV,R,1 !!!选择负上顶板的所有节点
KWP
LAN,-1,501,101,406
CSYS,4 !!!定义工作平面为局部坐标系
NSEL,R,LOC,Z,0 !!!选出上层点
CSYS,0
FCUM,ADD
F,ALL,FY,-17167.06731

ALLSEL,ALL




!!!六、添加约束
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!约束：包括线约束和，对称约束。
!!!对称约束
ASEL,S,LOC,X,0 !!!选择x向坐标为0的面
APLOT !!!显示选择的面
NSLA,S,1 !!!选择与面相关的所有节点
DSYM,SYMM

!!线约束

!!!-500
LSEL,S,LOC,Z,-500
LSEL,R,LOC,Y,-247.5
NSLL,S,1
D,ALL,UY

!!!500
LSEL,S,LOC,Z,500
LSEL,R,LOC,Y,-247.5
NSLL,S,1
D,ALL,UX
D,ALL,UY
D,ALL,UZ


!!!!定义约束方程：
CMSEL,S,SLINE
NSLL,S,1
CEINTF,,UX,UY,UZ !!!一定要记住，这里有两个逗号！！！
ALLSEL,ALL

ALLSEL,ALL

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ALLSEL,ALL
/SOLU
ACEL,,980

SOLVE