[转帖]国内第一座悬索拱桥简化结构模型

aspen · 发表于 2005-7-1 09:40

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<a href="http://www.vib.sdu.edu.cn/bbs/bmb/upload/month20054/forum1089747446_f_44_0_1112950091.jpg" target="_blank" ><IMG src="http://www.vib.sdu.edu.cn/bbs/bmb/upload/month20054/forum1089747446_f_44_0_1112950091.jpg" border=0></A> 下面的命令流为国内第一座悬索拱桥简化结构模型，由与涉及技术问题，仅给出其去掉悬索后的拱桥模型 /filname,suspension-arch bridge /units,si /config,nres,3000 /prep7 /title,analysis on siesmic-response of suspension-arch bridge !define materials et,1,beam44 !et,2,beam189 et,2,link180 keyopt,2,2,0 keyopt,2,10,0 et,3,link10 keyopt,3,2,2 keyopt,3,3,0 !the 30# concrete material MP,EX,1,3.0E10 MP,nuxy,1,0.1666667 MP,dens,1,2600 MP,alpx,1,1.0e-5 !the 40# concrete material MP,EX,2,3.25E10 MP,nuxy,2,0.1666667 MP,dens,2,2600 MP,alpx,2,1.0e-5 !the 50# concrete material MP,EX,3,3.45E10 MP,nuxy,3,0.1666667 MP,dens,3,2600 MP,alpx,3,1.0e-5 !the 60# concrete material MP,EX,4,3.6E10 MP,nuxy,4,0.1666667 MP,dens,4,2600 MP,alpx,4,1.0e-5 !steels & bars Mp,ex,5,2.0E11 MP,nuxy,5,0.3 MP,dens,5,7850 MP,alpx,5,1.2e-5 Mp,ex,6,2.0E11 MP,nuxy,6,0.3 MP,dens,6,0.1 MP,alpx,6,1.2e-5 R,9,9.1800,51.265,11.897,1.5000,3.5000,32.355,8.2800,35.718,10.472,1.5000,3.0500,26.963 R,10,8.0200,31.867,10.060,1.5000,2.9200,25.392,6.7800,17.079,8.0967,1.5000,2.3000,18.128 R,11,6.7800,17.079,8.0967,1.5000,2.3000,18.128,7.0834,11.546,6.1400,1.5000,1.9800,14.437 R,12,6.1400,11.546,7.0834,1.5000,1.9800,14.437,6.0600,10.946,6.9567,1.5000,1.9400,13.986 R,13,6.0600,10.946,6.9567,1.5000,1.9400,13.986,6.0200,10.653,6.8934,1.5000,1.9200,13.759 R,14,6.0200,10.653,6.8934,1.5000,1.9200,13.759,5.8600,9.5285,6.6400,1.5000,1.8400,12.861 R,15,5.8600,9.5285,6.6400,1.5000,1.8400,12.861,5.7200,8.6066,6.4184,1.5000,1.7700,12.209 R,16,5.7200,8.6066,6.4184,1.5000,1.7700,12.207,5.6800,8.3535,6.3550,1.5000,1.7500,11.985 R,17,5.6800,8.3535,6.3550,1.5000,1.7500,11.985,5.6800,8.3535,6.3550,1.5000,1.7500,11.985 R,18,0.14400,0.24008E-01,0.16801,1.5090,0.50900,0.39291E-01,0.14400,0.24008E-01,0.16801,1.5090,0.50900,0.39291E-01 R,19,0.11340E-02,0.10235E-06,0.10234E-06,0.18920E-01,0.18998E-01,0.20469E-06,0.11340E-02,0.10235E-06,0.10234E-06,0.18920E-01,0.18998E-01,0.20469E-06 R,20,1.0528,0.43314E-01,1.0878,1.4075,0.40750,0.86639E-01,1.0528,0.43314E-01,1.0878,1.4075,0.40750,0.86639E-01 R,22,0.0023955,0.0005 R,23,0.0119775,0.00473 R,24,0.0193,150.54 !diagonal support R,25,0.0310,241.8 !straight support R,26,1.2000,0.22500,0.64000E-01,0.40000,0.75000,0.17124,1.2000,0.22500,0.64000E-01,0.40000,0.75000,0.17124 R,27,12.500,26.042,6.5104,1.2500,2.5000,17.950 ,12.500,26.042,6.5104,1.2500,2.5000,17.950 R,28,0.60000,0.18000E-01,0.50000E-01,0.50000,0.30000,0.45389E-01,0.60000,0.18000E-01,0.50000E-01,0.50000,0.30000,0.45389E-01 R,29,3.6600,0.10980,11.349,3.0500,0.30000,0.41244,3.6600,0.10980,11.349,3.0500,0.30000,0.41244 R,30,0.01198,94.5 R,31,0.0955,744.9 R,32,0.30964E-01,241.5192 R,33,0.20207E-01,157.6146 R,34,0.008404,66 R,35,0.01525,120 R,36,0.005121,40.2 R,37,31.500,212.63,32.156,1.7500,4.5000,97.456,84.000,4032.0,85.750,1.7500,12.000,311.79 R,38,4.5000,3.3750,0.84375,0.75000,1.5000,2.3263 ,4.5000,3.3750,0.84375,0.75000,1.5000,2.3263 *do,i,1,12,1 n,178+i,-96+(i-1)*8,46.5349-0.00002*(-96+(i-1)*8)**3-0.0072*(-96+(i-1)*8)**2-0.8167*(-96+(i-1)*8),10 n,190+i,464-(i-1)*8,46.5349+0.00002*(96-(i-1)*8)**3-0.0072*(96-(i-1)*8)**2+0.8167*(96-(i-1)*8),10 n,202+i,-96+(i-1)*8,46.5349-0.00002*(-96+(i-1)*8)**3-0.0072*(-96+(i-1)*8)**2-0.8167*(-96+(i-1)*8),-10 n,214+i,464-(i-1)*8,46.5349+0.00002*(96-(i-1)*8)**3-0.0072*(96-(i-1)*8)**2+0.8167*(96-(i-1)*8),-10 *enddo *do,i,1,45,1 n,226+i,(i+1)*4,52.031+0.6798*(i+1)*4-0.0019*((i+1)*4)**2+0.0000003*((i+1)*4)**3,10 n,315+i,(i+1)*4,52.031+0.6798*(i+1)*4-0.0019*((i+1)*4)**2+0.0000003*((i+1)*4)**3,-10 n,404+i,(i+1)*4,40.96+0.8443*(i+1)*4-0.0032*((i+1)*4)**2+0.000004*((i+1)*4)**3,10 n,493+i,(i+1)*4,40.96+0.8443*(i+1)*4-0.0032*((i+1)*4)**2+0.000004*((i+1)*4)**3,-10 *enddo *do,i,1,44,1 n,271+i,184+4*i,52.031-0.6798*(4*i-184)-0.0019*(4*i-184)**2-0.0000003*(4*i-184)**3,10 n,360+i,184+4*i,52.031-0.6798*(4*i-184)-0.0019*(4*i-184)**2-0.0000003*(4*i-184)**3,-10 n,449+i,184+4*i,40.96-0.8443*(4*i-184)-0.0032*((4*i-184))**2-0.000004*((4*i-184))**3,10 n,538+i,184+4*i,40.96-0.8443*(4*i-184)-0.0032*(4*i-184)**2-0.000004*(4*i-184)**3,-10 *enddo !side longitudinal girder of side-span *do,i,1,23,1 n,582+i,-96+(i-1)*4,77.5,10 n,605+i,464-(i-1)*4,77.5,10 n,628+i,-96+(i-1)*4,77.5,-10 n,651+i,464-(i-1)*4,77.5,-10 *enddo !side longitudinal girderof mid-span *do,i,1,89,1 n,674+i,8+(i-1)*4,77.5,10 n,763+i,8+(i-1)*4,77.5,-10 *enddo !mid longitudinal girder of side-span *do,i,1,23,1 n,852+i,-96+(i-1)*4,77.5,0 n,875+i,464-(i-1)*4,77.5,0 *enddo !mid longitudinal girderof mid-span *do,i,1,89,1 n,898+i,(i+1)*4,77.5,0 *enddo ! !cross girder of side span *do,i,1,12,1 n,987+i,-96+(i-1)*8,76.45,10 n,999+i,464-(i-1)*8,76.45,10 n,1011+i,-96+(i-1)*8,76.45,-10 n,1023+i,464-(i-1)*8,76.45,-10 *enddo *do,i,1,45,1 n,1035+i,i*8,76.45,10 n,1080+i,i*8,76.45,-10 n,1149+i,i*8,76.45,0 *enddo *do,i,1,12,1 n,1125+i,-96+(i-1)*8,76.45,0 n,1137+i,464-(i-1)*8,76.45,0 *enddo !cross-stiff mid nodes between side arch n,1195,-72,75.47756,0 n,1196,-48,71.35964,0 n,1197,-24,62.26508,0 n,1198,440,75.47756,0 n,1199,416,71.35964,0 n,1200,392,62.26508,0 !cross-stiff mid nodes between main arch !cross-stiff mid nodes between main arch upper lab n,1201,24,67.2559472,0 n,1202,68,89.5661296,0 n,1203,88,97.3442416,0 n,1204,112,104.7564784,0 n,1205,132,109.3489904,0 n,1206,156,112.9803248,0 n,1207,180,114.5846,0 n,1208,188,114.5846,0 n,1209,212,112.9803248,0 n,1210,236,109.3489904,0 n,1211,256,104.7564784,0 n,1212,280,97.3442416,0 n,1213,300,89.5661296,0 n,1214,344,67.2559472,0 !cross-stiff mid nodes between main arch upper lab n,1215,24,59.435296,0 n,1216,68,84.833328,0 n,1217,88,93.203488,0 n,1218,112,101.000512,0 n,1219,132,105.850672,0 n,1220,156,109.981264,0 n,1221,180,112.582,0 n,1222,188,112.582,0 n,1223,212,109.981264,0 n,1224,236,105.850672,0 n,1225,256,101.000512,0 n,1226,280,93.203488,0 n,1227,300,84.833328,0 n,1228,344,59.435296,0 !arch support stiff-arms n,1,0,56.167,10 n,10,368,56.167,10 n,19,0,56.167,-10 n,28,368,56.167,-10 n,1229,0,47.167,10 n,1230,368,47.167,10 n,1231,0,47.167,-10 n,1232,368,47.167,-10 n,1233,0,77.5,10 n,1234,368,77.5,10 n,1235,0,77.5,-10 n,1236,368,77.5,-10 n,1237,-96,60,10 n,1238,464,60,10 n,1239,-96,60,-10 n,1240,464,60,-10 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !towers type,1 mat,2 real,38 e,1237,179 e,1238,191 e,1239,203 e,1240,215 !side arches type,1 mat,3 *do,i,1,11,1 *if,i,le,8,then real,18-i *elseif,i,gt,8,then real,9 *endif e,178+i,179+i e,190+i,191+i e,202+i,203+i e,214+i,215+i *enddo !main arch mat,5 real,18 *do,i,1,88,1 e,226+i,227+i e,315+i,316+i e,404+i,405+i e,493+i,494+i *enddo real,19 *do,i,1,44,1 e,226+i,405+i e,271+i,448+i e,315+i,494+i e,360+i,537+i *enddo *do,i,1,89,1 e,226+i,404+i e,315+i,493+i *enddo !longitudinal girders mat,1 *do,i,1,22,1 real,28 e,582+i,583+i e,605+i,606+i e,628+i,629+i e,651+i,652+i real,29 e,852+i,853+i e,875+i,876+i *enddo *do,i,1,88,1 real,28 e,674+i,675+i e,763+i,764+i real,29 e,898+i,899+i *enddo real,28 e,605,1233 e,1233,675 e,763,1234 e,1234,628 e,651,1235 e,1235,764 e,852,1236 e,1236,674 real,29 e,875,899 e,898,987 !elements of cross girder mat,4 real,26 *do,i,1,11,1 e,988+i,1126+i e,1000+i,1138+i e,1012+i,1126+i e,1024+i,1138+i *enddo *do,i,1,45,1 e,1035+i,1149+i e,1080+i,1149+i *enddo real,27 e,988,1126 e,1000,1138 e,1012,1126 e,1024,1138 !diagnal stiffness of longitudinal type,2 mat,5 real,30 *do,i,2,22,2 e,581+i,852+i e,582+i,852+i e,583+i,852+i e,604+i,875+i e,605+i,875+i e,606+i,875+i e,627+i,852+i e,628+i,852+i e,629+i,852+i e,650+i,875+i e,651+i,875+i e,652+i,875+i *enddo *do,i,2,88,2 e,673+i,898+i e,674+i,898+i e,675+i,898+i e,762+i,898+i e,763+i,898+i e,764+i,898+i *enddo !!!!!!!!!!!!!!!!!!!!! !spars of main arch type,3 real,22 *do,i,1,35,1 e,413+i*2,1040+i e,502+i*2,1085+i *enddo !elements of vertical column type,1 mat,3 real,20 *do,i,1,12,1 e,178+i,987+i e,202+i,1011+i e,190+i,999+i e,214+i,1023+i *enddo *do,i,1,5,1 e,225+2*i,1035+i e,314+2*i,1080+i e,305+2*i,1075+i e,394+2*i,1120+i *enddo !!!!!!!!*************** real,16 e,1,1233 e,10,1234 e,19,1235 e,28,1236 ! ! !elements of cross-stiff between main arch type,2 mat,5 real,31 *do,i,1,3,1 e,178+3*i,1194+i e,179+3*i,1194+i e,180+3*i,1194+i e,202+3*i,1194+i e,203+3*i,1194+i e,204+3*i,1194+i e,190+3*i,1197+i e,191+3*i,1197+i e,192+3*i,1197+i e,214+3*i,1197+i e,215+3*i,1197+i e,216+3*i,1197+i *enddo real,32 e,231,1201 e,320,1201 e,409,1215 e,498,1215 e,242,1202 e,331,1202 e,420,1216 e,509,1216 e,247,1203 e,336,1203 e,425,1217 e,514,1217 e,253,1204 e,342,1204 e,431,1218 e,520,1218 e,258,1205 e,347,1205 e,436,1219 e,525,1219 e,264,1206 e,353,1206 e,442,1220 e,531,1220 e,270,1207 e,359,1207 e,448,1221 e,537,1221 e,272,1208 e,361,1208 e,450,1222 e,539,1222 e,278,1209 e,367,1209 e,456,1223 e,545,1223 e,284,1210 e,373,1210 e,462,1224 e,551,1224 e,289,1211 e,378,1211 e,467,1225 e,556,1225 e,295,1212 e,384,1212 e,473,1226 e,562,1226 e,300,1213 e,389,1213 e,478,1227 e,567,1227 e,311,1214 e,400,1214 e,489,1228 e,578,1228 real,33 *do,i,1,2,1 e,225+4*i,1201 e,314+4*i,1201 e,403+4*i,1215 e,492+4*i,1215 *enddo e,1201,1215 *do,i,1,3,1 e,227+2*i,1215 e,316+2*i,1215 e,405+2*i,1201 e,494+2*i,1201 *enddo e,244,1202 e,333,1202 e,422,1216 e,511,1216 e,1202,1216 *do,i,1,2,1 e,240+2*i,1216 e,329+2*i,1216 e,418+2*i,1202 e,507+2*i,1202 *enddo *do,i,1,2,1 e,241+4*i,1203 e,330+4*i,1203 e,419+4*i,1217 e,508+4*i,1217 *enddo e,1203,1217 *do,i,1,3,1 e,243+2*i,1217 e,332+2*i,1217 e,421+2*i,1203 e,510+2*i,1203 *enddo *do,i,1,2,1 e,247+4*i,1204 e,336+4*i,1204 e,425+4*i,1218 e,514+4*i,1218 *enddo e,1204,1218 *do,i,1,3,1 e,249+2*i,1218 e,338+2*i,1218 e,427+2*i,1204 e,516+2*i,1204 *enddo *do,i,1,2,1 e,252+4*i,1205 e,341+4*i,1205 e,430+4*i,1219 e,519+4*i,1219 *enddo e,1205,1219 *do,i,1,3,1 e,254+2*i,1219 e,343+2*i,1219 e,432+2*i,1205 e,521+2*i,1205 *enddo *do,i,1,2,1 e,258+4*i,1206 e,347+4*i,1206 e,436+4*i,1220 e,525+4*i,1220 *enddo e,1206,1220 *do,i,1,3,1 e,260+2*i,1220 e,349+2*i,1220 e,438+2*i,1206 e,527+2*i,1206 *enddo e,268,1207 e,357,1207 e,446,1221 e,535,1221 e,1207,1221 *do,i,1,2,1 e,266+2*i,1221 e,355+2*i,1221 e,444+2*i,1207 e,533+2*i,1207 *enddo e,274,1208 e,363,1208 e,452,1222 e,541,1222 e,1208,1222 *do,i,1,2,1 e,270+2*i,1222 e,359+2*i,1222 e,448+2*i,1208 e,537+2*i,1208 *enddo *do,i,1,2,1 e,272+4*i,1209 e,361+4*i,1209 e,450+4*i,1223 e,539+4*i,1223 *enddo e,1209,1223 *do,i,1,3,1 e,274+2*i,1223 e,363+2*i,1223 e,452+2*i,1209 e,541+2*i,1209 *enddo *do,i,1,2,1 e,278+4*i,1210 e,367+4*i,1210 e,456+4*i,1224 e,545+4*i,1224 *enddo e,1210,1224 *do,i,1,3,1 e,280+2*i,1224 e,369+2*i,1224 e,458+2*i,1210 e,547+2*i,1210 *enddo *do,i,1,2,1 e,283+4*i,1211 e,372+4*i,1211 e,461+4*i,1225 e,550+4*i,1225 *enddo e,1211,1225 *do,i,1,3,1 e,285+2*i,1225 e,374+2*i,1225 e,463+2*i,1211 e,552+2*i,1211 *enddo *do,i,1,2,1 e,289+4*i,1212 e,378+4*i,1212 e,467+4*i,1226 e,556+4*i,1226 *enddo e,1212,1226 *do,i,1,3,1 e,291+2*i,1226 e,380+2*i,1226 e,469+2*i,1212 e,558+2*i,1212 *enddo e,298,1213 e,387,1213 e,476,1227 e,565,1227 e,1213,1227 *do,i,1,2,1 e,296+2*i,1227 e,385+2*i,1227 e,474+2*i,1213 e,563+2*i,1213 *enddo *do,i,1,2,1 e,305+4*i,1214 e,394+4*i,1214 e,483+4*i,1228 e,572+4*i,1228 *enddo e,1214,1228 *do,i,1,3,1 e,307+2*i,1228 e,396+2*i,1228 e,485+2*i,1214 e,574+2*i,1214 *enddo ! !stiffness between cross girders *do,i,1,11,1 real,34 e,987+i,988+i e,999+i,1000+i e,1011+i,1012+i e,1023+i,1024+i real,35 e,1125+i,1126+i e,1137+i,1138+i *enddo *do,i,1,44,1 real,34 e,1035+i,1036+i e,1080+i,1081+i real,35 e,1149+i,1150+i *enddo real,36 *do,i,1,11,1 e,1011+i,1126+i e,1012+i,1125+i e,987+i,1126+i e,988+i,1125+i e,1023+i,1138+i e,1024+i,1137+i e,999+i,1138+i e,1000+i,1137+i *enddo *do,i,1,44,1 e,1035+i,1150+i e,1036+i,1149+i e,1080+i,1150+i e,1081+i,1149+i *enddo ! !arch support stiff-arms type,1 mat,2 real,37 e,1,1229 e,1,190 e,1,405 e,1,227 e,10,1230 e,10,315 e,10,202 e,10,493 e,19,1231 e,19,214 e,19,316 e,19,494 e,28,1232 e,28,226 e,28,404 e,28,582 ! !cable type,3 mat,6 real,23 e,179,191 e,203,215

aspen · 发表于 2005-7-1 09:40

!couple nodes ! !converse-girder and longitude-girder *do,i,1,12,1 cp,next,uy,999+i,604+2*i cp,next,uz,999+i,604+2*i cp,next,rotx,999+i,604+2*i cp,next,roty,999+i,604+2*i cp,next,uy,1023+i,650+2*i cp,next,uz,1023+i,650+2*i cp,next,rotx,1023+i,650+2*i cp,next,roty,1023+i,650+2*i cp,next,uy,1137+i,874+2*i cp,next,uz,1137+i,874+2*i cp,next,rotx,1137+i,874+2*i cp,next,roty,1137+i,874+2*i cp,next,uy,987+i,581+2*i cp,next,uz,987+i,581+2*i cp,next,rotx,987+i,581+2*i cp,next,roty,987+i,581+2*i cp,next,uy,1011+i,627+2*i cp,next,uz,1011+i,627+2*i cp,next,rotx,1011+i,627+2*i cp,next,roty,1011+i,627+2*i cp,next,uy,1125+i,851+2*i cp,next,uz,1125+i,851+2*i cp,next,rotx,1125+i,851+2*i cp,next,roty,1125+i,851+2*i *enddo !cp,next,all,179,583 !cp,next,all,203,629 !cp,next,all,853,1126 *do,i,1,45,1 cp,next,uy,1035+i,673+2*i cp,next,uz,1035+i,673+2*i cp,next,rotx,1035+i,673+2*i cp,next,roty,1035+i,673+2*i cp,next,rotz,1035+i,673+2*i cp,next,uy,1080+i,762+2*i cp,next,uz,1080+i,762+2*i cp,next,rotx,1080+i,762+2*i cp,next,roty,1080+i,762+2*i cp,next,rotz,1080+i,762+2*i cp,next,uy,1149+i,897+2*i cp,next,uz,1149+i,897+2*i cp,next,rotx,1149+i,897+2*i cp,next,roty,1149+i,897+2*i cp,next,rotz,1149+i,897+2*i *enddo

phpkevin · 发表于 2005-11-6 16:17

太好了
还有大跨悬索桥的分析例子吗
多找一点
先谢了[em01][em01][em01][em01]

z3487569 · 发表于 2010-6-2 22:12

一楼的，要是你能把整个发上来，那该多好啊！用来参考学习一下

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[综合讨论] [转帖]国内第一座悬索拱桥简化结构模型

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桥梁结构健康检测与评估方法发展现状综述