1模型简介模型以壳单元shell63为主，横梁采用beam44单元，吊杆采用link10单元，横梁、吊杆与拱肋的连接采用节点耦合的方式。

不考虑纵坡和横披。

111213141516X Y ZROTCPACEL图1 三维图111213141516X Y Z 图2 正立面图2建模命令流finish/clear/config,nproc,2/prep7!双核运行!材料!钢材EX,1,2.06e11PRXY ,1,0.3DENS,1,7800MPDA TA,ALPX,1,,1.2e-5!吊杆钢材EX,2,2.06e11PRXY ,2,0.3DENS,2,7800MPDA TA,ALPX,2,,1.2e-5!桥面钢材包括铺装层重量EX,3,2.06e11PRXY,3,0.3DENS,3,7800*3MPDA TA,ALPX,3,,1.2e-5!单元ET,1,plane82ET,2,shell63!设置shell63关键字KEYOPT,2,1,0KEYOPT,2,2,0KEYOPT,2,3,0KEYOPT,2,5,2KEYOPT,2,6,0KEYOPT,2,7,0KEYOPT,2,8,0KEYOPT,2,9,0KEYOPT,2,11,0et,3,beam189!设置beam189关键字KEYOPT,3,1,1KEYOPT,3,2,0KEYOPT,3,4,2KEYOPT,3,6,3KEYOPT,3,7,2KEYOPT,3,8,3KEYOPT,3,9,3KEYOPT,3,10,0KEYOPT,3,11,0KEYOPT,3,12,0ET,4,solid45et,5,link10r,1,0.010r,2,0.016r,3,0.02r,4,0.04!建立各种截面!钢横梁!HL1/HL3a=1.0b=0.680th=0.02ts=0.016RECTNG,-a/2,a/2,-b/2,b/2, RECTNG,-a/2+ts,a/2-ts,-b/2+th,b/2-th,RECTNG,-a/2+ts,-a/2+ts+0.16,-0.01,0.01, RECTNG,a/2-ts,a/2-ts-0.16,-0.01,0.01, RECTNG,-0.01,0.01,-b/2+0.02,-b/2+0.02+0.16, RECTNG,-0.01,0.01,b/2-0.02-0.16,b/2-0.02, AGLUE,allwprot,0,90,0wpoff,0,0,-b/2+thASBW,allwpoff,0,0,b/2-th-0.01ASBW,allwpoff,0,0,0.02ASBW,allwpoff,0,0,b/2-th-0.01ASBW,allwprot,0,0,90wpoff,0,0,-a/2+tsASBW,allwpoff,0,0,a-2*tsASBW,allwpoff,0,0,-a/2+ts+0.01ASBW,allwpoff,0,0,-0.02ASBW,allESIZE,0.3,0,amesh,allSECWRITE,sec3SECTYPE,3,BEAM,MESH, SECOFFSET,CENT,,,SECREAD,'sec3','SECT',' ',MESHaclear,allADELE,all, , ,1WPCSYS,-1,0!HL2!吊杆SECTYPE, 4, BEAM, CTUBE, , 0 SECOFFSET, CENTSECDA TA,0.032,0.04,,0,0,0,0,0,0,0!建立跨中截面所有线k,1,0,-2.058,0+5.45k,2,0,-2,0+5.45k,,0,-1.6,0+5.45k,,0,-0.8,0+5.45k,,0,-0.4,0+5.45k,,0,-1.6,0.108+5.45k,,0,-1.2,0.108+5.45k,,0,-0.8,0.108+5.45k,,0,-0.4,0.108+5.45k,,0,-2.541661,0.200339+5.45 k,,0,-2.37,0.576+5.45k,,0,-1.6,0.576+5.45k,,0,-1.2,0.576+5.45k,,0,-0.8,0.576+5.45k,,0,-0.4,0.576+5.45k,,0,-2.742,0.684+5.45k,,0,-2.37,0.684+5.45k,,0,-2,0.684+5.45k,,0,-1.6,0.684+5.45k,,0,-1.2,0.684+5.45k,,0,-0.8,0.684+5.45k,,0,-0.4,0.684+5.45k,,0,0,0.684+5.45k,,0,0,0+5.45*do,i,1,5,1l,i,i+1*enddol,6,25*do,i,17,24,1l,i,i+1*enddo*do,i,3,6,1l,i,i+4*enddo*do,i,20,23,1l,i,i-7*enddol,18,12larc,1,17,11l,2,19!建立拖拉的路径线k,26,-40,0,0+5.45l,25,26!拖拉成箱梁*do,i,1,25,1ADRAG,i, , , , , ,26*enddoallselNUMMRG,KP, , , ,LOWwprot,0,0,90*do,i,1,15,1wpoff,0,0,-2.5ASBW,all*enddo!通过循环生成横隔板，选择封闭的为轮廓线来生成!生成矩形部分*do,i,0,16,1lsel,s,loc,x,-2.5*i-0.001,-2.5*i+0.001lsel,r,loc,y,-2.001,0.001lsel,u,loc,z,0.001+5.45,0.2+5.45lsel,u,loc,z,0.683+5.45,0.6+5.45al,all*enddo!生成扇形部分*do,i,0,16,1lsel,s,loc,x,-2.5*i-0.001,-2.5*i+0.001lsel,r,loc,y,-1.999,-2.749lsel,u,loc,z,0.683+5.45,0.6+5.45al,all*enddoallsel!多次分割WPCSYS,-1,0asel,u,loc,z,0.001+5.45,0.2+5.45asel,u,loc,z,0.683+5.45,0.6+5.45wprot,0,90,0*do,i,1,6,1KWPA VE,iasbw,all*enddoKWPA VE,18asbw,allallselWPA VE,0,0,0wpoff,0,0,0.2asbw,allwpoff,0,0,1.58asbw,allallselWPCSYS,-1,0KWPA VE,10asbw,allKWPA VE,16asbw,allWPCSYS,-1,0wpoff,0,0,0.2+5.45asbw,allwpoff,0,0,0.268asbw,all!删除需要空心的地方*do,j,0,3*do,i,1,3,1asel,s,loc,x,-2.5*(i+4*j)-0.001,-2.5*(i+4*j)+0.001 asel,r,loc,z,0.2+5.45,0.2+0.268+5.45asel,r,loc,y,-0.2,-0.2-1.580ADELE,all, , ,1*enddo*enddoallselaglue,allNUMMRG,KP, , , ,LOWNUMCMP,KPNUMCMP,LINENUMCMP,AREAWPCSYS,-1,0!建立壳单元拱肋!上拱肋跨中断面关键点k,10100,0,-3.25-0.5,-0.35+10.1k,10101,0,-3.25-0.5,0+10.1k,10102,0,-3.25-0.5,0.35+10.1k,10103,0,-3.25-0.34,0+10.1k,10104,0,-3.25-0.25,-0.35+10.1k,10105,0,-3.25-0.25,-0.19+10.1k,10106,0,-3.25-0.25,0.19+10.1k,10107,0,-3.25-0.25,0.35+10.1k,10108,0,-3.25-0.16,0+10.1k,10109,0,-3.25+0,-0.35+10.1k,10110,0,-3.25+0,0+10.1k,10111,0,-3.25+0,0.35+10.1k,10112,0,-3.25+0.16,0+10.1k,10113,0,-3.25+0.25,-0.35+10.1k,10114,0,-3.25+0.25,-0.19+10.1k,10115,0,-3.25+0.25,0.19+10.1 k,10116,0,-3.25+0.25,0.35+10.1 k,10117,0,-3.25+0.34,0+10.1 k,10118,0,-3.25+0.5,-0.35+10.1 k,10119,0,-3.25+0.5,0+10.1 k,10120,0,-3.25+0.5,0.35+10.1 !下拱肋跨中断面关键点k,10200,0,-3.25-0.5,-0.35+5 k,10201,0,-3.25-0.5,0+5k,10202,0,-3.25-0.5,0.35+5k,10203,0,-3.25-0.34,0+5k,10204,0,-3.25+0,-0.35+5k,10205,0,-3.25+0,-0.19+5k,10206,0,-3.25+0,0.19+5k,10207,0,-3.25+0,0.35+5k,10208,0,-3.25+0.34,0+5k,10209,0,-3.25+0.5,-0.35+5 k,10210,0,-3.25+0.5,0+5k,10211,0,-3.25+0.5,0.35+5!连成线NUMCMP,LINELSTR, 10118, 10113 LSTR, 10113, 10109 LSTR, 10109, 10104 LSTR, 10104, 10100 LSTR, 10100, 10101 LSTR, 10101, 10102 LSTR, 10102, 10107 LSTR, 10107, 10111 LSTR, 10111, 10116 LSTR, 10116, 10120 LSTR, 10120, 10119 LSTR, 10119, 10118 LSTR, 10111, 10110 LSTR, 10110, 10109 LSTR, 10116, 10115 LSTR, 10113, 10114 LSTR, 10119, 10117 LSTR, 10110, 10112 LSTR, 10107, 10106 LSTR, 10104, 10105 LSTR, 10101, 10103 LSTR, 10110, 10108LSTR, 10209, 10204LSTR, 10204, 10200LSTR, 10200, 10201LSTR, 10201, 10202LSTR, 10202, 10207LSTR, 10207, 10211LSTR, 10211, 10210LSTR, 10210, 10209LSTR, 10210, 10208LSTR, 10201, 10203LSTR, 10204, 10205LSTR, 10207, 10206!通过旋转生成面!建立上拱肋圆心关键点k,10300,0,0,-27.141k,10301,0,-3,-27.141!建立下拱肋圆心关键点k,10302,0,0,-67.525+5k,10303,0,-3,-67.525+5 WPCSYS,-1,0!上拱肋*do,i,2499,2520,1AROTA T, i,,,,,,10300,10301,43.21447, *enddo!下拱肋*do,i,2521,2532,1AROTA T, i,,,,,,10302,10303,22.18745, *enddo!拱脚的处理ASEL,S,LOC,Y,-3+0.251,-10 ALLSEL,BELOW,AREA NUMMRG,KP, , , ,LOW NUMCMP,KPNUMCMP,LINENUMCMP,AREANUMMRG,KP, , , SELE,LOW ASEL,R,LOC,Z,0,4.5wprot,0,90,0wpoff,0,0,3.00asbw,allwpoff,0,0,0.50asbw,allASEL,S,LOC,Y,-3+0.251,-10WPCSYS,-1,0wprot,0,0,90*do,i,1,5,1wpoff,0,0,-3asbw,all*enddoWPA VE,0,0,0*do,i,1,2,1wpoff,0,0,-10asbw,all*enddoasel,r,loc,x,-25,-20AOVLAP,1593,1625KWPLAN,-1, 1441, 1440, 1112ASBW,allasel,r,loc,x,-25,-23.5ADELE,all, , ,1ASEL,S,LOC,Y,-3+0.251,-10ALLSEL,BELOW,AREANUMMRG,KP, , , SELE,LOWWPCSYS,-1,0!拱脚加劲板LSTR, 1409, 1431al,2710,2703,2533LSTR, 1432, 1405al,3177,2536,2992!上拱肋横隔板*do,i,0,5,1lSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,5.001+0.35,10.101+0.35lsel,r,loc,x,-3*i-0.001,-3*i+0.001lsel,u,loc,y,-3.001,-2.999lsel,u,loc,y,-3.501,-3.499lsel,u,loc,z,10.1-(37.241-(37.241**2-(-3*i)**2)**0.5)-0.05,10.1-(37.241-(37.241**2-(-3*i)**2)** 0.5)+0.05lsel,r,loc,y,-2.749,-3.251al,alllSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,5.001+0.35,10.101+0.35lsel,r,loc,x,-3*i-0.001,-3*i+0.001lsel,u,loc,y,-3.001,-2.999lsel,u,loc,y,-3.501,-3.499lsel,u,loc,z,10.1-(37.241-(37.241**2-(-3*i)**2)**0.5)-0.05,10.1-(37.241-(37.241**2-(-3*i)**2)** 0.5)+0.05lsel,r,loc,y,-3.249,-4al,all*enddoi=1lSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,5.001,10.101+0.35lsel,r,loc,x,-10*i-0.001,-10*i+0.001lsel,u,loc,y,-3.001,-2.999lsel,u,loc,y,-3.501,-3.499lsel,u,loc,z,10.1-(37.241-(37.241**2-(-10*i)**2)**0.5)-0.05,10.1-(37.241-(37.241**2-(-10*i)**2) **0.5)+0.05lsel,r,loc,y,-2.749,-3.251al,alllSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,5.001,10.101+0.35lsel,r,loc,x,-10*i-0.001,-10*i+0.001lsel,u,loc,y,-3.001,-2.999lsel,u,loc,y,-3.501,-3.499lsel,u,loc,z,10.1-(37.241-(37.241**2-(-10*i)**2)**0.5)-0.05,10.1-(37.241-(37.241**2-(-10*i)**2) **0.5)+0.05lsel,r,loc,y,-3.249,-4al,alli=2lSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,3.8,10.101+0.35lsel,r,loc,x,-10*i-0.001,-10*i+0.001lsel,u,loc,y,-3.001,-2.999lsel,u,loc,y,-3.501,-3.499lsel,u,loc,z,10.1-(37.241-(37.241**2-(-10*i)**2)**0.5)-0.05,10.1-(37.241-(37.241**2-(-10*i)**2) **0.5)+0.05lsel,r,loc,y,-2.749,-3.251al,alllSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,3.8,10.101+0.35lsel,r,loc,x,-10*i-0.001,-10*i+0.001lsel,u,loc,y,-3.001,-2.999lsel,u,loc,y,-3.501,-3.499lsel,u,loc,z,10.1-(37.241-(37.241**2-(-10*i)**2)**0.5)-0.05,10.1-(37.241-(37.241**2-(-10*i)**2) **0.5)+0.05lsel,r,loc,y,-3.249,-4al,all!下拱肋横隔板*do,i,0,5,1lSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,5-(67.525-(67.525**2-(-3*i)**2)**0.5)-0.6,5-(67.525-(67.525**2-(-3*i)**2)**0.5)+0. 6lsel,r,loc,x,-3*i-0.001,-3*i+0.001lsel,u,loc,y,-3.251,-3.249lsel,u,loc,z,5-(67.525-(67.525**2-(-3*i)**2)**0.5)-0.05,5-(67.525-(67.525**2-(-3*i)**2)**0.5)+ 0.05al,all*enddo*do,i,10,20,10lSEL,S,LOC,Y,-3+0.251,-10lsel,r,loc,z,5-(67.525-(67.525**2-(-i)**2)**0.5)-0.6,5-(67.525-(67.525**2-(-i)**2)**0.5)+0.6 lsel,r,loc,x,-i-0.001,-i+0.001lsel,u,loc,y,-3.251,-3.249lsel,u,loc,z,5-(67.525-(67.525**2-(-i)**2)**0.5)-0.05,5-(67.525-(67.525**2-(-i)**2)**0.5)+0.05 al,all*enddoallsel!删除上拱肋多余部分asel,s,loc,y,-3.251,-10asel,r,loc,x,-12,-50KWPA VE, 1411asbw,allasel,r,loc,z,kz(997),20ADELE,all, , ,1asel,s,loc,y,-3.251,-10asel,r,loc,z,5.5,20ADELE,all, , ,1asel,s,loc,y,-2.749,-10NUMMRG,KP, , , SELE,LOW!建立新吊杆线LSTR, 1174, 1152LSTR, 1215, 1190LSTR, 1252, 1229LSTR, 1289, 1266LSTR, 1326, 1303LSTR, 1363, 1340FLST,5,6,4,ORDE,2FITEM,5,2501FITEM,5,-2506LSEL,R, , ,P51Xcm,diaogan,lineallsel!建立横梁线allselk,10001,0,0,kz(1158)k,10002,0,-2.73,kz(1158) k,10003,-10,0,kz(1387) k,10004,-10,-2.73,kz(1387) k,10005,-20,0,kz(1410) k,10006,-20,-2.73,kz(1410)l,10001,10002l,10003,10004l,10005,10006lsel,s,loc,z,-10,5.01lsel,r,loc,y,0,-2.73 WPCSYS,-1,0KWPA VE, 10001 wprot,0,90,0wpoff,0,0,1.6lsbw,allcm,hengliang,line!划分!划分横梁type,3mat,1real,1SECNUM,3esize,0.5lmesh,hengliang!划分吊杆allselTYPE,5mat,2real,1SECNUM,4esize,20lmesh,diaoganallsel!划分横隔板type,2mat,1*do,i,0,40,2.5asel,s,loc,x,-i+0.001,-i-0.001 asel,r,loc,y,0,-2.75 ALLSEL,BELOW,AREA LESIZE,all,0.25, , , , , , ,1 aclear,allamesh,all*enddo!划分纵隔板allselLESIZE,all, , ,-1, ,1asel,s,loc,y,-0.001,0.001 asel,a,loc,y,-2.001,-1.999 ALLSEL,BELOW,AREA LESIZE,all,0.4, , , , , , ,1 type,2mat,1real,3amesh,all!划分加劲肋asel,s,loc,y,-2.370,-2.370*do,i,0.4,1.6,0.4asel,a,loc,y,-i-0.001,-i+0.001 *enddoALLSEL,BELOW,AREA LESIZE,all, , ,-1, ,1 LESIZE,all,0.4, , , , , , ,1 type,2mat,1real,1amesh,allallsel!划分箱体外包面ASEL,S,MA T,,0asel,r,loc,y,0.001,-2.75+0.001 LESIZE,all, , ,-1, ,1 LESIZE,all,0.4, , , , , , ,1 real,2amesh,allallsel!拱肋划分allselLESIZE,all, , ,-1, ,1mat,1real,3esize,0.5asel,s,loc,y,-2.749,-10 amesh,allallsel!镜像生成全桥LSEL,S,TYPE,,3LSEL,a,TYPE,,5 LSYMM,Y,all, , , ,0,0 asel,s,loc,y,-0.001,-10 ARSYM,Y,all, , , ,0,0LSEL,S,TYPE,,3LSEL,a,TYPE,,5lsel,r,loc,x,-50,-0.001 LSYMM,x,all, , , ,0,0 asel,s,loc,x,-0.001,-50 ARSYM,x,all, , , ,0,0allselNUMMRG,NODE, , , ,LOW NUMMRG,KP, , , ,LOW NUMMRG,NODE,,, ,LOW !统一所有单元坐标allselcsys,0EMODIF,P51X,ESYS, ,!耦合横梁和箱梁!跨中nsel,s,loc,x,-0.001,0.001 nsel,r,loc,y,-1.601,-1.599n1=node(0,-1.60,0)nsel,u,,,n1n2=node(0,-1.60,0)nsel,a,,,n1cp,1,ux,n1,n2cp,next,uy,n1,n2cp,next,uz,n1,n2nsel,s,loc,x,-0.001,0.001 nsel,r,loc,y,1.601,1.599n1=node(0,1.60,0)nsel,u,,,n1n2=node(0,1.60,0)nsel,a,,,n1cp,next,ux,n1,n2cp,next,uz,n1,n2!H2横梁处nsel,s,loc,x,-10.001,-9.999 nsel,r,loc,y,-1.601,-1.599n1=node(0,-1.60,0) nsel,u,,,n1n2=node(0,-1.60,0) nsel,a,,,n1cp,next,uy,n1,n2cp,next,uz,n1,n2nsel,s,loc,x,-10.001,-9.999 nsel,r,loc,y,1.601,1.599n1=node(0,1.60,0)nsel,u,,,n1n2=node(0,1.60,0)nsel,a,,,n1cp,next,uz,n1,n2!H2'横梁处nsel,s,loc,x,10.001,9.999 nsel,r,loc,y,-1.601,-1.599n1=node(0,-1.60,0) nsel,u,,,n1n2=node(0,-1.60,0) nsel,a,,,n1cp,next,uy,n1,n2cp,next,uz,n1,n2nsel,s,loc,x,10.001,9.999 nsel,r,loc,y,1.601,1.599n1=node(0,1.60,0)nsel,u,,,n1n2=node(0,1.60,0)nsel,a,,,n1cp,next,uz,n1,n2!H1横梁处nsel,s,loc,x,-20.001,-19.999 nsel,r,loc,y,-1.601,-1.599n1=node(0,-1.60,0) nsel,u,,,n1n2=node(0,-1.60,0) nsel,a,,,n1cp,next,uy,n1,n2cp,next,uz,n1,n2nsel,s,loc,x,-20.001,-19.999 nsel,r,loc,y,1.601,1.599n1=node(0,1.60,0)nsel,u,,,n1n2=node(0,1.60,0)nsel,a,,,n1cp,next,uz,n1,n2!H1'横梁处nsel,s,loc,x,20.001,19.999 nsel,r,loc,y,-1.601,-1.599n1=node(0,-1.60,0) nsel,u,,,n1n2=node(0,-1.60,0) nsel,a,,,n1cp,next,uy,n1,n2cp,next,uz,n1,n2nsel,s,loc,x,20.001,19.999 nsel,r,loc,y,1.601,1.599n1=node(0,1.60,0)nsel,u,,,n1n2=node(0,1.60,0)nsel,a,,,n1cp,next,uz,n1,n2allsel!耦合横梁与拱肋!跨中横梁n1=node(0,-2.72,5)n2=node(-0.5,-2.75,5)n3=node(0.5,-2.75,5)n4=node(0,-2.75,5)n5=node(0,-2.75,5+0.35) cp,next,all,n1,n4n1=node(0,2.72,5)n2=node(-0.5,2.75,5)n3=node(0.5,2.75,5)n4=node(0,2.75,5)n5=node(0,2.75,5+0.35) cp,next,all,n1,n4!H2n1=node(-10,-2.72,4.255) n2=node(-10.5,-2.75,4.255) n3=node(-9.5,-2.75,4.255)n4=node(-10,-2.75,4.255)n5=node(-10,-2.75,4.255+0.35) cp,next,all,n1,n4n1=node(-10,2.72,4.255)n2=node(-10.5,2.75,4.255)n3=node(-9.5,2.75,4.255)n4=node(-10,2.75,4.255)n5=node(-10,2.75,4.255+0.35) cp,next,all,n1,n4n1=node(10,-2.72,4.255)n2=node(10.5,-2.75,4.255)n3=node(9.5,-2.75,4.255)n4=node(10,-2.75,4.255)n5=node(10,-2.75,4.255+0.35) cp,next,all,n1,n4n1=node(10,2.72,4.255)n2=node(10.5,2.75,4.255)n3=node(9.5,2.75,4.255)n4=node(10,2.75,4.255)n5=node(10,2.75,4.255+0.35) cp,next,all,n1,n4!H1n1=node(-20,-2.72,4.274)n2=node(-20.5,-2.75,4.274-0.35) n3=node(-20.5,-2.75,4.274+0.35) n4=node(-19.5,-2.75,4.274-0.35) n5=node(-19.5,-2.75,4.274+0.35) n6=node(-20,-2.75,4.274)n7=node(-20,-2.75,4.274+0.35) cp,next,all,n1,n6n1=node(-20,2.72,4.274)n2=node(-20.5,2.75,4.274-0.35) n3=node(-20.5,2.75,4.274+0.35) n4=node(-19.5,2.75,4.274-0.35) n5=node(-19.5,2.75,4.274+0.35) n6=node(-20,2.75,4.274)n7=node(-20,2.75,4.274+0.35) cp,next,all,n1,n6n1=node(20,-2.72,4.274)n2=node(20.5,-2.75,4.274-0.35) n3=node(20.5,-2.75,4.274+0.35) n4=node(19.5,-2.75,4.274-0.35) n5=node(19.5,-2.75,4.274+0.35) n6=node(20,-2.75,4.274)n7=node(20,-2.75,4.274+0.35)cp,next,all,n1,n6n1=node(20,2.72,4.274)n2=node(20.5,2.75,4.274-0.35)n3=node(20.5,2.75,4.274+0.35)n4=node(19.5,2.75,4.274-0.35)n5=node(19.5,2.75,4.274+0.35)n6=node(20,2.75,4.274)n7=node(20,2.75,4.274+0.35)cp,next,all,n1,n6! 施加约束nsel,s,loc,z,5,50D,node(-40,-1.60,0), , , , , ,UY,UZ, , , ,D,node(-40,1.60,0), , , , , ,Uz,, , , ,D,node(-30,-1.60,0), , , , , ,UY,UZ, , , ,D,node(-30,1.60,0), , , , , ,Uz,, , , ,D,node(30,-1.60,0), , , , , ,UY,UZ, , , ,D,node(30,1.60,0), , , , , ,Uz,, , , ,D,node(40,-1.60,0), , , , , ,UY,UZ, , , ,D,node(40,1.60,0), , , , , ,Uz,, , , ,nsel,s,loc,x,-25.366,-50nsel,r,loc,z,-10,0.256D,all, , , , , ,all,, , , ,nsel,s,loc,x,25.366,50nsel,r,loc,z,-10,0.256D,all, , , , , ,all,, , , ,allsel!修改桥面单元，使之重量包括铺装层重量asel,s,loc,z,6.133,6.135asel,r,loc,y,2.73,-2.73ALLSEL,BELOW,AREAEMODIF,all,MA T,3,allsel3影响线求解（静力法）!在给一排单元上施加-1000kN/m^2的均布荷载，每排单元在纵向上的长度为2.5/7m。