.!!连续梁桥/prep7et,1,4 !!!!定义梁单元et,2,21 !!!!定义mass21单元!!定义粱材料!!泊松比!!密度mp,ex,2,3.45e10 !!直线段梁材料和1M段梁材料mp,nuxy,2,0.2mp,dens,2,3302.153125mp,ex,3,3.45e10mp,nuxy,3,0.2mp,dens,3,3301.658695mp,ex,4,3.45e10mp,nuxy,4,0.2mp,dens,4,3299.906778mp,ex,5,3.45e10mp,nuxy,5,0.2mp,dens,5,3298.327219mp,ex,6,3.45e10mp,nuxy,6,0.2. mp,dens,6,3292.351605mp,ex,7,3.45e10mp,nuxy,7,0.2mp,dens,7,3284.137255mp,ex,8,3.45e10mp,nuxy,8,0.2mp,dens,8,3271.802136mp,ex,9,3.45e10mp,nuxy,9,0.2mp,dens,9,3260.41903mp,ex,10,3.45e10mp,nuxy,10,0.2mp,dens,10,3248.193657mp,ex,11,3.45e10mp,nuxy,11,0.2mp,dens,11,3235.117644mp,ex,12,3.45e10mp,nuxy,12,0.2mp,dens,12,3221.585664.mp,ex,13,3.45e10mp,nuxy,13,0.2mp,dens,13,3208.826871mp,ex,14,3.45e10mp,nuxy,14,0.2mp,dens,14,3194.279207mp,ex,15,3.45e10mp,nuxy,15,0.2mp,dens,15,3179.924673mp,ex,16,3.45e10mp,nuxy,16,0.2mp,dens,16,3166.445716mp,ex,17,3.45e10mp,nuxy,17,0.2mp,dens,17,3152.555731mp,ex,18,3.45e10mp,nuxy,18,0.2mp,dens,18,3138.312105mp,ex,19,3.45e10. mp,nuxy,19,0.2mp,dens,19,3124.795334mp,ex,20,3.45e10mp,nuxy,20,0.2mp,dens,20,3110.7135mp,ex,21,3.45e10mp,nuxy,21,0.2mp,dens,21,3097.080875mp,ex,22,3.45e10mp,nuxy,22,0.2mp,dens,22,3083.186268mp,ex,23,3.45e10mp,nuxy,23,0.2mp,dens,23,3068.968824mp,ex,24,3.45e10mp,nuxy,24,0.2mp,dens,24,3055.612436mp,ex,25,3.45e10mp,nuxy,25,0.2. mp,dens,25,3045.857147mp,ex,26,3.45e10mp,nuxy,26,0.2mp,dens,26,3035.174287mp,ex,27,3.45e10mp,nuxy,27,0.2mp,dens,27,3026.696551mp,ex,28,3.45e10mp,nuxy,28,0.2mp,dens,28,3015.795365mp,ex,29,3.45e10mp,nuxy,29,0.2mp,dens,29,3007.710181mp,ex,30,3.45e10mp,nuxy,30,0.2mp,dens,30,3000.513837mp,ex,31,3.45e10mp,nuxy,31,0.2mp,dens,31,2978.611375.mp,ex,32,3.45e10mp,nuxy,32,0.2mp,dens,32,2958.618861mp,ex,33,3.45e10mp,nuxy,33,0.2mp,dens,33,2937.888072mp,ex,34,3.45e10mp,nuxy,34,0.2mp,dens,34,2919.475751mp,ex,35,3.45e10mp,nuxy,35,0.2mp,dens,35,2903.359983 !!6700处mp,ex,36,3.45e10mp,nuxy,36,0.2mp,dens,36,3302.153125 !!可以不用mp,ex,37,3.45e10mp,nuxy,37,0.2mp,dens,37,3302.153125mp,ex,38,3.45e10 !!-700处梁.mp,nuxy,38,0.2mp,dens,38,3180.578901mp,ex,39,3.45e10 !!边支点横隔板mp,nuxy,39,0.2mp,dens,39,2868.674818mp,ex,40,3.45e10 !!合拢段横隔板mp,nuxy,40,0.2mp,dens,40,2868.674818mp,ex,41,3.45e10 !!中支点横隔板mp,nuxy,41,0.2mp,dens,41,2757.470588mp,ex,1,3.25e10 !!!!定义墩材料属性mp,nuxy,1,0.2mp,dens,1,2650!!定义实常数编号，面积，IYY，IZZ，宽，高，，RMORE，，抗扭惯距!!主梁截面r,1,11.851,28.52,215.151,16.95,4,, !!直线段rmore,,56.8972r,2,11.862,28.57,215.458,16.95,4.001,, !!截面100处r,3,11.871,28.91,215.622,16.95,4.009,, rmore,,57.345r,4,11.903,29.03,215.78,16.95,4.025,, rmore,,57.938r,5,11.932,29.626,215.88,16.95,4.049,, rmore,,58.502r,6,12.043,30.402,217.093,16.95,4.081,, rmore,,59.768r,7,12.199,31.407,218.899,16.95,4.121,, rmore,,61.445r,8,12.441,32.716,221.806,16.95,4.169,, rmore,,63.652r,9,12.673,34.21,224.418,16.95,4.226,, rmore,,66.058r,10,12.932,35.94,227.279,16.95,4.290,, rmore,,68.801r,11,13.221,37.941,230.512,16.95,4.362,, rmore,,71.948r,12,13.534,40.233,233.872,16.95,4.442,, rmore,,75.432r,13,13.843,42.747,237.133,16.95,4.530,,r,14,14.213,45.688,241.054,16.95,4.627,, rmore,,83.484r,15,14.598,48.964,245.004,16.95,4.731,, rmore,,88.155r,16,14.979,52.547,248.817,16.95,4.843,, rmore,,93.111r,17,15.393,56.562,252.927,16.95,4.963,, rmore,,98.528r,18,15.842,61.069,257.347,16.95,5.092,, rmore,,104.47r,19,16.293,65.992,261.673,16.95,5.228,, rmore,,110.742r,20,16.791,71.484,266.426,16.95,5.372,, rmore,,117.648r,21,17.303,77.568,271.225,16.95,5.525,, rmore,,124.861r,22,17.858,84.282,276.363,16.95,5.685,, rmore,,132.631r,23,18.464,91.768,281.923,16.95,5.854,, rmore,,141.068r,24,19.072,99.936,287.364,16.95,6.03,,r,25,19.524,108.482,291.159,16.95,6.214,, rmore,,158.46r,26,20.084,118.046,295.597,16.95,6.407,, rmore,,167.857r,27,20.536,128.202,298.9,16.95,6.607,, rmore,,177.137r,28,21.148,139.669,303.86,16.95,6.816,, rmore,,187.495r,29,21.626,151.737,307.186,16.95,7.032,, rmore,,197.507r,30,22.07,164.734,310.057,16.95,7.257,, rmore,,207.681r,31,23.541,182.225,323.433,16.95,7.490,, rmore,,223.527r,32,25.066,201.932,336.467,16.95,7.730,, rmore,,241.046r,33,26.871,223.700,351.448,16.95,7.979,, rmore,,257.765r,34,28.707,247.928,365.663,16.95,8.235,, rmore,,275.922r,35,30.533,274.36,378.934,16.95,8.500,,r,46,14.58,35.599,238.702,16.95,4,, rmore,,238.702!!横隔板截面!!边支点r,36,35.376,54.393,339.84,16.95,4.00,, rmore,,128.747!!合拢段r,37,35.376,53.405,339.84,16.95,4.00,, rmore,,127.015!!中支点r,38,71.981,454.871,543.871,16.95,8.5,, rmore,,684.565!!主墩截面!!截面1（实心）r,39,39.932,82.876,212.138,8,5,, rmore,,203.709!!截面（1/2空心）r,40,23.863,72.571,168.024,8,5,,!!截面3(空心）r,41,14.236,52.366,114.529,8,5,, rmore,,116.391!!边墩截面!!截面1（实心1）r,42,36.113,66.217,177.703,7.7,4.7,, rmore,,165.119!!截面2（空心1/2）r,43,20.753,35.743,99.711,7,4,, rmore,,88.486!!截面3（空心）r,44,9.103,16.082,45.911,6.5,3.5,, rmore,,39.39!!截面4（实心2）r,45,22.673,23.005,79.361,6.5,3.5,, rmore,,61.527!!截面5（1/2）空心2. r,49,16,21.958,68.708,6.5,3.5,, rmore,,55.682!!建立第一跨梁节点xl=atan(1.029/80)n,1,0,n,2,2.25,2.25*xln,3,6,6*xln,4,9,9*xln,5,11,11*xln,6,13,13*xl-0.0045n,7,15,15*xl-0.0135n,8,17,17*xl-0.023n,9,19,19*xl-0.038n,10,21,21*xl-0.062n,11,23,23*xl-0.092n,12,25,25*xl-0.1275n,13,27,27*xl-0.167n,14,29,29*xl-0.2115n,15,31,31*xl-0.261n,16,33,33*xl-0.314n,17,35,35*xl-0.3715. n,18,37,37*xl-0.435n,19,39,39*xl-0.502n,20,41,41*xl-0.5725n,21,43,43*xl-0.648n,22,45,45*xl-0.728n,23,47,47*xl-0.8115n,24,49,49*xl-0.8995n,25,51,51*xl-0.9925n,26,53,53*xl-1.0895n,27,55,55*xl-1.1905n,28,57,57*xl-1.325n,29,59,59*xl-1.433n,30,61,61*xl-1.5155n,31,63,63*xl-1.6325n,32,65,65*xl-1.7535n,33,67,67*xl-1.879n,34,69,69*xl-2.007n,35,71,71*xl-2.1325n,36,73,73*xl-2.2635n,37,75,75*xl-2.399n,38,77,77*xl-2.533n,39,79,79*xl-2.631xl2=atan(0.7/140)local,11,0,80,80*xl-2.631,0,xl2nsym,x,35,5,39,1 !!复制粱结点从5到39结点编号增加35 csys,0n,75,149.6,0.15852local,12,0,150,0.15852,0,xl2nsym,x,36,40,75,1local,13,0,220,-1.6027,0nsym,x,111,1,111,1csys,0n,500,80,80*xl-2.631n,501,220,-1.6027n,502,360,-1.6148csys,0 !!返回普通坐标!!建立墩结点!!PM112边墩截面n,300,0,-2.165 !!(实心）2米长n,301,0,-4.365n,302,0,-9.365 !!（1/2空心）5M长n,303,0,-13.365n,304,0,-17.365n,305,0,-21.365n,306,0,-24.93n,307,0,-28.93n,308,0,-30.63!!PM113主敦截面n,309,80,0.5-6.665-0.8n,310,80,0.5-3.5-6.665 !!(实心)3.5mn,311,80,0.5-8.5-6.665 !!(1/2空心）5m n,312,80,0.5-12.5-6.665 !!(空心）4Mn,313,80,0.5-16.5-6.665 !!n,314,80,0.5-18.594-6.665n,315,80,0.5-22.594-6.665n,316,80,0.5-24.594-6.665+0.4!(实心）2m!!pm114主墩截面n,350,220,0.5-6.665-0.8 !n,351,220,0.5-3.5-6.665 !!(1/2空心)5m n,352,220,0.5-8.5-6.665 !!(空心）5mn,353,220,0.5-12.5-6.665 !!(空心）6.064M n,354,220,0.5-16.5-6.665 !!(1/2空心）4Mn,355,220,0.5-19.294-6.665 !!(实心）2M n,356,220,0.5-23.294-6.665n,357,220,0.5-25.294-6.665+0.4local,13,0,220,-1.6027,0nsym,x,17,300,316,1csys,0!!生成边跨1mat,39real,36e,1,2mat,38real,46e,2,3mat,2real,1e,3,4e,4,5mat,2real,2. e,5,6*do,i,3,35,1mat,ireal,ie,3+i,4+i*enddo*do,i,3,35,1mat,ireal,ie,38+i,39+i*enddo*do,i,3,35,1mat,ireal,ie,74+i,75+i*enddo*do,i,3,35,1mat,ireal,i. e,114+i,115+i*enddo*do,i,3,35,1mat,ireal,ie,149+i,150+i*enddo*do,i,3,35,1mat,ireal,ie,185+i,186+i*enddomat,41real,38e,39,500mat,41real,38e,500,74mat,2real,2. e,41,40mat,2real,1e,40,75mat,40real,37e,75,111mat,2real,1e,111,76mat,2real,2e,76,77mat,41real,38e,110,501mat,41real,38. e,501,221mat,2real,2e,188,187mat,2real,1e,187,222mat,41real,37e,222,186mat,2real,1e,186,151mat,2real,2e,151,152mat,41real,38e,185,502.mat,41real,38e,502,150mat,39real,36e,112,113mat,38real,46e,113,114mat,2real,1e,114,115e,115,116mat,2real,2e,116,117!!建立桥墩!!边墩1real,42 e,300,301 mat,1 real,43 e,301,302 mat,1 real,44 e,302,303 mat,1 real,44 e,303,304 mat,1 real,44 e,304,305 mat,1 real,44 e,305,306 mat,1e,306,307 mat,1 real,45 e,307,308 !!主墩1 mat,1 real,39 e,309,310 mat,1 real,40 e,310,311 mat,1 real,41 e,311,312 mat,1 real,41 e,312,313 mat,1e,313,314 mat,1 real,40 e,314,315 mat,1 real,39 e,315,316 !!主墩2 mat,1 real,39 e,350,351 mat,1 real,40 e,351,352 mat,1 real,41 e,352,353 mat,1e,353,354 mat,1 real,41 e,354,355 mat,1 real,40 e,355,356 mat,1 real,39 e,356,357!!主墩3 mat,1 real,39 e,326,327 mat,1 real,40 e,327,328 mat,1e,328,329 mat,1 real,41 e,329,330 mat,1 real,41 e,330,331 mat,1 real,40 e,331,332 mat,1 real,39 e,332,333!!边墩2 mat,1 real,42 e,317,318 mat,1e,318,319 mat,1 real,44 e,319,320 mat,1 real,44 e,320,321 mat,1 real,44 e,321,322 mat,1 real,44 e,322,323 mat,1 real,49 e,323,324 mat,1 real,45.e,324,325!!添加质量惯距!!两米段质量惯距r,100,,,,1293348.4 !!100米处和直线段的质量惯距r,101,,,,1296019.6r,102,,,,1297493r,103,,,,1301181.8r,104,,,,1311723r,105,,,,1326622r,106,,,,1348967r,107,,,,1370728r,108,,,,1395061r,109,,,,1422801r,110,,,,1452757r,111,,,,1483258r,112,,,,1519733r,113,,,,1558030r,114,,,,1597229r,115,,,,1640292r,116,,,,1687605r,117,,,,1736625. r,118,,,,1790923r,119,,,,1848602r,120,,,,1911418r,121,,,,1980562r,122,,,,2052690r,123,,,,2118097r,124,,,,2192307r,125,,,,2263641r,126,,,,2350704r,127,,,,2432292r,128,,,,2516392r,129,,,,2679987r,130,,,,2853514r,131,,,,3048284r,132,,,,3252032r,133,,,,3462506!!边跨直线3米段r,148,,,,1293348.4*3/2!!-700处3.75米段的质量惯距r,134,,,,2725866.2!!边支点横隔. r,135,,,,2246142.5!!合龙段横隔r,136,,,,833679/2!!中支点横隔r,137,,,,5292760!!添加边墩质量惯距从上到下!!变截面实心2米段r,138,,,,1163498!!1/2空心5米段r,139,,,,1794766!!空心段4米r,140,,,,657211!!1/2空心4米段r,141,,,,1085079!!实心2米段r,142,,,,1064567!!添加主墩质量惯性距从上到下. !!实心3米段r,143,,,,2345361!!1/2空心5米段r,144,,,,2869095!!空心4米段r,145,,,,1769087!!1/2空心4米段r,146,,,,2869095*4/5!!实心2米段r,147,,,,2345361*2/3!!在结点处加入质量惯性距!!边跨合龙段!左边边跨type,2real,135e,2type,2real,134. e,3type,2real,148e,4type,2real,100e,5!!右边边跨type,2real,135e,113type,2real,134e,114type,2real,148e,115type,2e,116!!对第一个主跨的循环*do,i,6,39,1type,2real,94+ie,i*enddo!!对第二个主跨的循环*do,i,41,74,1 type,2real,59+ie,i*enddo!!对第3个循环*do,i,77,110,1 type,2real,33+ie,i!!对第4个循环*do,i,188,221,1 type,2real,(-88)+ie,i*enddo!!对第5个循环*do,i,152,185,1 type,2real,i-52e,i*enddo!!对第6个循环*do,i,117,150,1 type,2real,(-17)+ie,i*enddo!!添加质量惯距到桥墩.!!左边墩type,2real,138e,301type,2real,139e,302type,2real,140e,303type,2real,140e,304type,2real,140e,305type,2. real,140e,306type,2real,141e,307type,2real,142e,308!!右边墩type,2real,138e,318type,2real,139e,319type,2real,140e,320.type,2real,140e,321type,2real,140e,322type,2real,140e,323type,2real,141e,324type,2real,142e,325!!左边主墩type,2real,143type,2real,144e,311type,2real,145e,312type,2real,145e,313type,2r,400,,,,1769087*3/4 e,314type,2real,146e,315type,2e,316!!中间主墩type,2real,143e,351type,2real,144e,352type,2real,145e,353type,2real,145e,354type,2r,400,,,,1769087*3/4 e,355.type,2real,146e,356type,2real,147e,357!!右边主墩type,2real,143e,327type,2real,144e,328type,2real,145e,329type,2e,330type,2r,400,,,,1769087*3/4 e,331type,2real,146e,332type,2real,147e,333!!添加横隔板处质量惯性距!!中支点type,2real,137e,500type,2real,137type,2real,137e,502!!合龙段1type,2real,136e,75type,2real,136e,111type,2r,411,,,,1293348.4*3/10 e,40type,2r,412,,,,1293348.4*3/10 e,76!!合龙段2type,2e,222type,2real,136e,186type,2r,411,,,,1293348.4*3/10 e,187type,2r,412,,,,1293348.4*3/10 e,151!!偶合结点cp,1,uy,1,300cp,2,uz,1,300cp,3,rotx,1,300cp,4,uy,309,500cp,5,uz,309,500cp,6,rotx,309,500. cp,7,ux,350,501cp,8,uy,350,501cp,9,uz,350,501cp,10,rotx,350,501cp,11,roty,350,501cp,12,uy,326,502cp,13,uz,326,502cp,14,rotx,326,502cp,15,uy,317,112cp,16,uz,317,112cp,17,rotx,317,112!!!!加约束d,308,all,all,0d,316,all,all,0d,357,all,all,0d,333,all,all,0d,325,all,all,0allselfinish.!!!!求解/soluantype,2 !模态分析acel,,9.8 !加载重力modopt,subsp,20 !提取前30阶模态mxpand,20,,,0LUMPM,1solvefinish/post1set,list。