1、ansys 连续梁桥建模和分析的关键步骤如下：1、用箱梁的中心线来模拟板的边线，板厚即为箱梁的底板、顶板、腹板及翼缘板的厚度。2、确定各个关键点的位置。3、正确模拟倒角及渐变的翼缘板厚度及地板的厚度。4、进入后处理分析受力及变形情况。/prep7/title,three span continus griderk,1,0,0k,2,-2.1,0k,3,-2.6,-0.125k,4,-2.8,-0.125k,5,-3,-0.125k,6,-3.4857,-0.1036k,7,-3.9714,-0.0821k,8,-4.4571,-0.0607k,9,-4.9429,-0.0393k,10,-5.
2、4286,-0.0179k,11,-5.9143,0.0036k,12,-6.4,0.025k,13,-2.800,-1.85k,14,0.0000,-1.85kgen,9,1,12,1,0,0,49/8,100kgen,2,1,12,1,0,0,50,900kgen,9,901,912,1,0,0,34.5/8,100kgen,2,901,912,1,0,0,35,900c1=0.000843399c2=0.001701323*dim,x1,array,8x1(1)=49/8x1(2)=2*49/8x1(3)=3*49/8x1(4)=4*49/8x1(5)=5*49/8x1(6)=6*49/
3、8x1(7)=7*49/8x1(8)=8*49/8*dim,x2,array,8x2(1)=34.5/8x2(2)=2*34.5/8x2(3)=3*34.5/8x2(4)=4*34.5/8x2(5)=5*34.5/8x2(6)=6*34.5/8x2(7)=7*34.5/8x2(8)=8*34.5/8*dim,yb,array,8yb(1)=-c1*x1(1)*x1(1) yb(2)=-c1*x1(2)*x1(2) yb(3)=-c1*x1(3)*x1(3) yb(4)=-c1*x1(4)*x1(4) yb(5)=-c1*x1(5)*x1(5) yb(6)=-c1*x1(6)*x1(6) yb(
4、7)=-c1*x1(7)*x1(7) yb(8)=-c1*x1(8)*x1(8) *dim,ym,array,8ym(1)=-c2*(x2(1)-34.5)*(x2(1)-34.5)+2.025ym(2)=-c2*(x2(2)-34.5)*(x2(2)-34.5)+2.025ym(3)=-c2*(x2(3)-34.5)*(x2(3)-34.5)+2.025ym(4)=-c2*(x2(4)-34.5)*(x2(4)-34.5)+2.025ym(5)=-c2*(x2(5)-34.5)*(x2(5)-34.5)+2.025ym(6)=-c2*(x2(6)-34.5)*(x2(6)-34.5)+2.0
5、25ym(7)=-c2*(x2(7)-34.5)*(x2(7)-34.5)+2.025ym(8)=c2*(x2(8)-34.5)*(x2(8)-34.5)+2.025kgen,2,13,14,1,0,yb(1),x1(1),100kgen,2,13,14,1,0,yb(2),x1(2),200kgen,2,13,14,1,0,yb(3),x1(3),300kgen,2,13,14,1,0,yb(4),x1(4),400kgen,2,13,14,1,0,yb(5),x1(5),500kgen,2,13,14,1,0,yb(6),x1(6),600kgen,2,13,14,1,0,yb(7),x1
6、(7),700kgen,2,13,14,1,0,yb(8),x1(8),800kgen,2,813,814,1,0,0,1,100kgen,2,913,914,1,0,ym(1),x2(1),100kgen,2,913,914,1,0,ym(2),x2(2),200kgen,2,913,914,1,0,ym(3),x2(3),300kgen,2,913,914,1,0,ym(4),x2(4),400kgen,2,913,914,1,0,ym(5),x2(5),500kgen,2,913,914,1,0,ym(6),x2(6),600kgen,2,913,914,1,0,ym(7),x2(7),
7、700kgen,2,913,914,1,0,ym(8),x2(8),800kgen,2,1,14,1,0,0,-0.5,50*et,1,shell63mp,ex,1,3.5e10mp,dens,1,2500mp,prxy,0.1667r,1,0.25*do,i,0,16,1a,1+i*100,1+(i+1)*100,2+(i+1)*100,2+i*100*enddoa,1,51,52,2aatt,1,1,1asel,noner,2,0.375*do,i,0,16,1a,2+i*100,2+(i+1)*100,3+(i+1)*100,3+i*100*enddoa,2,52,53,3aatt,1,
8、2,1asel,noner,3,0.5*do,i,0,16,1a,3+i*100,3+(i+1)*100,4+(i+1)*100,4+i*100a,4+i*100,4+(i+1)*100,5+(i+1)*100,5+i*100*enddoa,3,53,54,4a,4,54,55,5aatt,1,3,1asel,none*dim,hd,array,8hd(8)=0.2hd(7)=0.2+(3.4/7)*0.3/3.4hd(6)=0.2+2*(3.4/7)*0.3/3.4hd(5)=0.2+3*(3.4/7)*0.3/3.4hd(4)=0.2+4*(3.4/7)*0.3/3.4hd(3)=0.2+
9、5*(3.4/7)*0.3/3.4hd(2)=0.2+6*(3.4/7)*0.3/3.4hd(1)=0.2+7*(3.4/7)*0.3/3.4*do,i,1,7,1r,30+i,hd(i+1),hd(i+1),hd(i),hd(i)*enddo*do,i,0,16,1*do,k,5,11,1a,k,k+50,k+1+50,k+1a,k+i*100,k+(i+1)*100,k+1+(i+1)*100,k+1+i*100aatt,1,k+26,1asel,none*enddo*enddoasel,noner,4,0.5*do,i,0,16,1a,4+i*100,4+(i+1)*100,13+(i+
10、1)*100,13+i*100*enddoa,4,54,63,13aatt,1,4,1asel,nonec3=6.2474e-05c4=0.000126024*dim,h1,array,8h1(1)=0.25+c3*x1(1)*x1(1)h1(2)=0.25+c3*x1(2)*x1(2)h1(3)=0.25+c3*x1(3)*x1(3)h1(4)=0.25+c3*x1(4)*x1(4)h1(5)=0.25+c3*x1(5)*x1(5)h1(6)=0.25+c3*x1(6)*x1(6)h1(7)=0.25+c3*x1(7)*x1(7)h1(8)=0.25+c3*x1(8)*x1(8)*dim,h
11、2,array,9h2(1)=0.25+c3*x2(1)*x2(1)h2(2)=0.25+c3*x2(2)*x2(2)h2(3)=0.25+c3*x2(3)*x2(3)h2(4)=0.25+c3*x2(4)*x2(4)h2(5)=0.25+c3*x2(5)*x2(5)h2(6)=0.25+c3*x2(6)*x2(6)h2(7)=0.25+c3*x2(7)*x2(7)h2(8)=0.25+c3*x2(8)*x2(8)h1(1)=0.25+c3*x1(1)*x1(1)h2(9)=0.4*do,i,1,8,1r,10+i,h1(i)a,13+(i-1)*100,13+i*100,14+i*100,1
12、4+(i-1)*100aatt,1,10+i,1asel,none*enddo*do,i,1,9,1r,20+i,h2(i)a,13+(i+7)*100,13+(i+8)*100,14+(i+8)*100,14+(i+7)*100a,13,63,64,14aatt,1,20+i,1asel,none*enddor,50,2a,1,51,64,14a,801,901,914,814aatt,1,50,1asel,noneallselesize,0.4mshape,0mshkey,1amesh,allnsel,allnsym,x,10000,1,80000,1esym,10000,1,10000,
13、1cskp,12,0,1714,1713,1701nsym,z,100000,1,100000,1esym,100000,1,100000,1allsel,nummrg,all*csys,0nsel,s,loc,y,-1.85nsel,r,loc,x,-3,-2.6nsel,r,loc,z,-0.5,0d,all,ux,uy,roty,rotzallselnsel,s,loc,y,-1.85nsel,r,loc,x,2.6,3nsel,r,loc,z,-0.5,0d,all,ux,uy,roty,rotzallselnsel,s,loc,y,-1.85nsel,r,loc,x,-3,-2.6n
14、sel,r,loc,z,169,169.5d,all,ux,uy,roty,rotzallselnsel,s,loc,y,-1.85nsel,r,loc,x,2.6,3nsel,r,loc,z,169,169.5d,all,ux,uy,roty,rotzallselnsel,s,loc,y,-3.875nsel,r,loc,x,2.6,3nsel,r,loc,z,49,50d,all,ux,uy,uz,roty,rotzallselnsel,s,loc,y,-3.875nsel,r,loc,x,-3,-2.6nsel,r,loc,z,49,50d,all,ux,uy,uz,roty,rotzallselnsel,s,loc,y,-3.875nsel,r,loc,x,2.6,3nsel,r,loc,z,119,120d,all,ux,uy,uz,roty,rotzallselnsel,s,loc,y,-3.875nsel,r,loc,x,-3,-2.6nsel,r,loc,z,119,120d,all,ux,uy,uz,roty,rotzallsel*/soluallselacel,9.8solve/post1plnsol,s,1nsel,s,loc,z,10esln,s,allplnsol,s,1finishsave
