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1、-组合梁ansys建模(用弹簧模拟滑移).-第 8 页/COM,Structural/config,NRES,90000/UNITS,SI/prep7gybh=0.010 !钢梁翼板厚度10mmgybk=0.150 !钢梁翼板宽度150mmgfbh=0.007 !钢梁腹板厚度7mmgfbg=0.130 !钢梁腹板高度130mmhntbh=0.075 !混凝土板厚度75mmhntbk=0.600 !混凝土板宽度600mmhntbch=6.000 !每节混凝土板长度6000mmglch=6.200 !每节钢梁总长度600mmxhntbh=0.060 !混凝土板厚度60mmxhntbk=0.220
2、!混凝土板宽度220mmxhntbch=1.200 !每节混凝土板长度1200mmet,1,solid65,3 !定义混凝土板单元et,2,shell43 !定义钢梁单元et,3,combin39,0 !定义弹簧单元combin39et,4,solid45 !定义垫板单元et,5,link8 !定义纵向钢筋单元mp,ex,1,1.9095E10 !定义混凝土板的弹性模量N/mm2 mp,prxy,1,0.20 !定义混凝土板的泊松比mp,dens,1,2.6e3 !定义混凝土板的密度mp,ex,2,2.10E11 !定义钢梁及一级钢筋的弹性模量mp,prxy,2,0.30 !定义钢梁及一级钢筋
3、的泊松比mp,dens,2,7.85e3 !定义钢梁及一级钢筋的密度mp,ex,3,2.00E11 !定义二级钢筋的弹性模量mp,prxy,3,0.3 !定义二级钢筋的泊松比mp,dens,3,7.85e3 !定义二级钢筋的密度mp,ex,4,2.02E11 !定义垫板材料特性 mp,prxy,4,0.3 tb,miso,1 !混凝土屈服准则tbpt,e,20.1e6*(1000*e-500*500*e*e)*enddotbpt,0.0035,20.1e6 tbpl,miso,1tb,concr,1 !混凝土破坏准则tbdata,0.6,0.8,2.01e6,-1tb,bkin,2,1,2 !
4、钢梁及一级钢筋的本构关系tbpl,bkin,2tb,bkin,3,1,2 !二级钢筋的本构关系tbdata,335e6,10.3e6 !335屈服应力，10代表屈服后的切线模量tbpl,bkin,3r,1,2,0.00745,90,90 !定义上混凝土板实常数r,2,2,0.00673,90,90 !定义下混凝土板实常数r,3,gybh,gybh,gybh,gybh !定义钢梁上下翼缘的厚度r,4,gfbh,gfbh,gfbh,gfbh !定义钢梁腹板厚度r,5,0,0,0.00002,12175,0.00004,16021 !定义弹簧的荷载变形曲线 rmore,0.00005,17492,0
5、.00006,18789,0.00007,19956rmore,0.00008,21022,0.00009,22006,0.0001,22921rmore,0.0002,29831,0.0003,34610,0.0004,38313rmore,0.0005,41338,0.0006,43887,0.0007,46078rmore,0.0008,47989,0.0009,49673,0.001,51169rmore,0.002,61124,0.003,63521r,6 !垫板实常数r,7,0.00004398 !上混凝土板中纵筋的横截面积（折合而来）r,8,0.000050265 !下混凝土板中
6、纵筋的横截面积!注：钢梁总长6200mm，跨度为3000+3000，在两端支座外各留出了100mmblc4,0,0,glch,gfbg !钢梁腹板csys,4wprota,-90blc4,0,-gybk*0.5,glch,gybk*0.5 !钢梁下翼板之半(一次建成整个板时无法用aglue命令)blc4,0,0,glch,gybk*0.5 !钢梁下翼板之半(一次建成整个板时无法用aglue命令)wpoffs,0,0,gfbgblc4,0,-gybk*0.5,glch,gybk*0.5 !钢梁上翼板之半(一次建成整个板时无法用aglue命令)blc4,0,0,glch,gybk*0.5 !钢梁上
7、翼板之半(一次建成整个板时无法用aglue命令)wpoffs,0.100 !用工作平面切割梁体然后添加加劲肋wprota,-90asbw,allasbw,allwpoffs,-0.5*hntbchasbw,allnummrg,allnumcmp,all*do,i,0,2,1*do,j,0,1,1 !连线，为增加加劲肋作准备l,15+j+6*i,17+j+6*i*enddo*enddoal,28,50,21,16al,31,16,25,51al,33,52,7,3al,34,3,11,53al,44,54,27,19al,47,19,41,55asel,allaglue,all !粘结各板形成钢
8、梁nummrg,allnumcmp,allasel,s,loc,x,-gfbg !选中上下翼缘板，准备对钢梁翼板进行单元划分asel,a,loc,x,0aplotaatt,2,3,2 !赋予钢梁上下翼缘板单元特性lesize,31,0.0375$lesize,28,0.0375 !定义上下翼缘有限元网格尺寸mshkey,1 !声明使用映射网格划分mshape,0 !声明使用平面四边形网格划分amesh,all allsel,allasel,s,loc,y,0 !选中腹板，准备对钢梁腹板进行单元划分aplotaatt,2,4,2lesize,16,4 !定义腹板有限元网格尺寸mshkey,1 !
9、声明使用映射网格划分mshape,0 !声明使用平面四边形网格划分amesh,all allsel,allasel,s,loc,z,0asel,a,loc,z,hntbchaplotaatt,2,4,2mshkey,1 !声明使用自由网格划分mshape,0 !声明使用平面三角形网格划分amesh,allallsel,allwpoffs,gybh*0.5 !准备建立上侧混凝土板几何模型blc4,0,-hntbk*0.5,hntbh,hntbk,hntbch!对上混凝土板进行映射划分wprota,90vsbw,allvsbw,allvsel,allvatt,1,1,1lesize,78,3$le
10、size,87,1lesize,80,3$lesize,60,2mshkey,1 !声明使用映射网格划分mshape,0,3D !声明使用平面四边形网格划分vmesh,all!esel,s,real,1!/DEVICE,VECTOR,1!/TYPE,BASIC !查看钢筋的方向!/eshape,1!allsel,all!加弹簧、耦合!上混泥土板allsel,allnsel,r,loc,x,-0.5*gybh,0type,3 !设定弹簧单元real,5e,24,917*do,i,0,13,1e,330+2*i,977-2*i*enddoe,299,949*do,i,0,13,1e,545+2*i
11、,947-2*i*enddoe,423,919cp,1,uy,24,917*do,i,-1,27,1cp,3+i,uy,330+i,977-i*enddocp,31,uy,299,949*do,i,-1,27,1cp,33+i,uy,545+i,947-i*enddocp,61,uy,423,919cp,62,uz,24,917*do,i,-1,27,1cp,64+i,uz,330+i,977-i*enddocp,92,uz,299,949*do,i,-1,27,1cp,94+i,uz,545+i,947-i*enddocp,122,uz,423,919e,118,1600*do,i,0,13
12、,1e,390+2*i,1660-2*i*enddoe,359,1632*do,i,0,13,1e,603+2*i,1630-2*i*enddoe,485,1589cp,123,uy,118,1600*do,i,-1,27,1cp,125+i,uy,390+i,1660-i*enddocp,153,uy,359,1632*do,i,-1,27,1cp,155+i,uy,603+i,1630-i*enddocp,183,uy,485,1589cp,184,uz,118,1600*do,i,-1,27,1cp,186+i,uz,390+i,1660-i*enddocp,214,uz,359,163
13、2*do,i,-1,27,1cp,216+i,uz,603+i,1630-i*enddocp,244,uz,485,1589allsel,all!搞定!为上混凝土板增设纵向钢筋nsel,s,loc,x,0.5*hntbhtype,5 !设定弹簧单元real,7*do,j,0,1,1e,1232+j,1587-j*do,i,0,57,1e,1587-2*i-j,1585-2*i-j*enddoe,1471-j,1047-j*enddoe,918,1038*do,i,0,57,1e,1038-i,1037-i*enddoe,980,979e,1602,1721*do,i,0,57,1e,1721+
14、i,1722+i*enddoe,1779,1597e,1787,2260*do,i,0,57,1e,2260-i,2259-i*enddoe,2202,1598e,1788,2319*do,i,0,57,1e,2319-i,2318-i*enddoe,2261,1599allsel,all!为荷载和支座处添加弹性垫块wpoffs,-0.5*gybh-gfbg,0.5*hntbch,-0.5*gybkblc4,-0.5*gybh-0.010,-0.100,0.010,0.200,gybkvsel,s,2vatt,4,6,4lesize,93,4$lesize,89,4$lesize,90,1ms
15、hkey,1 !声明使用映射网格划分mshape,0,3D !声明使用平面四边形网格划分vmesh,allnsel,s,loc,x,-0.5*gybh,0cp,1000,uy,238,2325$cp,1001,uy,267,2346cp,1002,uy,178,2347$cp,1003,uy,207,2348cp,1004,uy,149,2332$cp,1005,uy,208,2328cp,1006,uy,209,2368$cp,1007,uy,57,2365cp,1008,uy,87,2362$cp,1009,uy,27,2334cp,1010,uy,424,2326$cp,1011,uy,
16、453,2343cp,1012,uy,58,2344$cp,1013,uy,88,2345cp,1014,uy,28,2331cp,1005+35,uz,208,2328cp,1006+35,uz,209,2368$cp,1007+35,uz,57,2365cp,1008+35,uz,87,2362$cp,1009+35,uz,27,2334cp,1005+70,ux,208,2328cp,1006+70,ux,209,2368$cp,1007+70,ux,57,2365cp,1008+70,ux,87,2362$cp,1009+70,ux,27,2334allsel,allnsel,r,lo
17、c,y,0d,all,uy,0,ux,uznsel,s,loc,x,0nsel,r,loc,y,0.5*hntbchd,all,uy,0,uznsel,s,loc,x,0nsel,r,loc,y,-0.5*hntbchd,all,uy,0,uzallsel,all/soluantype,0solcontrol,onoutres,all,5nlgeom,offkbc,0nropt,fullautots,ontime,1 allsel,allnsubst,5,5,5solvesavetime,350nsel,s,loc,x,0.5*gybh+gfbg+hntbhnsel,r,loc,y,0.25*hntbchf,902,fy,-175000,1706,804nsel,s,loc,x,0.5*gybh+gfbg+hntbhnsel,r,loc,y,-0.25*hntbchf,872,fy,-175000,1676,804allsel,allnsubst,800,12800,800solvesave