组合梁ansys建模用弹簧模拟滑移.docx

1、组合梁ansys建模用弹簧模拟滑移组合梁ansys建模(用弹簧模拟滑移)LTmp,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*do,e,0.0002,0.002,0.0001tbpt,e,20.1e6*(1000*e-500*500*e*e)*enddotbpt,0.0035,20.1e6 !该处将0.0033改为了0.0035tbpl,miso,1tb,concr,1 !混凝土破坏准则tbdata,0.6,0.8,2.01e6,-1tb,bkin,2,1,2 !钢梁及一级钢筋的本构关系tbdata,235e6,10.3e6t

2、bpl,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,0.00005,17492,0.00006,18789,

3、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 !下混凝土板中纵筋的横截面积!*!注：钢

4、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 !钢梁上翼板之半(一次建成整个

5、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,allwpoffs,-hntbch*0.5asbw,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 !

6、粘结各板形成钢梁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$lesize,28,0.0375 !定义上下翼缘有限元网格尺寸lesize,25,0.0375$lesize,21,0.0375lesize,18,0.100$lesize,17,0.100lesize,36,0.100$lesize,35,0.100lesize,23,0.100$lesize,20,0.100lesize,15,0.1

7、00$lesize,14,0.100mshkey,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 !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,hntbch*0.5asel,a,loc,z,hntbchaplotaatt,2,4,2mshkey,1 !声明

8、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,all!*wpoffs,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wpoffs,0.0375wprota,90vsbw,allwpoffs,0.075vsbw,allvsel,allvatt,1,1,1lesize,78,3$lesize,87,1lesize,80,3$lesize,60,2lesize,66,0.100mshkey,1 !声明使用映射网格划分mshape,0,3D !声明使用

9、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,allwpoffs,-0.0375nsel,s,loc,z,-0.0375,0.0375nsel,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,947-2*i*enddoe,423,919c

10、p,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,0,13,1e,390+2*i,1660-2*i*end

11、doe,359,1632*do,i,0,13,1e,603+2*i,1630-2*i*enddoe,485,1589!*cp,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,359,1632*do,i,-1,27,1cp,216+i

12、,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+i,1722+i*enddoe,1779

13、,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,90,1mshkey,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,0nsel,r,loc,y,-0.100,0.100cp,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,2