ansys钢桁架计算

钢引桥ansys计算
结构方案：
§4.1.3 1#泊位61.5m×6m钢引桥验算
（1）61.5m×6m 钢引桥基本尺寸：
表4-1 桁架主要构件
序号名称型号尺寸
1 钢面板Q235 t=4.5mm
2 上下弦杆2[36a
3 竖杆2L180×16
4 中部斜杆2L180×16
5 端部斜杆2[36a
6 上下平联斜杆[10
7 上横梁2L160×100×12
图4-1 钢引桥结构图（单位：mm）Ansys命令流：
finish
/clear
/prep7
et, 1, beam188
et, 2, shell63
!材料参数
mp,ex,1,2.1E11
mp,nuxy,1,0.3
mp,dens,1,7800
！建立模型
k, 1, -30.75 0,
k, 2, -25.75 0,
kgen, 11, 2,,, 5.15, ,, k, 13, 30.75, 0 kgen, 2, 2,12,1, 0,0,5
*do, I, 1, 12,
l, I, i+1
*enddo
*do, I, 14, 23,
l, I, i+1
*enddo
*do, I, 2,12
l, I, i+12,
*enddo
l, 1,14
l, 3,14
*do, I, 4,7
l, I, i+11
*enddo
*do, I, 7,11
l, I, i+13
*enddo
l, 13,24
lgen, 2, 1,45,1, 0,6,0
lgen, 2, 1,12,1, 0,0.56,0
lgen, 2, 1,12,1, 0,0.84+0.56,0
lgen, 2, 1,12,1, 0,0.84+0.56+0.84,0
lgen, 2, 1,12,1, 0,0.84+1.02+0.56+0.84,0
lgen, 2, 1,12,1, 0,0.84+0.84+1.02+0.56+0.84,0 lgen, 2, 1,12,1, 0,0.84+0.84+0.84+1.02+0.56+0.84,0
lsel, s, loc, z, 0
nsll, s,
l, 1,49
*do, I, 49,101,13
l, I, i+13
*enddo
l, 114, 25
lgen, 2, 163,169,1, 5,0,0
lgen, 11, 170,176,1, 5.15,0,0
lgen, 2, 240,246,1, 5,0,0
nummrg, all
numcmp, all
a,1,13,37,25
lsel,s,loc,z,0
asbl,1,all
aglue, all
!截面属性设置
!上下弦杆2[36a
sectype, 1, beam, hrec, XianGan, 0 secoffset, cent
secdata, 0.192, 0.36, 0.009, 0.009, 0.016, 0.016 !竖杆及斜杆2L180×16
sectype, 2, beam, hrec, ShuGan, 0 secoffset, cent
secdata, 0.180, 0.180, 0.016, 0.016, 0.016, 0.016 !纵梁I16
sectype, 3, beam, I, ZongLiang, 0 secoffset, user, 0,-0.02
secdata, 0.088, 0.088, 0.160, 0.0099, 0.0099, 0.006 !横梁I36a
sectype, 4, beam, I, HengLiang, 0 secoffset, cent
secdata, 0.136, 0.136, 0.360, 0.0158, 0.0158, 0.01 !上下平联[10
sectype, 5, beam, chan, PingLian, 0 secoffset, cent
secdata, 0.048, 0.048, 0.10, 0.0085, 0.0085, 0.005
!面板厚4.5mm
r, 1, 0.0045
nummrg, all
numcmp, all
!单元划分
lsel, s,,, all
lesize, all, 0.3
k, 1000, 50,0,0
k, 1001, 50,0,10,
lsel, s,,,1,22
latt, 1,, 1,, 1000, 1001, 1
lmesh, all
k, 1000, 50,6,0
k, 1001, 50,6,10,
lsel, s,,,46,67
latt, 1,, 1,, 1000, 1001,
lmesh, all
lsel, s,,,34,45,11
latt, 1,, 1,,,, 1
lmesh, all
lsel, s,,,79,90,11
latt, 1,, 1,,,, 1
lmesh, all
lsel, s,,,23,33,1
lsel, a,,,35,44,1
lsel, a,,,68,78,1
lsel, a,,,80,89,1
latt, 1,, 1,,,, 2
lmesh, all
k, 1000, -30.75,-5,0
k, 1001, -30.75,-5,10,
lsel, s,,,163,169,1
latt, 1,, 1,, 1000, 1001, 4 lmesh, all
lsel, s,,,170,176,1
latt, 1,, 1,, 2, 14, 4 lmesh, all
lsel, s,,,177,183,1
latt, 1,, 1,, 3, 15, 4 lmesh, all
lsel, s,,,184,190,1
latt, 1,, 1,, 4, 16, 4 lmesh, all
lsel, s,,,191,197,1
latt, 1,, 1,, 5, 17, 4 lmesh, all
lsel, s,,,198,204,1
latt, 1,, 1,, 6, 18, 4 lmesh, all
lsel, s,,,196,211,1
lmesh, all
lsel, s,,,212,218,1
latt, 1,, 1,, 8, 20, 4 lmesh, all
lsel, s,,,219,225,1
latt, 1,, 1,, 9, 21, 4 lmesh, all
lsel, s,,,226,232,1
latt, 1,, 1,, 10, 22, 4 lmesh, all
lsel, s,,,233,239,1
latt, 1,, 1,, 11, 23, 4 lmesh, all
lsel, s,,,240,246,1
latt, 1,, 1,, 12, 24, 4 lmesh, all
k, 1000, 30.75,-5,0
k, 1001, 30.75,-5,10,
lsel, s,,,247,253,1
latt, 1,, 1,, 1000, 1001, 4 lmesh, all
k, 1000, 50,0.56,0
k, 1001, 50,0.56,10,
lsel, s,,,91,102
latt, 1,, 1,, 1000, 1001, 3 lmesh, all
k, 1000, 50,0.56+0.84,0
k, 1001, 50,0.56+0.84,10,
lsel, s,,,103,114
latt, 1,, 1,, 1000, 1001, 3 lmesh, all
k, 1000, 50,0.56+0.84*2,0
k, 1001, 50,0.56+0.84*2,10,
lsel, s,,,115,126
lmesh, all
k, 1000, 50,0.56+0.84*2+1.02,0
k, 1001, 50,0.56+0.84*2+1.02,10,
lsel, s,,,127,138
latt, 1,, 1,, 1000, 1001, 3 lmesh, all
k, 1000, 50,0.56+0.84*2+1.02+0.84,0
k, 1001, 50,0.56+0.84*2+1.02+0.84,10,
lsel, s,,,139,150
latt, 1,, 1,, 1000, 1001, 3 lmesh, all
k, 1000, 50,0.56+0.84*2+1.02+0.84*2,0
k, 1001, 50,0.56+0.84*2+1.02+0.84*2,10,
lsel, s,,,151,162
latt, 1,, 1,, 1000, 1001, 3 lmesh, all
aatt, 1,1,2
amesh, all
!
*do, i, 1,12,1
l, i, i+25
l, i+1, i+24
*enddo
*do, i, 14,23,1
l, i, i+25
l, i+1, i+24
*enddo
lsel, s,,,254,298
lovlap, all
nummrg, all
numcmp, all
lsel, s,,,254,341
lesize, all, 0.3
latt, 1,, 1,,,, 5
lmesh, all
!施加约束
dk, 1,,,,,, ux,uy,uz, rotx,,rotz dk, 13,,,,, ux,uy,uz, rotx,,rotz dk, 37,,,,, ux,uy,uz, rotx,,rotz dk, 25,,,,, ux,uy,uz, rotx,,rotz kdele, 1000,1001,1
!荷载步
!空算一步
/solu
allsel
solve
!加自重
/solu
acel,0,9.8,0
allsele
solve
!加1#皮带机
/solu
acel,0,0,0
asel,s,,, 25,48,1
sfa,all,2,pres,3600
allsele
solve
!加2#皮带机
/solu
sfadele,all,2,pres
asel,s,,, 61,84,1
sfa,all,2,pres,3600
allsele
solve
!加人群荷载
/solu
sfadele,all,2,pres
asel,s,,, 49,60,1
sfa,all,2,pres,3000
allsele
solve
/post1
lcdef, 1,1 !空算一步
lcdef, 2,2 !自重
lcdef, 3,3 !1#皮带机
lcdef, 4,4 !2#皮带机
lcdef, 5,5 !人群荷载
lcdef, 11,1 !空算一步
lcdef, 12,2 !自重
lcdef, 13,3 !1#皮带机
lcdef, 14,4 !2#皮带机
lcdef, 15,5 !人群荷载
lcdef, 16,3 !1#皮带机
lcdef, 17,4 !2#皮带机
lcdef, 18,5 !人群荷载
lcdef, 19,5 !0.6*人群荷载
lcfact, 11, 1
lcfact, 12, 1.2 !自重
lcfact, 13, 1.4 !1#皮带机
lcfact, 14, 1.4 !2#皮带机
lcfact, 15, 0.7*1.4 !人群荷载
lcfact, 16, 1.3 !1#皮带机
lcfact, 17, 1.3 !2#皮带机
lcfact, 18, 1.3 !人群荷载
lcfact, 19, 0.6 !0.6*人群荷载
!组合一：自重+1#、2#皮带机+人群*0.7 !承载能力持久组合lcase,11
lcset,s,12,15,1
lcoper, add, all
lcwrite, 50
lcase, 50
!组合二：自重+1#、2#皮带机+人群*0.7 !承载能力短期组合lcase,11
lcset,s,16,18,1
lcset,a,12
lcoper, add, all
lcwrite, 51
lcase, 51
!组合三：自重+1#、2#皮带机+人群*0.7 !正常使用极限状态lcase,1
lcset,s,2,4,1
lcset,a,5
lcoper, add, all
lcwrite, 52
lcase, 52
!结果处理
/eshape, 1, 1
/gline, all, -1
plnsol, u, sum, 0, 1 plnsol, s, eqv
计算结果。