最新ANSYS公路隧道二次衬砌受力分析Word文件下载.docx
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最新ANSYS公路隧道二次衬砌受力分析Word文件下载.docx
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MainMenu→Preprocessor→Materialprops→MaterialModels→Structural→Linear→Elastic→Isotropic→在弹性模量EX栏输入30e9→在PRXY栏输入0.2→OK,再点击Density,DENS栏输入2500→执行“Meterial→NewModle”,单击OK,双击Isotropic,在EX栏填写1E9,在PRXY栏填写0.35,单击OK,双击Density,在DENS栏填写1800,单击OK,关闭对话框;
1.6定义截面属性
MainMenu→Preprocessor→sections→Beam→Commonsections→B中输入,1→在H中输入0.5→ok
1.7建立几何模型
⑴执行:
MainMenu→preprocessor→Modeling→Create→Keypoints→inactiveCS→依次输入坐标点1(0,0)点击Apply,如此依次输入,2(-3.34,0),3(3.34,0),4(0,11.37),点击OK。
⑵执行命令circle,1,5.65
circle,2,2.52circle,3,2.52circle,4,14.25circle,1,6.65circle,2,3.52circle,3,3.52circle,4,15.25生成八个圆。
⑶执行Modeling→operate→booleans→overlay然后根据需要两根线搭接生成关键点。
⑷执行Modeling→delete→linesonly选择不需要的线点击Apply→OK.
⑸执行PlotCtrls→Symbols→LDIRLine将off打√变为on→OK.
⑹执行Modeling→move/modify→reverseNormols→oflines→on打√变为yes→OK.
1.8划分单元
GUI执行:
MainCMenu→preprocessor→Meshing→Meshtool→ElementAttributes选择lines→set→选择L1、L2、L6、L10、L9、L11、L12、L8的8段→Apply→OK;
SizeControls→lines→set→选择L3、L4、L1、L2的4段→Apply在NDIV输入16→OK;
同理分别选择L5、L6、L7、L8、L10、L14、L12、L16→输入2;
L9、L11、L13、L15→输入10;
点击OK,点击Mesh,点击PickAll.
1.9生成弹簧
执行:
PlotCtrls→Numbering→勾选Nodenumber为on
MainMenu→Preprocessor→Modeling→Creat→Eelement→ElemAttributes→选择所有都为第二项→OK。
MainMenu→Preprocessor→Modeling→Creat→Eelement→AutoNumbered→thruNodes→然后相应节点相连接,即生成弹簧单元。
执行Meshing→clear→选中外面的线→点击OK。
执行Modeling→delete→linesonly选择不需要的线点击Apply→OK.
2.0加约束,荷载
(1)执行:
Main→Menu→solution→DefineLoads→Apply→Structural→Displacement→onnodes→在弹簧末端施加UX、UY方向约束;
(2)执行
F,
17
fx,
-1396.85
fy,
-123119
16
-2809.83
-121337
15
-4253.78
-118387
14
-5741.03
-114297
13
-7280.22
-109106
12
-8875.4
-102865
11
-10525.2
-95632.5
10
-12222.4
-87479.3
9
-13953.5
-78483.6
8
-15699
-68732
7
-17433.5
-58318.6
6
-19126.1
-47343.4
5
-20741.8
-35912.4
4
-22241.9
-24135.5
3
-23585.9
-12126.1
1
-27049.8
72
-30500.5
71
-25909.2
109
-18697.7
99
-12293.4
108
-7808.54
107
-7028.54
106
-6218.13
105
-5380.78
104
-4520.12
103
-3639.86
102
-2743.81
101
-1835.85
100
-992.454
2
-123714
19
1396.846
20
2809.825
21
4253.781
22
5741.026
23
7280.218
24
8875.395
25
10525.21
26
12222.4
27
13953.54
28
15699.04
29
17433.46
30
19126.09
31
20741.76
32
22241.93
33
23585.93
18
27049.78
74
30500.54
73
25909.15
86
18697.68
75
12293.39
77
7808.54
78
7028.54
79
6218.125
80
5380.782
81
4520.12
82
3639.859
83
2743.807
84
1835.849
85
992.4544
(3)自重荷载Main→Menu→solution→DefineLoads→Apply→Structural→Inertia→Gravity→Global→ACELY栏中输入10→OK
2.1求解
Main→Menu→solution→solve→currentLS→ok,得到一个计算结果。
2.2计算变形图。
selectentities选择Elements和Reselect,选择衬砌。
单击OK。
执行;
Plotctrls→style→sizeandshape→Displayofelement→勾选为On
Main→Menu→Geaneralpostproc→Plotresult→Deformedshape→得出变形图。
File→ReportGenerator-Append,生成一个抓图工具,抓取变形图。
2.3定义轴力、剪力、弯矩
Main→Menu→Geaneralpostproc→Elementtable→Dfinetable→add→Bysequencenum→定义轴力在lab栏中输入→IN→SMISC,1→Apply;
在lab栏中输入→IN→SMISC,7→Apply;
同理定义剪力IQ、JQ,分别对应SMISC,2、SMISC,8;
同理定义弯矩IM、JM,分别对应SMISC,6、SMISC,12。
2.4分别绘制出轴力、剪力、弯矩图
(1)执行:
Main→Menu→Geaneralpostproc→PlotResults→contorplot→lineelemres→LabI选择1,LabJ选择7→OK得出了轴力图。
(2)执行:
Main→Menu→Geaneralpostproc→PlotResults→contorplot→lineelemres→LabI选择2,LabJ选择8→OK得出了剪力图。
(3)执行:
Main→Menu→Geaneralpostproc→PlotResults→contorplot→lineelemres→LabI选择6,LabJ选择12,Fact栏中输入-1→OK得出了弯矩图。
若受力图不对,则可能是因为上部弹簧受拉造成。
则执行命令nropt,full,,
allsel
outres,all,all
再执行:
solution→loadstepopts→other→Dirth&
death→kirlelement选择上面相对称的弹簧→OK。
再执行上面操作查看内力图,直到满足要求为止。
得到图形如下:
受力图:
变形图:
轴力图:
剪力图:
弯矩图:
再执行列表显示单元的轴力、剪力、弯矩:
执行“MainMenu→GeneralPostproc→ListResults→ElemTableData”,在对话框中选择IN、JN、IQ、JQ、IM、JM,单击OK,即得各个单元轴力、剪力、弯矩,见后附表
PRINTELEMENTTABLEITEMSPERELEMENT
*****POST1ELEMENTTABLELISTING*****
STATPREVIOUSPREVIOUSPREVIOUSPREVIOUSPREVIOUSPREVIOUS
ELEMINJNIQJQIMJM
1-0.34069E+06-0.33376E+069648.69308.67533.62278.1
2-0.32359E+06-0.31673E+06-943.05-1960.02278.13082.9
3-0.29772E+06-0.29100E+06-5066.2-6750.33082.96358.8
4-0.26319E+06-0.25666E+06-4940.1-7275.06358.89745.3
5-0.22068E+06-0.21441E+06-2457.5-5420.89745.311929.
6-0.17137E+06-0.16542E+06962.90-2600.211929.12383.
7-0.11685E+06-0.11128E+064375.3246.6212383.11102.
8-59036.-53900.7229.62575.211102.8383.8
9-39.5894614.99269.34133.98383.84668.0
1057926.62055.10433.4866.04668.0426.65
110.11265E+060.11622E+0610774.4829.4426.65-3899.2
120.16203E+060.16499E+0610405.4139.6-3899.2-7931.4
130.20414E+060.20648E+069458.42932.7-7931.4-11367.
140.23735E+060.23903E+068068.71345.6-11367.-13977.
150.26035E+060.26137E+066362.5-493.28-13977.-15604.
160.27226E+060.27260E+064457.6-2464.9-15604.-16156.
170.27260E+060.27226E+062464.9-4457.6-16156.-15604.
180.26137E+060.26035E+06493.28-6362.5-15604.-13977.
190.23903E+060.23735E+06-1345.6-8068.7-13977.-11367.
200.20648E+060.20414E+06-2932.7-9458.4-11367.-7931.4
210.16499E+060.16203E+06-4139.6-10405.-7931.4-3899.2
220.11622E+060.11265E+06-4829.4-10774.-3899.2426.65
2362055.57926.-4866.0-10433.426.654668.0
244614.9-39.590-4133.9-9269.34668.08383.8
25-53900.-59036.-2575.2-7229.68383.811102.
26-0.11128E+06-0.11685E+06-246.62-4375.311102.12383.
27-0.16542E+06-0.17137E+062600.2-962.9012383.11929.
28-0.21441E+06-0.22068E+065420.82457.511929.9745.3
29-0.25666E+06-0.26319E+067275.04940.19745.36358.8
30-0.29100E+06-0.29772E+066750.35066.26358.83082.9
31-0.31673E+06-0.32359E+061960.0943.053082.92278.1
32-0.33376E+06-0.34069E+06-9308.6-9648.62278.17533.6
69-0.36463E+06-0.35656E+0662454.63876.67470.26030.
70-0.35117E+06-0.34298E+0627955.28432.26030.7533.6
71-0.34298E+06-0.35117E+06-28432.-27955.7533.626030.
72-0.35656E+06-0.36463E+06-63876.-62454.26030.67470.
73-0.38257E+06-0.38455E+0696649.0.10247E+0638327.-10609.
74-0.39728E+06-0.39905E+0647427.53309.-10609.-35367.
75-0.41015E+06-0.41172E+0613575.19515.-35367.-43499.
76-0.42121E+06-0.42258E+06-7160.6-1170.1-43499.-41452.
77-0.43057E+06-0.43173E+06-17811.-11777.-41452.-34180.
78-0.43833E+06-0.43928E+06-21374.-15304.-34180.-25166.
79-0.44455E+06-0.44529E+06-20381.-14281.-25166.-16647.
80-0.44926E+06-0.44979E+06-16724.-10602.-16647.-9931.0
81-0.45244E+06-0.45276E+06-11672.-5536.4-9931.0-5701.6
82-0.45416E+06-0.45427E+06-5997.9145.41-5701.6-4263.3
83-0.38438E+06-0.38943E+0631135.34916.67470.50804.
84-0.39682E+06-0.40102E+0622368.27079.50804.38327.
97-0.45427E+06-0.45416E+06-145.415997.9-4263.3-5701.6
98-0.45276E+06-0.45244E+065536.411672.-5701.6-9931.0
99-0.44979E+06-0.44926E+0610602.16724.-9931.0-16647.
100-0.44529E+06-0.44455E+0614281.20381.-16647.-25166.
101-0.43928E+06-0.43833E+0615304.21374.-25166.-34180.
102-0.43173E+06-0.43057E+0611777.17811.-34180.-41452.
103-0.42258E+06-0.42121E+061170.17160.6-41452.-43499.
104-0.41172E+06-0.41015E+06-19515.-13575.-43499.-35367.
105-0.39905E+06-0.39728E+06-53309.-47427.-35367.-10609.
106-0.38455E+06-0.38257E+06-0.10247E+06-96649.-10609.38327.
107-0.40102E+06-0.39682E+06-27079.-22368.38327.50804.
108-0.38943E+06-0.38438E+06-34916.-31135.508
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