8.4  ȫ׮
8.4.3  ģ
2. ϡʵ͵ԪͶ
/TITLEMechanical analysis on railway tunnel 2nd lining  ! ȷ
/NOPR   !˵
KEYWPR_STRUC1  !ṹֲ˵
/PREP7                 !ǰ
ET,1,SOLID45           !ѡ8ڵʵ嵥Ԫ
MP,DENS,1,,2500   !ܶ
MP,EX,1,,30e9      !뵯ģ
MP,PRXY,1,,0.2     !벴ɱ
SAVE                 !ݿ
3. ģ
K,1 ,-4,0,-4,                    !̨ؼ
K,2 ,-4,0,4, 
K,3 ,4,0,4,  
K,4 ,4,0,-4, 
K,5 ,-4,1,-4,
K,6 ,-4,1,4, 
K,7 ,4,1,4,  
K,8 ,4,1,-4, 
K,9 ,-2,1,-2,                    !׮λùؼ
K,10 ,-2,1,2, 
K,11 ,2,1,2,  
K, 12,2,1,-2,
V, 1, 2, 3, 4, 5, 6, 7, 8            !ͨؼ㴴ʵ壬ͼ8-37
wpoff,0,1,0                    !ƶֲϵ
wprot,0,90,0                   !תֲϵ
CYL4,-2,-2,1, , , ,21             !ĸ׮Բ
CYL4,-2,2,1, , , ,21
CYL4,2,2,1, , , ,21 
CYL4,2,-2,1, , , ,21
wprot,0,-90,0                   !תֲϵ
wpoff,0,-1,0                    !ƶֲϵ
VOVLAP,1,2,3,4,5               !岼
SAVE                         !, ɵʵ弸ģͼ8-38ʾ
 

4. Ԫ񻮷
NUMMRG,ALL, , , ,LOW              !ϲԪ
NUMCMP,ALL                      !ѹԪر
LESIZE,ҪֵԪߵı, , ,Ԫֵĸ, , , , , ,              
!õԪС, ÿҪֵĵԪͼ8-39ͼ8-40ʾ
VSWEEP,1,,,                         !ɨ跽ʽеԪ
VSWEEP,2,,,
VSWEEP,3,,,
VSWEEP,4,,,
VSWEEP,5,,,
VSWEEP,6,,,
VSWEEP,7,,,
VSWEEP,8,,,
VSWEEP,9,,,
SAVE                        !, ɵͼ8-41ʾ
Finish                        !Main Menu ˵
 

8.4.4 
1. 
1ĸ׮ײڵʩӡUxUy͡UzԼ
/SOL                          !
Allsel                   !ѡ
ASEL,S,,,6                     !ѡ׮ĵ
ASEL,S,,,8
ASEL,S,,,10
ASEL,S,,,12
NSLA,R,1                      !ѡ׮ĵϵĽڵ
D,all, , , , , ,ALL, , , , ,             !ѡнڵʩλԼ
2ʩٶȡ
ACEL,0,10,0,                    !Yʩٶ
3ʩ߽ϺغλƱ߽ļģͼͼ8-42
SFA,5,1,PRES,1875000            !ڳ̨ʩѹ
SFA,7,1,PRES,1875000            
SFA,9,1,PRES,1875000            
SFA,11,1,PRES,1875000            
SFA,34,1,PRES,1875000            
            

2. 
1ǰá
Allsel                   !ѡ
Outres,all,all              !
2⡣
Solve                    !
Finish                    !Main Menu ˵
SAVE  
8.4.5 
1.鿴κλƽ
(1)Ʊͼͼ8-43ʾ·ΪGeneral Postproc> Plot Results > Deformed Shape > DefUndeformed
/POST1                            !
PLDISP,1                           !Ʊκδͼ
(2)Yλͼͼ8-44ʾ·ΪGeneral Postproc> Plot Results > Contour Plot>Nodal Solu>DOF Solution>Translation UY
PLNSOL,U,Y,0,1                    !Yλͼ


2.鿴Ӧ
(1)YӦͼͼ8-45ʾ·ΪGeneral Postproc> Plot Results > Contour Plot>Nodal Solu>Stress>SY
PLNSOL,S,Y,0,1                      !YӦͼ


(2)ƵһӦͼͼ8-46ʾ·ΪGeneral Postproc> Plot Results > Contour Plot>Nodal Solu>Stress>S1
PLNSOL,S,1,0,1                      !ƵһӦͼ
(3)ƵӦͼͼ8-47ʾ·ΪGeneral Postproc> Plot Results > Contour Plot>Nodal Solu>Stress>S3
PLNSOL,S,3,0,1                      !ƵӦͼ



