Analisis Kontak (2)¶
Analisis ini menggunakan data di tutorial/10_contact_2tubes.
Objek Analisis¶
Analisis ini merupakan masalah indentasi silinder. Gambar 4.10.1 menunjukkan geometri yang dianalisis, dan Gambar 4.10.2 menunjukkan data mesh.
| Item | Deskripsi | Catatan | Referensi |
|---|---|---|---|
| Jenis analisis | Analisis statik nonlinear (elastisitas, kontak) | !SOLUTION,TYPE=NLSTATIC !CONTACT | |
| Jumlah titik kontak | 4,000 | ||
| Jumlah elemen | 2,888 | ||
| Jenis elemen | Elemen heksahedral linier 8-node | !ELEMENT,TYPE=361 | |
| Nama material | M1 | !MATERIAL,NAME=M1 | |
| Sifat material | ELASTIC | !ELASTIC | |
| Kondisi batas | Pengekangan, perpindahan yang ditentukan | ||
| Solver matriks | Metode langsung | !SOLVER,METHOD=MUMPS |
Gambar 4.10.1 Geometri model analisis
Gambar 4.10.2 Data mesh model analisis
Rincian Analisis¶
Analisis kontak dilakukan dengan metode pengali Lagrange dengan menerapkan perpindahan yang ditentukan dalam arah indentasi pada permukaan perpindahan yang ditentukan yang ditunjukkan pada Gambar 4.10.1. Data kontrol analisis ditunjukkan di bawah ini.
Data Kontrol Analisis 2tubes.cnt¶
# Control File for FISTR
## Analysis Control
!VERSION
3
!SOLUTION, TYPE=NLSTATIC
!WRITE,RESULT
!WRITE,VISUAL
## Solver Control
### Boundary Condition
!BOUNDARY, GRPID=1
X0, 1, 3, 0.0
Y0, 2, 2, 0.0
Z0, 3, 3, 0.0
!BOUNDARY, GRPID=2
X1, 1, 1, 0.0
!BOUNDARY, GRPID=3
X1, 1, 1, -1.0
!CONTACT_ALGO, TYPE=SLAGRANGE
!CONTACT, GRPID=1, INTERACTION=FSLID, NPENALTY=1.0e+2
CP1, 0.0, 1.0e+5
### STEP
!STEP, SUBSTEPS=4, CONVERG=1.0e-5
BOUNDARY, 1
BOUNDARY, 3
CONTACT, 1
### Material
!MATERIAL, NAME=M1
!ELASTIC
2.1e+5, 0.3
### Solver Setting
!SOLVER,METHOD=MUMPS
## Post Control
!VISUAL,method=PSR
!surface_num=1
!surface 1
!output_type=VTK
!END
Prosedur Analisis¶
Jalankan perintah eksekusi FrontISTR fistr1.
(Dijalankan dengan 4 thread)
Hasil Analisis¶
Untuk sublangkah keempat, bentuk terdeformasi dengan kontur tegangan von Mises dibuat menggunakan REVOCAP_PrePost dan ditunjukkan pada Gambar 4.10.3. Sebagai data numerik hasil analisis, cuplikan dari berkas log hasil analisis ditunjukkan di bawah ini.
Gambar 4.10.3 Hasil analisis: deformasi dan tegangan von Mises
Log Hasil Analisis 0.log¶
fstr_setup: OK
#### Result step= 0
##### Local Summary @Node :Max/IdMax/Min/IdMin####
//U1 0.0000E+00 1 0.0000E+00 1
//U2 0.0000E+00 1 0.0000E+00 1
//U3 0.0000E+00 1 0.0000E+00 1
//E11 0.0000E+00 1 0.0000E+00 1
//E22 0.0000E+00 1 0.0000E+00 1
//E33 0.0000E+00 1 0.0000E+00 1
//E12 0.0000E+00 1 0.0000E+00 1
//E23 0.0000E+00 1 0.0000E+00 1
//E31 0.0000E+00 1 0.0000E+00 1
//S11 0.0000E+00 1 0.0000E+00 1
//S22 0.0000E+00 1 0.0000E+00 1
//S33 0.0000E+00 1 0.0000E+00 1
//S12 0.0000E+00 1 0.0000E+00 1
//S23 0.0000E+00 1 0.0000E+00 1
//S31 0.0000E+00 1 0.0000E+00 1
//SMS 0.0000E+00 1 0.0000E+00 1
##### Local Summary @Element :Max/IdMax/Min/IdMin####
//E11 0.0000E+00 1 0.0000E+00 1
//E22 0.0000E+00 1 0.0000E+00 1
//E33 0.0000E+00 1 0.0000E+00 1
//E12 0.0000E+00 1 0.0000E+00 1
//E23 0.0000E+00 1 0.0000E+00 1
//E31 0.0000E+00 1 0.0000E+00 1
//S11 0.0000E+00 1 0.0000E+00 1
//S22 0.0000E+00 1 0.0000E+00 1
//S33 0.0000E+00 1 0.0000E+00 1
//S12 0.0000E+00 1 0.0000E+00 1
//S23 0.0000E+00 1 0.0000E+00 1
//S31 0.0000E+00 1 0.0000E+00 1
//SMS 0.0000E+00 1 0.0000E+00 1
##### Global Summary @Node :Max/IdMax/Min/IdMin####
//U1 0.0000E+00 1 0.0000E+00 1
//U2 0.0000E+00 1 0.0000E+00 1
//U3 0.0000E+00 1 0.0000E+00 1
//E11 0.0000E+00 1 0.0000E+00 1
//E22 0.0000E+00 1 0.0000E+00 1
//E33 0.0000E+00 1 0.0000E+00 1
//E12 0.0000E+00 1 0.0000E+00 1
//E23 0.0000E+00 1 0.0000E+00 1
//E31 0.0000E+00 1 0.0000E+00 1
//S11 0.0000E+00 1 0.0000E+00 1
//S22 0.0000E+00 1 0.0000E+00 1
//S33 0.0000E+00 1 0.0000E+00 1
//S12 0.0000E+00 1 0.0000E+00 1
//S23 0.0000E+00 1 0.0000E+00 1
//S31 0.0000E+00 1 0.0000E+00 1
//SMS 0.0000E+00 1 0.0000E+00 1
##### Global Summary @Element :Max/IdMax/Min/IdMin####
//E11 0.0000E+00 1 0.0000E+00 1
//E22 0.0000E+00 1 0.0000E+00 1
//E33 0.0000E+00 1 0.0000E+00 1
//E12 0.0000E+00 1 0.0000E+00 1
//E23 0.0000E+00 1 0.0000E+00 1
//E31 0.0000E+00 1 0.0000E+00 1
//S11 0.0000E+00 1 0.0000E+00 1
//S22 0.0000E+00 1 0.0000E+00 1
//S33 0.0000E+00 1 0.0000E+00 1
//S12 0.0000E+00 1 0.0000E+00 1
//S23 0.0000E+00 1 0.0000E+00 1
//S31 0.0000E+00 1 0.0000E+00 1
//SMS 0.0000E+00 1 0.0000E+00 1
...
#### Result step= 4
##### Local Summary @Node :Max/IdMax/Min/IdMin####
//U1 8.7136E-04 32 -1.0021E+00 2006
//U2 8.7633E-03 104 -7.0546E-03 2006
//U3 8.7634E-03 4 -7.0546E-03 1901
//E11 7.5985E-04 1901 -4.1250E-04 105
//E22 9.8385E-04 2 -9.3128E-04 2058
//E33 9.8386E-04 102 -9.3120E-04 3843
//E12 5.3544E-04 133 -2.8361E-04 278
//E23 1.2509E-03 1901 -1.4195E-03 4
//E31 5.3554E-04 33 -2.8366E-04 1678
//S11 7.7172E+01 103 -8.9880E+01 101
//S22 2.0158E+02 2 -2.2918E+02 1905
//S33 2.0159E+02 102 -2.2920E+02 2010
//S12 4.3210E+01 133 -2.2913E+01 278
//S23 1.0057E+02 1901 -1.1446E+02 4
//S31 4.3219E+01 33 -2.2918E+01 1678
//SMS 3.0051E+02 1901 3.1670E+00 2454
##### Local Summary @Element :Max/IdMax/Min/IdMin####
//E11 4.3715E-04 2809 -3.1965E-04 1293
//E22 8.8407E-04 73 -7.9864E-04 1369
//E33 8.8408E-04 1365 -7.9867E-04 2809
//E12 5.3226E-04 1324 -1.9554E-04 188
//E23 1.0836E-03 2149 -1.0974E-03 684
//E31 5.3223E-04 32 -1.9559E-04 1176
//S11 6.6688E+01 1296 -7.9313E+01 1293
//S22 1.8533E+02 73 -2.1547E+02 1369
//S33 1.8533E+02 1365 -2.1548E+02 2809
//S12 4.2951E+01 1324 -1.5800E+01 188
//S23 8.7338E+01 2149 -8.8751E+01 684
//S31 4.2949E+01 32 -1.5804E+01 1176
//SMS 1.9064E+02 1369 3.2782E+00 2126
##### Global Summary @Node :Max/IdMax/Min/IdMin####
//U1 8.7136E-04 32 -1.0021E+00 2006
//U2 8.7633E-03 104 -7.0546E-03 2006
//U3 8.7634E-03 4 -7.0546E-03 1901
//E11 7.5985E-04 1901 -4.1250E-04 105
//E22 9.8385E-04 2 -9.3128E-04 2058
//E33 9.8386E-04 102 -9.3120E-04 3843
//E12 5.3544E-04 133 -2.8361E-04 278
//E23 1.2509E-03 1901 -1.4195E-03 4
//E31 5.3554E-04 33 -2.8366E-04 1678
//S11 7.7172E+01 103 -8.9880E+01 101
//S22 2.0158E+02 2 -2.2918E+02 1905
//S33 2.0159E+02 102 -2.2920E+02 2010
//S12 4.3210E+01 133 -2.2913E+01 278
//S23 1.0057E+02 1901 -1.1446E+02 4
//S31 4.3219E+01 33 -2.2918E+01 1678
//SMS 3.0051E+02 1901 3.1670E+00 2454
##### Global Summary @Element :Max/IdMax/Min/IdMin####
//E11 4.3715E-04 2809 -3.1965E-04 1293
//E22 8.8407E-04 73 -7.9864E-04 1369
//E33 8.8408E-04 1365 -7.9867E-04 2809
//E12 5.3226E-04 1324 -1.9554E-04 188
//E23 1.0836E-03 2149 -1.0974E-03 684
//E31 5.3223E-04 32 -1.9559E-04 1176
//S11 6.6688E+01 1296 -7.9313E+01 1293
//S22 1.8533E+02 73 -2.1547E+02 1369
//S33 1.8533E+02 1365 -2.1548E+02 2809
//S12 4.2951E+01 1324 -1.5800E+01 188
//S23 8.7338E+01 2149 -8.8751E+01 684
//S31 4.2949E+01 32 -1.5804E+01 1176
//SMS 1.9064E+02 1369 3.2782E+00 2126