Kontaktna analiza (3. del)¶
Za to analizo se uporabljajo podatki iz tutorial/11_contact_2beam.
Predmet analize¶
Analiza obravnava kontaktni problem med dvema nosilcema; pregled analiznega modela je prikazan na sliki 4.11.1.
| Postavka | Opis | Opombe | Sklic |
|---|---|---|---|
| Vrsta analize | Nelinearna statična analiza (elastoplastičnost, stik) | !SOLUTION,TYPE=NLSTATIC !CONTACT | |
| Število vozlišč | 252 | ||
| Število elementov | 80 | ||
| Vrsta elementa | 8-vozliščni linearni heksaedrski element | !ELEMENT,TYPE=361 | |
| Ime materiala | M1 | !MATERIAL,NAME=M1 | |
| Materialne lastnosti | ELASTIC, PLASTIC | !ELASTIC !PLASTIC | |
| Robni pogoji | Vpetje, predpisani pomik | ||
| Matrični reševalnik | Neposredna metoda | !SOLVER,METHOD=MUMPS |

Slika 4.11.1 Pregled analiznega modela
Vsebina analize¶
Za kontaktno analizo se uporablja metoda Lagrangeevih multiplikatorjev, pri čemer se zgornji ploskvi zgornjega nosilca predpiše pomik. Krmilni podatki analize so prikazani spodaj.
Krmilni podatki analize 2beams.cnt¶
!!
!! Control File for FISTR
!!
!VERSION
3
!SOLUTION, TYPE=NLSTATIC
!WRITE,RESULT
!WRITE,VISUAL
!BOUNDARY, GRPID=1
ng1, 1, 3, 0.0
ng2, 1, 3, 0.0
ng3, 3, 3, -3.0
!CONTACT_ALGO, TYPE=SLAGRANGE
!CONTACT, GRPID=1, INTERACTION=FSLID
CP1, 0.0, 1.0e+5
!STEP, SUBSTEPS=100, CONVERG=1.0e-4, MAXITER=1000
BOUNDARY, 1
CONTACT, 1
!MATERIAL, NAME=M1
!ELASTIC
2.1e+5, 0.3
!PLASTIC,YIELD=MISES
500.0, 10.0
!SOLVER,METHOD=MUMPS
## Post Control
!VISUAL,method=PSR
!surface_num=1
!surface 1
!output_type=VTK
!END
Postopek analize¶
Izvedite ukaz FrontISTR fistr1.
(Izvajanje v 4 nitih.)
Rezultati analize¶
Rezultati 100. podkoraka so prikazani na sliki 4.11.2. REVOCAP_PrePost izdela diagram deformirane oblike z dodanimi konturami Misesove napetosti. Del dnevniške datoteke rezultatov analize je spodaj prikazan kot numerični podatek rezultatov analize.

Slika 4.11.2: Rezultati analize deformacije in Misesove napetosti
Dnevnik rezultatov analize 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= 100
##### Local Summary @Node :Max/IdMax/Min/IdMin####
//U1 1.4052E-01 196 -6.1114E-01 6
//U2 4.5562E-02 11 -4.5562E-02 195
//U3 0.0000E+00 1 -3.0000E+00 8
//E11 1.5391E-01 11 -1.2825E-01 49
//E22 5.8868E-02 49 -7.4361E-02 195
//E33 7.2825E-02 152 -8.2406E-02 132
//E12 8.9678E-02 7 -8.9678E-02 192
//E23 9.9327E-02 11 -9.9327E-02 195
//E31 8.0649E-02 153 -1.3281E-01 7
//S11 5.7908E+02 132 -6.3560E+02 89
//S22 1.3056E+02 3 -1.2707E+02 10
//S33 1.5273E+02 3 -1.4227E+02 1
//S12 1.4313E+02 3 -1.4313E+02 129
//S23 1.8051E+02 109 -1.8051E+02 172
//S31 1.5818E+02 153 -2.4710E+02 194
//SMS 6.2325E+02 152 8.3543E+00 128
##### Local Summary @Element :Max/IdMax/Min/IdMin####
//E11 8.2835E-02 43 -5.4976E-02 2
//E22 1.7707E-02 44 -2.6416E-02 43
//E33 3.7575E-02 2 -5.6705E-02 22
//E12 1.0513E-11 2 -2.5044E-11 22
//E23 6.2706E-12 2 -1.8208E-11 42
//E31 2.2838E-02 2 -6.5650E-02 43
//S11 5.3959E+02 21 -4.8101E+02 1
//S22 1.9112E+02 21 -2.2398E+02 1
//S33 4.5634E+01 25 -6.1476E+01 1
//S12 3.4435E-07 2 -2.4339E-07 42
//S23 5.4042E-07 1 -6.6410E-07 22
//S31 1.0158E+02 4 -1.3326E+02 24
//SMS 4.6388E+02 22 1.0584E+01 20
##### Global Summary @Node :Max/IdMax/Min/IdMin####
//U1 1.4052E-01 196 -6.1114E-01 6
//U2 4.5562E-02 11 -4.5562E-02 195
//U3 0.0000E+00 1 -3.0000E+00 8
//E11 1.5391E-01 11 -1.2825E-01 49
//E22 5.8868E-02 49 -7.4361E-02 195
//E33 7.2825E-02 152 -8.2406E-02 132
//E12 8.9678E-02 7 -8.9678E-02 192
//E23 9.9327E-02 11 -9.9327E-02 195
//E31 8.0649E-02 153 -1.3281E-01 7
//S11 5.7908E+02 132 -6.3560E+02 89
//S22 1.3056E+02 3 -1.2707E+02 10
//S33 1.5273E+02 3 -1.4227E+02 1
//S12 1.4313E+02 3 -1.4313E+02 129
//S23 1.8051E+02 109 -1.8051E+02 172
//S31 1.5818E+02 153 -2.4710E+02 194
//SMS 6.2325E+02 152 8.3543E+00 128
##### Global Summary @Element :Max/IdMax/Min/IdMin####
//E11 8.2835E-02 43 -5.4976E-02 2
//E22 1.7707E-02 44 -2.6416E-02 43
//E33 3.7575E-02 2 -5.6705E-02 22
//E12 1.0513E-11 2 -2.5044E-11 22
//E23 6.2706E-12 2 -1.8208E-11 42
//E31 2.2838E-02 2 -6.5650E-02 43
//S11 5.3959E+02 21 -4.8101E+02 1
//S22 1.9112E+02 21 -2.2398E+02 1
//S33 4.5634E+01 25 -6.1476E+01 1
//S12 3.4435E-07 2 -2.4339E-07 42
//S23 5.4042E-07 1 -6.6410E-07 22
//S31 1.0158E+02 4 -1.3326E+02 24
//SMS 4.6388E+02 22 1.0584E+01 20