Snertigreining (3. hluti)¶
Þessi greining notar gögnin í tutorial/11_contact_2beam.
Greiningarviðfang¶
Greiningin er snertivandamál milli tveggja bita og yfirlit yfir greiningarlíkanið er sýnt á mynd 4.11.1.
| Atriði | Lýsing | Athugasemdir | Tilvísun |
|---|---|---|---|
| Greiningartegund | Ólínuleg stöðugreining (teygjuplast, snerting) | !SOLUTION,TYPE=NLSTATIC !CONTACT | |
| Fjöldi hnúta | 252 | ||
| Fjöldi staka | 80 | ||
| Stakategund | 8 hnúta línulegt sexflötungsstak | !ELEMENT,TYPE=361 | |
| Efnisheiti | M1 | !MATERIAL,NAME=M1 | |
| Efniseiginleikar | ELASTIC, PLASTIC | !ELASTIC !PLASTIC | |
| Jaðarskilyrði | Skorðun, fyrirskipuð færsla | ||
| Fylkjalausnir | Bein aðferð | !SOLVER,METHOD=MUMPS |
Mynd 4.11.1 Yfirlit greiningarlíkans
Greiningarlýsing¶
Lagrange-margfaldaraaðferðin er notuð í snertigreiningu þar sem þvinguð færsla er lögð á efra yfirborð efri bitans. Stýrigögn greiningarinnar eru sýnd hér að neðan.
Stýrigögn greiningar 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
Greiningarferli¶
Keyrið FrontISTR-skipunina fistr1.
(Keyrir með 4 þráðum.)
Greiningarniðurstöður¶
Niðurstöður 100. undirskrefs eru sýndar á mynd 4.11.2. Formbreytingarmynd með Mises-spennulínum er búin til með REVOCAP_PrePost. Hluti niðurstöðuannáls greiningarinnar er sýndur hér að neðan sem töluleg gögn fyrir greiningarniðurstöðurnar.
Mynd 4.11.2: Greiningarniðurstöður formbreytingar og Mises-spennu
Niðurstöðuannáll greiningar 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