Nelineárna kontaktná dynamická analýza¶
Táto analýza používa dáta z tutorial/14_dynamic_plate_contact.
Predmet analýzy¶
Predmetom analýzy je náraz pri páde štvorcového telesa na podlahovú plochu; geometria je znázornená na obrázku 4.14.1 a dáta siete na obrázku 4.14.2.
| Položka | Opis | Poznámky | Odkaz |
|---|---|---|---|
| Typ analýzy | Nelineárna kontaktná dynamická analýza | !SOLUTION,TYPE=DYNAMIC !DYNAMIC,TYPE=NONLINEAR !CONTACT | |
| Počet uzlov | 10,712 | ||
| Počet prvkov | 8,232 | ||
| Typ prvku | 8-uzlový hexaedrický prvok | !ELEMENT,TYPE=361 | |
| Názov materiálu | M1, M2 | !MATERIAL,NAME=M1 !MATERIAL,NAME=M2 | |
| Materiálové vlastnosti | ELASTIC, PLASTIC | !ELASTIC !PLASTIC | |
| Okrajové podmienky | Väzba, počiatočná rýchlosť | !VELOCITY,TYPE=INITIAL | |
| Maticový riešič | Priama metóda | !SOLVER,METHOD=MUMPS |
Obrázok 4.14.1: Tvar podlahovej plochy a štvorcového telesa
Obrázok 4.14.2: Dáta siete podlahovej plochy a štvorcového telesa
Obsah analýzy¶
Pre analyzovanú štvorcovú tyč nastavte počiatočnú rýchlosť 4427 mm/s a vykonajte kontaktnú dynamickú analýzu. Riadiace dáta analýzy sú uvedené nižšie.
Riadiace dáta analýzy plateToGround.cnt¶
!!
!! Control File for FISTR
!!
!VERSION
3
!WRITE,LOG,FREQUENCY=10
!WRITE,RESULT,FREQUENCY=10
!SOLUTION, TYPE=DYNAMIC
!DYNAMIC, TYPE=NONLINEAR
1 , 1
0.0, 1.0, 200, 1.0000e-8
0.65, 0.330625
1, 1, 0.0, 0.0
20, 2621, 1
1, 1, 1, 1, 1, 1
!BOUNDARY, GRPID = 1
bottom, 1, 3, 0.0
!VELOCITY, TYPE = INITIAL
plate, 3, 3, -4427.0
!CONTACT_ALGO, TYPE=SLAGRANGE
!CONTACT, GRPID=1, INTERACTION=FSLID
CP1, 0.0, 1.0e+5
!STEP, CONVERG=1.0e-5, ITMAX=100
BOUNDARY, 1
CONTACT, 1
!MATERIAL, NAME = M1
!ELASTIC
2.00000e+5, 0.3
!PLASTIC
1.0e+8, 0.0
!MATERIAL, NAME = M2
!ELASTIC
1.16992e+5, 0.3
!PLASTIC
70.0, 0.0
!SOLVER,METHOD=MUMPS
!END
Výsledky analýzy¶
Kontúrový diagram Misesovho napätia pri náraze pádom je znázornený na obrázku 4.14.3. Okrem toho je nižšie ako číselný údaj výsledkov analýzy uvedená časť súboru výstupu energie monitorovacieho uzla (dyna_energy.txt).
Obrázok 4.14.3: Misesovo napätie pri náraze pádom
Energia monitorovacieho uzla dyna_energy.txt¶
time step time kinetic energy strain energy total energy
0 0.0000E+000 9.7816E-003 0.0000E+000 9.7816E-003
1 1.0000E-008 9.7756E-003 4.9470E-006 9.7806E-003
2 2.0000E-008 9.7654E-003 1.4636E-005 9.7800E-003
3 3.0000E-008 9.7566E-003 2.2609E-005 9.7792E-003
4 4.0000E-008 9.7505E-003 3.7965E-005 9.7884E-003
5 5.0000E-008 9.7425E-003 6.4932E-005 9.8074E-003
6 6.0000E-008 9.7214E-003 8.4571E-005 9.8060E-003
7 7.0000E-008 9.7139E-003 9.0613E-005 9.8045E-003
8 8.0000E-008 9.7184E-003 1.0958E-004 9.8280E-003
9 9.0000E-008 9.7175E-003 1.5717E-004 9.8747E-003
10 1.0000E-007 9.6909E-003 1.7998E-004 9.8709E-003
11 1.1000E-007 9.6917E-003 1.9733E-004 9.8890E-003
12 1.2000E-007 9.7137E-003 2.2403E-004 9.9377E-003
13 1.3000E-007 9.6813E-003 2.4397E-004 9.9253E-003
Protokol výsledkov analýzy 0.log¶
fstr_setup: OK
#### Result step= 10
##### Local Summary @Node :Max/IdMax/Min/IdMin####
//U1 7.6111E-05 2780 -1.3733E-04 2807
//U2 3.5826E-04 2645 -3.5826E-04 2597
//U3 7.3650E-07 2599 -4.8426E-04 2785
//V1 1.0743E+03 2780 -2.1388E+03 2785
//V2 4.1975E+03 2645 -4.1975E+03 2597
//V3 3.4753E+02 2632 -5.2027E+03 2785
//A1 1.8419E+10 2797 -1.7512E+10 2790
//A2 1.6413E+10 2645 -1.6413E+10 2597
//A3 2.6159E+11 2632 -7.1824E+11 2598
//E11 5.5643E-03 2798 -3.1738E-03 2785
//E22 9.6885E-03 2598 -1.4502E-04 2780
//E33 2.6801E-03 2785 -1.5067E-02 2598
//E12 5.7146E-03 2778 -5.7146E-03 2782
//E23 8.8189E-03 2597 -8.8189E-03 2645
//E31 9.6709E-03 2785 -8.9273E-03 2780
//S11 2.3553E+01 2890 -6.9294E+01 2621
//S22 3.9504E+01 2797 -6.4266E+01 2621
//S33 1.5165E+01 2827 -1.3217E+02 2621
//S12 1.9751E+01 2778 -1.9751E+01 2782
//S23 1.9616E+01 2838 -1.9616E+01 2842
//S31 3.7803E+01 2868 -3.4973E+01 2867
//SMS 7.7288E+01 2840 1.4896E-13 10709
##### Local Summary @Element :Max/IdMax/Min/IdMin####
//E11 3.3315E-03 2188 -3.5688E-03 2198
//E22 4.2263E-03 2185 -1.6011E-05 1817
//E33 2.8970E-03 2198 -7.3958E-03 2185
//E12 4.8924E-03 2186 -4.8924E-03 2192
//E23 3.4853E-03 2205 -3.4853E-03 2208
//E31 1.1270E-02 2187 -9.6668E-03 2188
//S11 2.6052E+01 2241 -7.3461E+01 2189
//S22 5.6465E+01 2194 -7.8034E+01 2189
//S33 7.5395E+01 2194 -1.1968E+02 2189
//S12 1.3438E+01 2186 -1.3438E+01 2192
//S23 1.4576E+01 2205 -1.4576E+01 2208
//S31 3.5356E+01 2217 -3.3931E+01 2220
//SMS 6.8689E+01 2233 1.4239E-13 8230
##### Global Summary @Node :Max/IdMax/Min/IdMin####
//U1 7.6111E-05 2780 -1.3733E-04 2807
//U2 3.5826E-04 2645 -3.5826E-04 2597
//U3 7.3650E-07 2599 -4.8426E-04 2785
//V1 1.0743E+03 2780 -2.1388E+03 2785
//V2 4.1975E+03 2645 -4.1975E+03 2597
//V3 3.4753E+02 2632 -5.2027E+03 2785
//A1 1.8419E+10 2797 -1.7512E+10 2790
//A2 1.6413E+10 2645 -1.6413E+10 2597
//A3 2.6159E+11 2632 -7.1824E+11 2598
//E11 5.5643E-03 2798 -3.1738E-03 2785
//E22 9.6885E-03 2598 -1.4502E-04 2780
//E33 2.6801E-03 2785 -1.5067E-02 2598
//E12 5.7146E-03 2778 -5.7146E-03 2782
//E23 8.8189E-03 2597 -8.8189E-03 2645
//E31 9.6709E-03 2785 -8.9273E-03 2780
//S11 2.3553E+01 2890 -6.9294E+01 2621
//S22 3.9504E+01 2797 -6.4266E+01 2621
//S33 1.5165E+01 2827 -1.3217E+02 2621
//S12 1.9751E+01 2778 -1.9751E+01 2782
//S23 1.9616E+01 2838 -1.9616E+01 2842
//S31 3.7803E+01 2868 -3.4973E+01 2867
//SMS 7.7288E+01 2840 1.4896E-13 10709
##### Global Summary @Element :Max/IdMax/Min/IdMin####
//E11 3.3315E-03 2188 -3.5688E-03 2198
//E22 4.2263E-03 2185 -1.6011E-05 1817
//E33 2.8970E-03 2198 -7.3958E-03 2185
//E12 4.8924E-03 2186 -4.8924E-03 2192
//E23 3.4853E-03 2205 -3.4853E-03 2208
//E31 1.1270E-02 2187 -9.6668E-03 2188
//S11 2.6052E+01 2241 -7.3461E+01 2189
//S22 5.6465E+01 2194 -7.8034E+01 2189
//S33 7.5395E+01 2194 -1.1968E+02 2189
//S12 1.3438E+01 2186 -1.3438E+01 2192
//S23 1.4576E+01 2205 -1.4576E+01 2208
//S31 3.5356E+01 2217 -3.3931E+01 2220
//SMS 6.8689E+01 2233 1.4239E-13 8230
...
#### Result step= 200
##### Local Summary @Node :Max/IdMax/Min/IdMin####
//U1 1.0996E-03 2818 -2.9048E-03 2803
//U2 8.2012E-03 2645 -8.2012E-03 2597
//U3 1.1800E-06 2465 -8.5895E-03 5373
//V1 8.9566E+02 10712 -2.1228E+03 2831
//V2 3.4246E+03 2645 -3.4246E+03 2597
//V3 3.2884E+02 2794 -4.0108E+03 5377
//A1 2.1058E+09 9165 -1.2760E+09 4757
//A2 7.5110E+08 2769 -7.5110E+08 2478
//A3 4.4278E+09 8975 -1.0747E+09 2465
//E11 5.4925E-02 2838 -4.1160E-02 2788
//E22 2.2537E-01 2621 -4.2604E-04 2921
//E33 1.4576E-02 2815 -2.7463E-01 2621
//E12 9.7058E-02 2789 -9.7058E-02 2791
//E23 7.4272E-02 2779 -7.4272E-02 2781
//E31 1.3776E-01 2785 -1.5350E-01 2780
//S11 4.2677E+01 3113 -6.9474E+01 2621
//S22 4.7637E+01 2815 -4.2010E+01 2921
//S33 1.6261E+01 2853 -1.1496E+02 2780
//S12 2.2732E+01 2830 -2.2732E+01 2826
//S23 4.0309E+01 2597 -4.0309E+01 2645
//S31 3.8697E+01 2913 -3.7722E+01 3054
//SMS 9.0611E+01 2597 6.2561E-02 9662
##### Local Summary @Element :Max/IdMax/Min/IdMin####
//E11 5.4784E-02 2209 -4.6698E-02 2201
//E22 1.8822E-01 2188 -7.6612E-05 2323
//E33 2.2781E-02 2202 -2.2608E-01 2188
//E12 1.0327E-01 2193 -1.0327E-01 2196
//E23 4.0800E-02 2210 -4.0800E-02 2211
//E31 1.3391E-01 2189 -1.7023E-01 2194
//S11 4.3368E+01 2434 -7.5148E+01 2188
//S22 6.8745E+01 2203 -4.7855E+01 2048
//S33 7.0360E+01 2202 -1.1351E+02 2188
//S12 1.9354E+01 2193 -1.9354E+01 2196
//S23 1.4194E+01 1796 -1.4194E+01 1754
//S31 3.8915E+01 2367 -3.3190E+01 2298
//SMS 6.9701E+01 2187 3.8349E-02 7504
##### Global Summary @Node :Max/IdMax/Min/IdMin####
//U1 1.0996E-03 2818 -2.9048E-03 2803
//U2 8.2012E-03 2645 -8.2012E-03 2597
//U3 1.1800E-06 2465 -8.5895E-03 5373
//V1 8.9566E+02 10712 -2.1228E+03 2831
//V2 3.4246E+03 2645 -3.4246E+03 2597
//V3 3.2884E+02 2794 -4.0108E+03 5377
//A1 2.1058E+09 9165 -1.2760E+09 4757
//A2 7.5110E+08 2769 -7.5110E+08 2478
//A3 4.4278E+09 8975 -1.0747E+09 2465
//E11 5.4925E-02 2838 -4.1160E-02 2788
//E22 2.2537E-01 2621 -4.2604E-04 2921
//E33 1.4576E-02 2815 -2.7463E-01 2621
//E12 9.7058E-02 2789 -9.7058E-02 2791
//E23 7.4272E-02 2779 -7.4272E-02 2781
//E31 1.3776E-01 2785 -1.5350E-01 2780
//S11 4.2677E+01 3113 -6.9474E+01 2621
//S22 4.7637E+01 2815 -4.2010E+01 2921
//S33 1.6261E+01 2853 -1.1496E+02 2780
//S12 2.2732E+01 2830 -2.2732E+01 2826
//S23 4.0309E+01 2597 -4.0309E+01 2645
//S31 3.8697E+01 2913 -3.7722E+01 3054
//SMS 9.0611E+01 2597 6.2561E-02 9662
##### Global Summary @Element :Max/IdMax/Min/IdMin####
//E11 5.4784E-02 2209 -4.6698E-02 2201
//E22 1.8822E-01 2188 -7.6612E-05 2323
//E33 2.2781E-02 2202 -2.2608E-01 2188
//E12 1.0327E-01 2193 -1.0327E-01 2196
//E23 4.0800E-02 2210 -4.0800E-02 2211
//E31 1.3391E-01 2189 -1.7023E-01 2194
//S11 4.3368E+01 2434 -7.5148E+01 2188
//S22 6.8745E+01 2203 -4.7855E+01 2048
//S33 7.0360E+01 2202 -1.1351E+02 2188
//S12 1.9354E+01 2193 -1.9354E+01 2196
//S23 1.4194E+01 1796 -1.4194E+01 1754
//S31 3.8915E+01 2367 -3.3190E+01 2298
//SMS 6.9701E+01 2187 3.8349E-02 7504