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Mittelineaarne kontakt-dünaamiline analüüs¶
Selles analüüsis kasutatakse tutorial/14_dynamic_plate_contact andmeid.
Analüüsiobjekt¶
Analüüsiobjekt on ruutvarda kukkumislöögi analüüs põrandapinnale; geomeetria on näidatud joonisel 4.14.1 ja võrguandmed joonisel 4.14.2.
| Kirje | Kirjeldus | Märkused | Viide |
|---|---|---|---|
| Analüüsi tüüp | Mittelineaarne kontakt-dünaamiline analüüs | !SOLUTION,TYPE=DYNAMIC !DYNAMIC,TYPE=NONLINEAR !CONTACT | |
| Sõlmede arv | 10,712 | ||
| Elementide arv | 8,232 | ||
| Elemendi tüüp | 8-sõlmeline heksaeedriline element | !ELEMENT,TYPE=361 | |
| Materjali nimi | M1, M2 | !MATERIAL,NAME=M1 !MATERIAL,NAME=M2 | |
| Materjali omadused | ELASTIC, PLASTIC | !ELASTIC !PLASTIC | |
| Rajatingimused | Kinnitus, algkiirus | !VELOCITY,TYPE=INITIAL | |
| Maatrikslahendaja | Otsemeetod | !SOLVER,METHOD=MUMPS |
Joonis 4.14.1: põrandapinna ja ruutvarda kuju
Joonis 4.14.2: põrandapinna ja ruutvarda võrguandmed
Analüüsi sisu¶
Määrake analüüsitavale ruutvardale algkiirus 4427 mm/s ja tehke kontakt-dünaamiline analüüs. Analüüsi juhtandmed on toodud allpool.
Analüüsi juhtandmed 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
Analüüsitulemused¶
Kukkumislöögi ajal tekkivate Misesi pingete kontuurdiagramm on näidatud joonisel 4.14.3. Lisaks on analüüsitulemuste arvandmetena allpool toodud osa jälgimissõlmede energiaväljundfailist (dyna_energy.txt).
Joonis 4.14.3: kukkumislöögi Misesi pinge
Jälgimissõlme energia 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
Analüüsitulemuste logi 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