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Doğrusal Olmayan Dinamik Temas Analizi

Bu analiz tutorial/14_dynamic_plate_contact içindeki verileri kullanır.

Analiz Modeli

Analiz, zemine düşen kare kesitli bir çubuğun çarpmasını modeller. Şekil 4.14.1 geometriyi, Şekil 4.14.2 ise ağ verilerini gösterir.

Öğe Açıklama Notlar Referans
Analiz türü Doğrusal olmayan dinamik temas analizi !SOLUTION,TYPE=DYNAMIC !DYNAMIC,TYPE=NONLINEAR !CONTACT
Düğüm sayısı 10,712
Eleman sayısı 8,232
Eleman türü 8 düğümlü heksahedral eleman !ELEMENT,TYPE=361
Malzeme adları M1, M2 !MATERIAL,NAME=M1 !MATERIAL,NAME=M2
Malzeme özellikleri ELASTIC, PLASTIC !ELASTIC !PLASTIC
Sınır koşulları Kısıtlamalar, başlangıç hızı !VELOCITY,TYPE=INITIAL
Doğrusal çözücü Doğrudan yöntem !SOLVER,METHOD=MUMPS

Zemin ve kare kesitli çubuğun geometrisi

Şekil 4.14.1 Zemin ve kare kesitli çubuğun geometrisi

Zemin ve kare kesitli çubuğun ağ verileri

Şekil 4.14.2 Zemin ve kare kesitli çubuğun ağ verileri

Analiz Açıklaması

Kare kesitli çubuğa 4427 mm/s başlangıç hızı atanır ve dinamik temas analizi gerçekleştirilir. Analiz kontrol verileri aşağıda gösterilmiştir.

Analiz Kontrol Verileri 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

Analiz Sonuçları

Şekil 4.14.3 çarpma sırasındaki von Mises gerilmesinin kontur grafiğini gösterir. Sayısal analiz sonuçları olarak izleme düğümüne ait enerji çıktı dosyasından (dyna_energy.txt) bir kesit aşağıda gösterilmiştir.

Çarpma sırasındaki von Mises gerilmesi

Şekil 4.14.3 Çarpma sırasındaki von Mises gerilmesi

İzleme Düğümünün Enerjisi dyna_energey.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

Analiz Sonucu Günlüğü 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