• 两个橡胶球自由落体撞击弹性板


    1.问题描述

     

    两个高度不同的橡胶球,向下自由落体,撞击一个固定的弹性板;对该现象进行模拟。

    软       件:LS-DYNA

    材料模型:MAT_BLATZ-KO_RUBBER(橡胶)

    接触类型:自动面面接触(CONTACT_AUTOMATIC_SURFACE_TO_SURFACE)

    关键   字:LOAD_BODY_GENERALIZED DEFINE_CURVE

    2.计算结果  

     

    下面给出该计算得到的结果,不再进行具体受力分析讨论。希望有兴趣的朋友共同交流。

    3.关键字文件

     

      1 *KEYWORD
      2 *DATABASE_FORMAT
      3          0
      4 $
      5 $
      6 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
      7 $                               NODE DEFINITIONS                               $
      8 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
      9 $
     10 *NODE
     11        1 0.000000000E+00 2.000000000E+01 0.000000000E+00       0       0
     12        2 0.000000000E+00 2.000000000E+01-5.000000000E+00       0       0
     13      .......................
     14     3038-1.851977195E+01 9.999999959E-01-1.593175045E+01       0       0
     15     3041-2.168197780E+01 9.999999990E-01-1.854674282E+01       0       0
     16 $
     17 $
     18 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     19 $                             SECTION DEFINITIONS                              $
     20 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     21 $
     22 *SECTION_SOLID
     23          1         1
     24 $
     25 $
     26 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     27 $                             MATERIAL DEFINITIONS                             $
     28 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     29 $
     30 $橡胶
     31 *MAT_BLATZ-KO_RUBBER
     32 1,1.05E-3,9.0
     33 *MAT_BLATZ-KO_RUBBER
     34 2,1.05E-3,9.0
     35 *MAT_ELASTIC
     36 3,7.8E-3,210E3,0.3
     37 $
     38 $
     39 $
     40 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     41 $                              PARTS DEFINITIONS                               $
     42 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     43 $
     44 $
     45 *PART
     46 Part          1 for Mat         1 and Elem Type         1
     47          1         1         1         0         0         0         0
     48 $
     49 *PART
     50 Part          2 for Mat         2 and Elem Type         1
     51          2         1         2         0         0         0         0
     52 $
     53 *PART
     54 Part          3 for Mat         3 and Elem Type         1
     55          3         1         3         0         0         0         0
     56 $
     57 $
     58 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     59 $                             ELEMENT DEFINITIONS                              $
     60 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     61 $
     62 *ELEMENT_SOLID
     63        1       1      70      74      87      71      93     132     144     106
     64        2       1      74      75      86      87     132     134     148     144
     65   ........................
     66     2062       3    3023    3032    2454    2455    2673    2672    2435    2436
     67     2063       3    3032    3041    2453    2454    2672    2671    2434    2435
     68     2064       3    3041    2781    2452    2453    2671    2500    2433    2434
     69 $
     70 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     71 $                             BOUNDARY DEFINITIONS                             $
     72 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
     73 $
     74 *SET_NODE_LIST
     75          1     0.000     0.000     0.000     0.000
     76          1         8        14        15        16        17        18        38
     77         44        45        46        47        48        68        69        70
     78         71        72        73        74        75        76        77        78
     79       ....................
     80       2464      2465      2466      2467      2468      2469      2470      2471
     81       2472      2473      2474      2475      2476      2477      2478      2479
     82       2480      2752      2753      2754      2755      2756      2757      2758
     83       2759      2760      2761      2762      2763      2764      2765      2766
     84       2767      2768      2769      2770
     85 *BOUNDARY_SPC_SET
     86          1         0         0         0         1         0         0         0
     87 *SET_NODE_LIST
     88          2     0.000     0.000     0.000     0.000
     89       1119      1120      1121      1122      1123      1124      1125      1126
     90       1127      1128      1129      1130      1131      1132      1133      1134
     91       1135      1136      1137      1138      1139      1140      1141      1142
     92       1143      1144      1145      1146      1147      1148      1149      1150
     93    ..................................
     94       2397      2398      2399      2400      2401      2402      2403      2404
     95       2405      2406      2407      2408      2409      2410      2411      2412
     96       2413      2414      2415      2416      2417      2418      2419      2420
     97       2421
     98 *BOUNDARY_SPC_SET
     99          2         0         1         1         1         0         0         0
    100 $
    101 $
    102 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    103 $                              CONTACT DEFINITIONS                             $
    104 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    105 $
    106 *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE
    107          1         2         3         3         0         0         0         0
    108  0.000     0.000     0.000     0.000     0.000             0 0.000    0.1000E+08
    109  1.000     1.000     0.000     0.000     1.000     1.000     1.000     1.000    
    110 *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE
    111          1         3         3         3         0         0         0         0
    112  0.000     0.000     0.000     0.000     0.000             0 0.000    0.1000E+08
    113  1.000     1.000     0.000     0.000     1.000     1.000     1.000     1.000    
    114 *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE
    115          2         3         3         3         0         0         0         0
    116  0.000     0.000     0.000     0.000     0.000             0 0.000    0.1000E+08
    117  1.000     1.000     0.000     0.000     1.000     1.000     1.000     1.000    
    118 $
    119 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    120 $                              CONTROL OPTIONS                                 $
    121 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    122 $
    123 *DEFINE_CURVE
    124          1         0     1.000     1.000     0.000     0.000
    125   0.000000000000E+00  9.800000000000E-00
    126   1.000000000000E+02  9.800000000000E-00
    127 *LOAD_BODY_GENERALIZED
    128          1      1118         1         0     0.000     0.000     0.000
    129     0.0000    1.0000    0.0000    0.0000    0.0000    0.0000
    130 $
    131 *CONTROL_ENERGY
    132          2         2         2         2
    133 *CONTROL_SHELL
    134   20.0             1        -1         1         2         2         1
    135 *CONTROL_TIMESTEP
    136     0.0000    0.9000         0  0.00      0.00    
    137 *CONTROL_TERMINATION
    138 8
    139 $
    140 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    141 $                                 TIME HISTORY                                 $
    142 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    143 $
    144 *DATABASE_BINARY_D3PLOT
    145 0.2    
    146 *DATABASE_BINARY_D3THDT
    147 0.2
    148 $
    149 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    150 $                              DATABASE OPTIONS                                $
    151 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    152 $
    153 *DATABASE_EXTENT_BINARY
    154          0         0         3         1         0         0         0         0
    155          0         0         4         0         0         0
    156 $
    157 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    158 $                         INITIAL VELOCITY DEFINITIONS                         $
    159 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
    160 $
    161 *SET_NODE_LIST
    162          3     0.000     0.000     0.000     0.000
    163          1         2         3         4         5         6         7         8
    164       .......................
    165        537       538       539       540       541       542       543       544
    166        545       546       547       548       549       550       551       552
    167        553       554       555       556       557       558       559
    168 *INITIAL_VELOCITY
    169          3         0         0
    170  0.000     0.000     0.000     0.000     0.000     0.000    
    171 *SET_NODE_LIST
    172          4     0.000     0.000     0.000     0.000
    173        560       561       562       563       564       565       566       567
    174        568       569       570       571       572       573       574       575
    175        576       577       578       579       580       581       582       583
    176     .................
    177       1104      1105      1106      1107      1108      1109      1110      1111
    178       1112      1113      1114      1115      1116      1117      1118
    179 *INITIAL_VELOCITY
    180          4         0         0
    181  0.000     0.000     0.000     0.000     0.000     0.000    
    182 *END

    4.说明

    需要K文件或者lgw文件的朋友,请通过邮件fuyude#gmail.com联系我。

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  • 原文地址:https://www.cnblogs.com/fuyude/p/1841385.html
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