MATLABで学ぶ振動工学 メタマテリアル・周期構造 3.1 (ユニットセルのFEMモデル)

Nastranのbdfデータを下記に添付します。

ちなみにモデル形状は下図です。

 

NASTRAN SYSTEM(442)=-1,SYSTEM(319)=1
ID FEMAP,FEMAP
SOL SEMODES
CEND
  TITLE = MSC/MD NASTRAN モーォ 解析セィエ
  ECHO = NONE
  DISPLACEMENT(PLOT) = ALL
  SPCFORCE(PLOT) = ALL
  ESE(PLOT) = ALL
  METHOD = 1
BEGIN BULK
PARAM,PRGPST,YES
PARAM,POST,-1
PARAM,OGEOM,NO
PARAM,AUTOSPC,YES
PARAM,GRDPNT,0
EIGRL          1                      10       0                    MASS
CORD2C         1       0      0.      0.      0.      0.      0.      1.+FEMAPC1
+FEMAPC1      1.      0.      1.        
CORD2S         2       0      0.      0.      0.      0.      0.      1.+FEMAPC2
+FEMAPC2      1.      0.      1.        
$ Femap Property 1 : プレート プロパティ
PSHELL         1       1      1.       1               1              0.
$ Femap Material 1 : 等方性 マテリアル
MAT1           1 210000.78947.37     .33   7.9-9      0.      0.        
GRID           1       0    -75.    -75.      0.       0
GRID           2       0    -75.    -50.      0.       0
GRID           3       0    -75.    -25.      0.       0
GRID           4       0    -75.      0.      0.       0
GRID           5       0    -75.     25.      0.       0
GRID           6       0    -75.     50.      0.       0
GRID           7       0    -75.     75.      0.       0
GRID           8       0    -50.    -75.      0.       0
GRID           9       0    -25.    -75.      0.       0
GRID          10       0      0.    -75.      0.       0
GRID          11       0     25.    -75.      0.       0
GRID          12       0     50.    -75.      0.       0
GRID          13       0     75.    -75.      0.       0
GRID          14       0     75.     75.      0.       0
GRID          15       0     75.     50.      0.       0
GRID          16       0     75.     25.      0.       0
GRID          17       0     75.      0.      0.       0
GRID          18       0     75.    -25.      0.       0
GRID          19       0     75.    -50.      0.       0
GRID          20       0    -50.     75.      0.       0
GRID          21       0    -25.     75.      0.       0
GRID          22       0      0.     75.      0.       0
GRID          23       0     25.     75.      0.       0
GRID          24       0     50.     75.      0.       0
GRID          25       0     40.      0.      0.       0
GRID          26       032.3606823.51141      0.       0
GRID          27       012.3606838.04226      0.       0
GRID          28       0-12.360738.04226      0.       0
GRID          29       0-32.360723.51141      0.       0
GRID          30       0    -40.4.899-15      0.       0
GRID          31       0-32.3607-23.5114      0.       0
GRID          32       0-12.3607-38.0423      0.       0
GRID          33       012.36068-38.0423      0.       0
GRID          34       032.36068-23.5114      0.       0
GRID          35       035.08533 -52.158      0.       0
GRID          36       0-34.328351.68627      0.       0
GRID          37       035.0853352.15803      0.       0
GRID          38       0-34.3283-51.6863      0.       0
GRID          39       0-55.0367-36.6569      0.       0
GRID          40       0-55.036736.65692      0.       0
GRID          41       0 55.171536.74268      0.       0
GRID          42       0 55.1715-36.7427      0.       0
GRID          43       0-55.479612.15357      0.       0
GRID          44       0-55.4796-12.1536      0.       0
GRID          45       055.4949312.16721      0.       0
GRID          46       055.49493-12.1672      0.       0
GRID          47       012.96581-59.2404      0.       0
GRID          48       012.9658159.24043      0.       0
GRID          49       0 -7.778856.15839      0.       0
GRID          50       0 -7.7788-56.1584      0.       0
GRID          51       058.04892-57.7489      0.       0
GRID          52       058.0489257.74889      0.       0
GRID          53       0-57.8908-57.6493      0.       0
GRID          54       0-57.890857.64925      0.       0
GRID          55       0     40.      0.     10.       0
GRID          56       032.36068-23.5114     10.       0
GRID          57       012.36068-38.0423     10.       0
GRID          58       0-12.3607-38.0423     10.       0
GRID          59       0-32.3607-23.5114     10.       0
GRID          60       0    -40.4.899-15     10.       0
GRID          61       0-32.360723.51141     10.       0
GRID          62       0-12.360738.04226     10.       0
GRID          63       012.3606838.04226     10.       0
GRID          64       032.3606823.51141     10.       0
GRID          65       02.50895817.14275     10.       0
GRID          66       06.611995-7.30342     10.       0
GRID          67       021.011337.956233     10.       0
GRID          68       0 -14.8739.149458     10.       0
GRID          69       0-13.4616-16.3138     10.       0
CTRIA3         1       1      19      51      42                        
CTRIA3         2       1      50      33      47                        
CTRIA3         3       1      35      33      34                        
CTRIA3         4       1      47      35      11                        
CTRIA3         5       1      44      31      39                        
CTRIA3         6       1      51      13      12                        
CTRIA3         7       1       1      53       8                        
CTRIA3         8       1      53       1       2                        
CTRIA3         9       1      48      22      23                        
CTRIA3        10       1      36      28      29                        
CTRIA3        11       1      28      36      49                        
CTRIA3        12       1       7      54       6                        
CTRIA3        13       1      54       7      20                        
CTRIA3        14       1      41      15      16                        
CTRIA3        15       1      46      45      17                        
CTRIA3        16       1      14      52      24                        
CTRIA3        17       1      45      26      41                        
CTRIA3        18       1      52      14      15                        
CTRIA3        19       1      52      15      41                        
CTRIA3        20       1      46      17      18                        
CTRIA3        21       1      37      27      48                        
CTRIA3        22       1       6      54      40                        
CTRIA3        23       1      27      49      48                        
CTRIA3        24       1      48      49      22                        
CTRIA3        25       1      43       4       5                        
CTRIA3        26       1      29      43      40                        
CTRIA3        27       1      39       2       3                        
CTRIA3        28       1      43      44       4                        
CTRIA3        29       1      38      32      50                        
CTRIA3        30       1      53       2      39                        
CTRIA3        31       1      50      47      10                        
CTRIA3        32       1      50      10       9                        
CTRIA3        33       1      13      51      19                        
CTRIA3        34       1      34      46      42                        
CTRIA3        35       1      19      42      18                        
CTRIA3        36       1      12      11      35                        
CTRIA3        37       1       6      40       5                        
CTRIA3        38       1      20      21      36                        
CTRIA3        39       1      27      37      26                        
CTRIA3        40       1      23      24      37                        
CTRIA3        41       1      32      38      31                        
CTRIA3        42       1       9       8      38                        
CTRIA3        43       1      31      44      30                        
CTRIA3        44       1      31      38      39                        
CTRIA3        45       1      36      29      40                        
CTRIA3        46       1      43      29      30                        
CTRIA3        47       1      26      45      25                        
CTRIA3        48       1      26      37      41                        
CTRIA3        49       1      35      34      42                        
CTRIA3        50       1      46      34      25                        
CTRIA3        51       1      44      43      30                        
CTRIA3        52       1       5      40      43                        
CTRIA3        53       1      39       3      44                        
CTRIA3        54       1       4      44       3                        
CTRIA3        55       1      41      16      45                        
CTRIA3        56       1      17      45      16                        
CTRIA3        57       1      45      46      25                        
CTRIA3        58       1      18      42      46                        
CTRIA3        59       1      35      47      33                        
CTRIA3        60       1      11      10      47                        
CTRIA3        61       1      49      27      28                        
CTRIA3        62       1      23      37      48                        
CTRIA3        63       1      36      21      49                        
CTRIA3        64       1      22      49      21                        
CTRIA3        65       1      33      50      32                        
CTRIA3        66       1       9      38      50                        
CTRIA3        67       1      12      35      51                        
CTRIA3        68       1      35      42      51                        
CTRIA3        69       1      41      37      52                        
CTRIA3        70       1      37      24      52                        
CTRIA3        71       1      39      38      53                        
CTRIA3        72       1      38       8      53                        
CTRIA3        73       1      20      36      54                        
CTRIA3        74       1      36      40      54                        
CTRIA3        75       1      65      62      63                        
CTRIA3        76       1      66      56      57                        
CTRIA3        77       1      60      69      59                        
CTRIA3        78       1      56      67      55                        
CTRIA3        79       1      69      60      68                        
CTRIA3        80       1      67      64      55                        
CTRIA3        81       1      68      62      65                        
CTRIA3        82       1      67      56      66                        
CTRIA3        83       1      62      68      61                        
CTRIA3        84       1      67      63      64                        
CTRIA3        85       1      69      57      58                        
CTRIA3        86       1      69      58      59                        
CTRIA3        87       1      66      65      67                        
CTRIA3        88       1      63      67      65                        
CTRIA3        89       1      66      68      65                        
CTRIA3        90       1      60      61      68                        
CTRIA3        91       1      68      66      69                        
CTRIA3        92       1      57      69      66                        
CTRIA3        93       1      30      60      31                        
CTRIA3        94       1      60      59      31                        
CTRIA3        95       1      31      59      58                        
CTRIA3        96       1      31      58      32                        
CTRIA3        97       1      32      58      33                        
CTRIA3        98       1      58      57      33                        
CTRIA3        99       1      33      57      56                        
CTRIA3       100       1      33      56      34                        
CTRIA3       101       1      34      56      25                        
CTRIA3       102       1      56      55      25                        
CTRIA3       103       1      30      29      60                        
CTRIA3       104       1      29      61      60                        
CTRIA3       105       1      29      28      62                        
CTRIA3       106       1      29      62      61                        
CTRIA3       107       1      28      27      62                        
CTRIA3       108       1      27      63      62                        
CTRIA3       109       1      27      26      64                        
CTRIA3       110       1      27      64      63                        
CTRIA3       111       1      26      25      64                        
CTRIA3       112       1      25      55      64                        
ENDDATA

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