A simply supported plate of equal side length is subjected to a normal pressure on the top face. Differences between thick shell formulations (elform 2, 3 and 5) can be studied. Example 2 from Introductory Manual for LS-DYNA Users by James M. Kennedy.
*CONTROL_IMPLICIT_GENERAL *CONTROL_IMPLICIT_SOLUTION *CONTROL_SHELL *CONTROL_TERMINATION *DATABASE_BINARY_D3PLOT *DATABASE_ELOUT *DATABASE_HISTORY_TSHELL *DEFINE_CURVE *ELEMENT_TSHELL *END *KEYWORD *LOAD_SEGMENT *MAT_ELASTIC *NODE *PART *SECTION_TSHELL *TITLE
*KEYWORD
*TITLE
Skew Plate with Normal Pressure (thick shell mesh)
*CONTROL_IMPLICIT_GENERAL
1 0.0 2 1 2
*CONTROL_IMPLICIT_SOLUTION
1 11 15 0.001000 0.010000 0.0 0.900000 1.000000
2 1 1 2
0 1 0.0 1 2
*CONTROL_SHELL
20.00000 0 0 0 2 2 1
0.0 1
*CONTROL_TERMINATION
1.000000 0 0.0 0.0 0.0
*DATABASE_ELOUT
1.0E-01
*DATABASE_BINARY_D3PLOT
0.100000
*DATABASE_HISTORY_TSHELL
6 7 10 11
*DEFINE_CURVE
1 0 0.0 0.0 0.0 0.0
0.0 0.0
1.00000000 700.0000000
*ELEMENT_TSHELL
*NODE
*PART
1 1 1
*SECTION_TSHELL
1 2 0.0 5 0 0.0
*MAT_ELASTIC
1 7800.0002.1000e+11 0.300000 0.0 0.0 0.0
*LOAD_SEGMENT
1 1.000000 0.0 101 106 107 102
1 1.000000 0.0 102 107 108 103
1 1.000000 0.0 103 108 109 104
1 1.000000 0.0 104 109 110 105
1 1.000000 0.0 106 111 112 107
1 1.000000 0.0 107 112 113 108
1 1.000000 0.0 108 113 114 109
1 1.000000 0.0 109 114 115 110
1 1.000000 0.0 111 116 117 112
1 1.000000 0.0 112 117 118 113
1 1.000000 0.0 113 118 119 114
1 1.000000 0.0 114 119 120 115
1 1.000000 0.0 116 121 122 117
1 1.000000 0.0 117 122 123 118
1 1.000000 0.0 118 123 124 119
1 1.000000 0.0 119 124 125 120
*END
