With this series of examples you can study a specimen under tension and see the effects of different number of elements through thickness and different materials. Sixth example shows usage of shell elements and orthotropic material with optional brittle failure for composites.
*BOUNDARY_PRESCRIBED_MOTION_NODE *BOUNDARY_SPC_NODE *CONTROL_TERMINATION *CONTROL_TIMESTEP *DATABASE_BINARY_D3PLOT *DATABASE_CROSS_SECTION_PLANE *DATABASE_ELOUT *DATABASE_EXTENT_BINARY *DATABASE_GLSTAT *DATABASE_HISTORY_SHELL *DATABASE_NODAL_FORCE_GROUP *DATABASE_NODFOR *DATABASE_SECFORC *DEFINE_CURVE *ELEMENT_SHELL *END *KEYWORD *MAT_COMPOSITE_DAMAGE *NODE *PART *SECTION_SHELL *SET_NODE_LIST *SET_PART_LIST *TITLE
*KEYWORD
*TITLE
TENSION TEST SIMULATION, displacement
$ test coupon, 200 mm long, 20 mm width, 2.67 mm thickness, 50.8 mm gauge length
$ 50 mm displacement BC is applied on one end
$ units; mm, s, ton, N
$ A. Tabiei, 3-3-98
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*CONTROL_TIMESTEP
0.0000 0.9000
*CONTROL_TERMINATION
0.0100
*DATABASE_EXTENT_BINARY
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ i i i i i i i i
$ neiph neips maxint strflg sigflg epsflg rltflg engflg
$ i i i
$ cmpflg ieverp beamip
1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_BINARY_D3PLOT
0.0010
*DATABASE_GLSTAT
0.0001
*DATABASE_NODFOR
0.0001
*DATABASE_NODAL_FORCE_GROUP
2
*DATABASE_ELOUT
0.0001
*DATABASE_SECFORC
1.0e-4
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*SET_NODE_LIST
2
29,30,31,32,33,38,39
*DATABASE_HISTORY_SHELL
71,72,73,74,75,76,77,78
79,80
*SET_PART_LIST
1
1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_CROSS_SECTION_PLANE
1 5 10 10 200 10 10
5 -10 -10 20 20
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*MAT_COMPOSITE_DAMAGE
$ (E-GLASS/EPOXY)
$ MID RO EA EB EC PRBA PRCA PRCB
1 2.20000-9 38600.000 8270.0000 8270.0000 0.0557000 0.0557000 0.4900000
$ GAB GBC GCA KFAIL AOPT MACF
4140.0000 2100.0000 4140.0000 00.000000 2.0000000 0.0000000
$ A1 A2 A3
1.0000000 0.0000000 0.0000000
$ D1 D2 D3
0.0000000 1.0000000 0.0000000
$ SC XT YT YC ALPH
72.000000 1062.0000 31.000000 118.00000 0.0000000
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*SECTION_SHELL
$ SECID ELMFORM SHRF NIP ICOMP
1 2 0.833E+00 8.000E+00 1
2.670E-00 2.670E-00 2.670E-00 2.670E-00
0.0 90.0 0.0 90.0 90.0 0.0 90.0 0.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*PART
SHELL
1 1 1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DEFINE_CURVE
1
0.00000000000000E+00 0.0000000000000E+00
0.01000000000000E+00 2.0000000000000E+00
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*BOUNDARY_SPC_NODE
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*BOUNDARY_PRESCRIBED_MOTION_NODE
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*NODE
$
*ELEMENT_SHELL
$
*END
