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. Fifth example shows usage of shell elements and user defined material with piecewise linear plasticity and specified failure strain.
*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_PIECEWISE_LINEAR_PLASTICITY *NODE *PART *SECTION_SHELL *SET_NODE_LIST *SET_PART_LIST *TITLE
*KEYWORD
*TITLE
TENSION TEST SIMULATION, mat=24, displacement
$---+----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
0.00001
*DATABASE_NODFOR
0.00001
*DATABASE_ELOUT
0.00001
*DATABASE_SECFORC
0.00001
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_NODAL_FORCE_GROUP
2
*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_PIECEWISE_LINEAR_PLASTICITY
$ MID RO E PR SIG ETAN FAIL
1 7.890E-09 2.100E+05 3.000E-01 3.150E+02 0.000E+00 0.660
$ C P LCSS
$ note that if LCSS is defined the EPS vs ES is ignored
$ if C and P are set to zero, no strain rate effect will be considered
40.0 5 0
$ (EPS) effective plastic strain vs efftive stress (ES)
0.0 0.019 0.05 0.165 0.33 0.495 0.625 1.0
315 315 427.8 500.8 504.3 506.5 400 0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*SECTION_SHELL
1 2 0.000E+00 3.000E+00
2.670E-00 2.670E-00 2.670E-00 2.670E-00
$---+----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 50.000000000000E+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
