( tension + von mises plasticity test.
  One-dimensional.
  The plasticity values are chosen such that the
  von mises plasticity surface is reached before the
  tension plasticity surface.
  With von mises plasticity the target for sigxx is 0.447 )

echo -no
number_of_space_dimensions 1
materi_velocity
materi_strain_total
materi_strain_plasti
materi_stress
end_initia

node 1  0 
node 2  1 
element 1  -bar2 1 2 

bounda_unknown 0  1 -velx
bounda_time    0  0.0 0. 100. 0.
bounda_unknown 1  2 -velx
bounda_time    1  0.0   1.  1.e2  1. 

group_type 0  -materi
group_materi_density 0  1.0
group_materi_elasti_young 0    3.0
group_materi_memory 0  -updated_without_rotation
group_materi_plasti_vonmises 0  2.e-1
group_materi_plasti_tension 0  100.

post_calcul -materi_stress -sizedev
print_filter 0  -node_dof -all -sigxx -eppxx

control_timestep 0  0.2 0.4
(control_print    0  -time_current -node_dof -node_dof_calcul)

target_item  1  -node_dof_calcul 1 0
target_value 1  0.11547 1.e-3
end_data
