( Solid.
  Convection of strain+stress.
  Lower nodes prescribed eptxx=1.
  All nodes prescribed y-velocity 1.
  All nodes should get sigxx=1 because of
  convection of strain+stress.)

echo -no
number_of_space_dimensions 2
materi_velocity
materi_strain_total
materi_stress
end_initia

options_mesh -fixed_in_space -fixed_in_space

node 1  0 0
node 2  1 0
node 3  0 1
node 4  1 1
node 5  0 2
node 6  1 2
element 1  -quad4 1 2 3 4
element 2  -quad4 3 4 5 6

group_type 0  -materi
group_materi_density 0  1.0
group_materi_elasti_young 0  1.0
group_materi_memory 0  -updated_without_rotation

bounda_unknown 0  -all -vely
bounda_time    0  0. 0. 1. 1. 100. 1.
bounda_unknown 1  -ra 1 2 -ra -sigxx
bounda_time    1  0. 0. 1. 1. 100. 1.
bounda_unknown 2  -all -velx
bounda_time    2  0. 0. 100. 0.

print_filter 0 -node_dof -all -sigxx

control_timestep 0  0.1 20.0
(
control_print    0  -time_current -node_dof
)

target_item  0  -node_dof 5 -sigxx
target_value 0  1. 1.e-2
end_data
