( Fluid-structure interaction.
  The left node is displaced over 0.01.
  The right node is fixed in place.
  The stress should make equilibrium )

echo -no
number_of_space_dimensions 1
materi_velocity
materi_strain_total
materi_stress
end_initia

node 1  0
node 2  1
node 3  2
element 1  -bar2 1 2
element 2  -bar2 2 3
element_group 1 1
element_group 2 2

group_type 1  -materi
group_materi_elasti_young 1  1.
group_materi_memory 1  -updated_without_rotation

group_type 2  -materi
group_materi_elasti_compressibility 2  1.
group_materi_memory 2  -updated_without_rotation

bounda_unknown 1  1 -velx
bounda_time    1  0. 0. 1.e-2 1. 2.e-2 0. 1000. 0.
bounda_unknown 2  3 -velx
bounda_time    2  0. 0. 1000. 0.

print_filter 0 -node_dof -all -velx -sigxx

control_timestep   0  1.e-3 1.e-1
(control_print      0  -time_current -node_dof)

target_item 0  -node_dof 1 -sigxx
target_value 0  -0.005 0.001
target_item 1  -node_dof 3 -sigxx
target_value 1  -0.005 0.001
end_data
