( A two-dimensional plate of length 3 is extended in x-direction with 1.
  Since the youngs modulus is 1, the sigxx stress becomes 0.333.
  A matrix solver is used. )

echo -no
number_of_space_dimensions 2
materi_velocity
materi_strain_total
materi_stress
end_initia

node 1  1 0
node 2  2 0
node 3  3 0
node 4  4 0
node 5  1 1
node 6  2 1
node 7  3 1
node 8  4 1
element 1  -quad4 1 2 5 6
element 2  -quad4 2 3 6 7
element 3  -quad4 3 4 7 8

group_type 0  -materi
group_materi_elasti_young 0  1.0
group_materi_memory 0  -updated_without_rotation

bounda_unknown 0  -ra 1 5 -ra  -velx -vely
bounda_time    0  0. 0. 100. 0.
bounda_unknown 1  -ra 4 8 -ra  -velx
bounda_time    1  0. 1. 100. 1.

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

target_item    0  -node_dof 1 -sigxx
target_value   0  0.333333 1.e-3
end_data
