( Example 4. See manual.)

echo -no
number_of_space_dimensions 2
condif_temperature
end_initia

node 9  0.0 0.0
node 1  0.5 0.0 
node 2  1.0 0.0
node 3  0.0 0.5
node 4  0.7 0.6 
node 5  1.0 0.5
node 6  0.0 1.0 
node 7  0.5 1.0 
node 8  1.0 1.0
element 1  -quad4 9 1 3 4
element 2  -quad4 1 2 4 5
element 3  -quad4 3 4 6 7
element 4  -quad4 4 5 7 8

geometry_line 0  0. 0. 1. 0.  1.e-4
geometry_line 1  0. 1. 1. 1.  1.e-4

bounda_unknown 0  -geometry_line 0 -temp
bounda_time    0  0. 1. 1.e6 1.
bounda_unknown 1  -geometry_line 1 -temp
bounda_time    1  0. 0. 1.e6 0.

group_type 0  -condif
group_condif_density 0  1.0
group_condif_capacity 0  1.0
group_condif_conductivity 0  0.01
group_condif_flow 0  0. 10.

node_dof -ra -from 1 -to 9 -ra 1.

print_filter 0  -node_dof 4 -temp

control_timestep              10  1. 3.
control_options_solver        10  -matrix_iterative_bicg
(
control_print                 10  -time_current -node_dof
control_print_history         10 -node_dof 4 -temp
)

target_item 0  -node_dof 4 -temp
target_value 0  0.95 0.05
end_data
