( Inverse estimation of conductivity.
  The temperatures at node 1 and 2 are prescribed in
  an experiment, 0 and 1 respectively. 
  The heat flux at node 1 is measured in the experiment, 0.5.
  This should give a conductivity of 0.5 )

echo -no
number_of_space_dimensions 1
condif_temperature
end_initia

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

bounda_unknown 0  1 -temp
bounda_time   0  0.0 0.0 100. 0.
bounda_unknown 1  2 -temp
bounda_time   1  0.0 1.0 100. 1.

group_type 0  -condif
group_condif_density 0  1.0
group_condif_capacity 0  1.0
group_condif_conductivity 0  0.1

control_timestep  10  1. 2.

(control_print    20  -time_current -node_dof -node_rhside -condif_conductivity)

inverse_iterations  2
inverse_parameter 1  -group_condif_conductivity 0 0
inverse_target 1  -node_rhside 1 0
inverse_target_data 1 0.5 1.

target_item 1  -group_condif_conductivity 0 0
target_value 1  0.5 1.e-4
end_data
