( Heat transfer in tapered bar.
  One-dimensional.
  Stationar.
  Left node prescribed temperature 1.
  Right node prescribed temperature 0.
  The volume of the left element is 1.5.
  The volume of the right element is 2.5.
  For continuity of heat, volume*dT/dx=constant,
  the temperature of the middle node should 
  become 0.375 )

echo -no
number_of_space_dimensions 1
condif_temperature
end_initia

options_inertia -no

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

bounda_unknown 0  1 -temp
bounda_time   0  0.0 0.0 1. 1. 100. 1.
bounda_unknown 1  3 -temp
bounda_time   1  0.0 0.0 100.0 0.

group_type 0  -condif
group_condif_density 0  1.0
group_condif_capacity 0  1.0
group_condif_conductivity 0  1.

volume_factor 1. 1.

control_timestep                        0  1. 1.0
(control_print                           0  -time_current -node_dof)

target_item  0   -node_dof 2 -temp
target_value 0   0.375 1.e-3
end_data
