( Heat transfer in tapered bar.
  Two-dimensional.
  Stationar.
  Lower nodes prescribed temperature 1.
  Upper nodes prescribed temperature 0.
  The volume of the lower element is 1.5.
  The volume of the upper element is 2.5.
  For continuity of heat, volume*dT/dy=constant,
  the temperature of the middle node should 
  become 0.375 )

echo -no
number_of_space_dimensions 2
condif_temperature
end_initia

options_inertia -no

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

bounda_unknown 0  -ra 1 2 -ra -temp
bounda_time   0  0.0 0.0 1. 1. 100. 1.
bounda_unknown 1  -ra 5 6 -ra -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. 0. 1.

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

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