Benchmark "1stest" : Reaction-Diffusion-Problem

Material coefficients:a1a2c
outer : 1. 1. 0.
inner : 0.1 0.1 1.
source term : f
outer : 0.
inner : 10.
Boundary conditions:
Dirichlet - type: u=0 (bottom,green)
Dirichlet - type: u=-40(4-y)(y-3) (top left, green)
Neumann - type: du/dn=10. (top right,blue arc)


Typical behavior of estimated relative error:
(Das typische Verhalten des geschaetzten rel. Fehlers)
(Legend)




(older Version here)



here some RUNs with times / iteration numbers / etc.
(older version)

(very old version, watch change of control parameters)