&NL_PARAMS
 MPLANET = 1.,
 MNOYAU = 0.05,
 P_ICE =  0.,
 OMEGA =  0./
&NL_CHIM
 NBELEM = 3,
 NEL = -1 1 0 0 0,
 MAS = 0.8, 0.8, 0., 0., 0., 0., 0., 0., 0., 0.,
 YZ = 0.3, 0.3, 0, 0, 0, 0, 0, 0, 0, 0/