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#################### PHYSICAL PARAMETERS ######################################
0 Relativity parameter: 1 = relativistic computation , 0 = Newtonian
0.22 ent_c : central enthalpy [c^2]
0.227 ent2_c : second central enthalpy [c^2]
700. freq_si : rotation frequency [Hz]
0. freq2_si : second rotation frequency [Hz]
#################### COMPUTATIONAL PARAMETERS #################################
200 mer_max : maximum number of steps
1.e-8 precis : threshold on the enthalpy relative change for ending the computation
10 mer_rot : step at which the rotation is switched on
200. freq_ini_si : initial rotation frequency [Hz] (switched on at mer = mer_rot)
0. freq2ini_si : initial second rotation frequency [Hz] (switched on at mer = mer_rot)
10 mer_change_omega : step at which f is changed to reach freq_si
20 mer_fix_omega : step at which f must have reached freq_si
0.5 relax : relaxation factor in the main iteration
6 mermax_poisson : maximum number of steps in Map_et::poisson
1.5 relax_poisson : relaxation factor in Map_et::poisson
1 graph : 1 = graphical outputs during the computation
#################### MULTI-GRID PARAMETERS ###################################
3 nz : total number of domains
1 nzet : number of domains inside the star
17 nt: number of points in theta (the same in each domain)
1 np: number of points in phi (the same in each domain)
# Number of points in r and (initial) inner boundary of each domain:
41 0. <- nr & min(r) in domain 0 (nucleus)
17 1. <- nr & min(r) in domain 1
17 2. <- nr & min(r) in domain 2
0.2 enthalpy defining boundary between domains 0 and 1
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