class Domaine_Cl_dis_base Domaine_Cl_dis_base objects represent discretized boundary conditions
class Domaine_dis_base This class is the base of the hierarchy of discretized domains.
void ouvrir_fichier(const Equation_base &eq, const Nom &out, const Nom &qsj, const Nom &description, SFichier &os, const Nom &type, const int flag) const