2. Syntax

interspectrum = DYNA_SPEC_MODAL (
    ◆ BASE_ELAS_FLUI = melasflu,
    ◆ VITE_FLUI = float,
    ◇ PRECISION = float (default: 0.001),
    ◆ EXCIT = _F (
         ◆ INTE_SPEC_GENE = interspectrum,
      ),
    ◇ OPTION =/"TOUT" (by default),
               /"DIAG ",
    ◇ TITRE = text,
)

◆: mandatory
◇: optional
: present by default
&: together
/: only one among
|: several possible choices