Basic features of CO5BOLD as used for the Cepheids
- General:
2D Cartesian box, constant grid spacing,
vertical finer than horizontal spacing
- General:
constant gravity
- General:
tabulated EOS accounts for ionization effects
- Hydrodynamics:
operator splitting or unsplit scheme
- Hydrodynamics:
1D approximate Riemann solver
(Roe type)
- Hydrodynamics:
additional 2D/3D tensor viscosity
- Radiation transport:
non-local: long-characteristics scheme: (Matthias Steffen),
diffusion approximation in greater depths
- Radiation transport:
no scattering, strict LTE
- Radiation transport:
opacities: tabulated, grey, PHOENIX + OPAL