Setup for Red Supergiant

• Computational domain: cube, edge length 1626 R_Sun, 235³ points
  (additional models: 95³ points, 127³ points, 171³ points)
• Gravitation: spherical 1/r potential, smoothed in the center
• Energy source: within a sphere of radius r₀=135 R_Sun
• Outer boundaries: open, transmitting for shock waves
• Parameters for model st35gm04n29:
  • solar composition
  • M_star = 5 M_Sun
  • L_star = 41400 L_Sun
  • T_eff = 3330 K
  • logg = -0.46 (cgs units)
  • R_star = 630 R_Sun