Patrick Motl's Research Page

• Movies
• Files and movies from merger code comparison (paper0)
• Simlations
  • Single White Dwarf Simulations
    • Very Low Resolution Plots and Movies
    • Low Resolution Plots and Movies
    • Medium Resolution "holey" initial data Plots and Movies
    • Medium Resolution "unholey" initial data Plots and Movies
    • High Resolution "holey" initial data Plots and Movies
    • High Resolution "unholey" initial data Plots and Movies
  • Accretion Induced Collapse Simulations
    • 0.6 - 0.9 solar mass DWD without driving Plots and Movies
    • 0.6 - 0.9 solar mass DWD without driving (numr = 123)Plots and Movies
    • 0.6 - 0.9 solar mass DWD driven for one orbit at one percentPlots and Movies
    • 0.6 - 0.9 solar mass DWD driven for two orbits at one percentPlots and Movies
    • 0.6 - 0.9 solar mass DWD driven for three orbits at one percentPlots and Movies
  • Kundan's Bi-polytrope simulations
    • Symmetric binary with ne = 3/2, nc = 3 and evolved with gamma = 5/3 Plots and Movies (258 x 130 x 256)
  • Binary simulations with polytropic equation of state
    • Q1.3P_G1 Binary with an initial mass ratio of 1.3 Plots and Movies (162 x 98 x 256)
  • Binary simulations with ideal gas equation of state
    • Q1.3I_G1 Binary with an initial mass ratio of 1.3 Plots and Movies (162 x 98 x 256)
    • Q0.5I_G1 Binary with an initial mass ratio of 0.5 Plots and Movies (162 x 98 x 256)
  • Bipolytropic Stars with n_core = 5 and n_envelope = 1
    • ξ_i = 2.44 bipolytrope (Alex's model) Plots and Movies for μ_e = μ_c (130 x 258 x 256)
    • ξ_i = 2.39 bipolytrope (Nimra's model) Plots and Movies for μ_e = μ_c (130 x 258 x 256)
  • Single Polytropic Stars with Modified Entropy Profiles
    • n = 3/2 structure evolved with gamma = 5/3 (alpha = 0.0) Plots Movies (130 x 258 x 256)
    • n = 3/2 structure evolved with gamma = 17/12 (alpha = + 0.25) Plots Movies (130 x 258 x 256)
    • n = 3/2 structure evolved with gamma = 7/6 (alpha = + 0.5, dynamically unstable) Plots Movies (130 x 258 x 256)
    • n = 3/2 structure evolved with gamma = 23/12 (alpha = - 0.25, convectively unstable) Plots Movies (130 x 258 x 256)
  • n = 5 polytropes run with 130 x 258 x 128 on 16 x 16 cores of bigred3
    • Initial run, large radius Plots
    • ξ = 2.5 and no confining pressure Plots Movies
    • ξ = 2.5 and pressure truncation Plots Movies
    • ξ = 3.0 and pressure truncation Plots Movies
    • ξ = 3.5 and pressure truncation Plots Movies
  • n = 5 polytropes mark 1 (fixed problems with coordinate grid) run with 130 x 258 x 128 on 16 x 16 cores of bigred3
    • ξ = 2.5 and no confining pressure Plots Movies
    • ξ = 3.0 and no confining pressure Plots Movies
    • ξ = 3.5 and no confining pressure Plots Movies
    • ξ = 2.5 and truncated by confining pressure Plots Movies
    • ξ = 3.0 and truncated by confining pressure Plots Movies
    • ξ = 3.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 2 (coordinate grid extends to 3 R_star) run with 130 x 258 x 128 on 16 x 16 cores of bigred3
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 3 (coordinate grid extends to 3 R_star) run with 258 x 514 x 128 on 16 x 16 cores of bigred3
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 4 (coordinate grid extends to 1.5 R_star) run with 258 x 514 x 128 on 16 x 16 cores of bigred3
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 5 (coordinate grid extends to 1.5 R_star) with correct polytropic index and ploytropic exponent run with 258 x 514 x 128 on 16 x 16 cores of bigred3
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 6 (coordinate grid extends to 1.5 R_star) with correct polytropic index and ploytropic exponent run with 130 x 258 x 128 on 16 x 16 cores of bigred3
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 7 (coordinate grid extends to 1.5 R_star) with correct polytropic index and ploytropic exponent, density outside the star reduced to 1e-10 run with 130 x 258 x 128 on 16 x 16 cores of bigred3. Timestep becomes very small due to confining pressure in region outside of star at very low density.
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 8 (coordinate grid extends to 1.5 R_star) with correct polytropic index and ploytropic exponent, density outside the star reduced to 1e-10 run with 130 x 258 x 128 on 16 x 16 cores of bigred3. CFL limiting timestep computed from pressure only in cells not at constant background pressure.
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 9. Same as mark 8 with a higher density floor (1.e-8).
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • n = 5 polytropes mark 10. Higher density floor (1.e-8). Sound speed calculated from tau (entropy tracer) instead of pressure.
    • ξ = 2.5 and truncated by confining pressure Plots Movies
  • Joshue's pressure truncated n = 5 polytropes.
    • ξ = 2.5 and truncated by confining pressure Plots Movies
    • ξ = 2.75 and truncated by confining pressure Plots Movies
    • ξ = 2.9 and truncated by confining pressure Plots Movies
    • ξ = 3.0 and truncated by confining pressure Plots Movies
    • ξ = 3.1 and truncated by confining pressure Plots Movies
    • ξ = 3.25 and truncated by confining pressure Plots Movies
    • ξ = 3.5 and truncated by confining pressure Plots Movies
  • Version 12 (m12) of n = 5 spherical polytropes. Add in measurements of mass profile to form eigenfucntion x and eigenfrequency analysis from maximum density.
    • ξ = 2.50 and truncated by confining pressure Plots
    • ξ = 2.75 and truncated by confining pressure Plots
    • ξ = 2.90 and truncated by confining pressure Plots
    • ξ = 2.95 and truncated by confining pressure Plots
    • ξ = 2.96 and truncated by confining pressure Plots
    • ξ = 2.97 and truncated by confining pressure Plots
    • ξ = 2.98 and truncated by confining pressure Plots
    • ξ = 2.99 and truncated by confining pressure Plots
    • ξ = 3.00 and truncated by confining pressure Plots
    • ξ = 3.01 and truncated by confining pressure Plots
    • ξ = 3.02 and truncated by confining pressure Plots
    • ξ = 3.03 and truncated by confining pressure Plots
    • ξ = 3.04 and truncated by confining pressure Plots
    • ξ = 3.05 and truncated by confining pressure Plots
    • ξ = 3.10 and truncated by confining pressure Plots
    • ξ = 3.25 and truncated by confining pressure Plots
    • ξ = 3.50 and truncated by confining pressure Plots
  • Unequal Binaries mark 1
    • UB m1 0 mmax = 30, (20,5) ADI iterations, 130 x 130 x 256 Plots Movies
      • UB m1 0 REDUX mmax = 30, (20,5) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 1 mmax = 30, (40,10) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 2 mmax = 60, (20,5) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 3 mmax = 60, (40,10) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 4 mmax = 90, (20,5) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 5 mmax = 90, (40,10) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 6 mmax = 120, (20,5) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 7 mmax = 120, (40,10) ADI iterations, 130 x 130 x 256 Plots Movies
    • UB m1 8 mmax = 30, (20,5) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 9 mmax = 30, (40,10) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 10 mmax = 60, (20,5) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 11 mmax = 60, (40,10) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 12 mmax = 90, (20,5) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 13 mmax = 90, (40,10) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 14 mmax = 120, (20,5) ADI iterations, 258 x 258 x 256 Plots Movies
    • UB m1 15 mmax = 120, (40,10) ADI iterations, 258 x 258 x 256 Plots Movies
  • Radial Pulsations of n = 3/2 polytrope
  • Test of Poisson Solver
    Radial pulsations of n = 3/2 polytrope
    • Big Red II 34x66x32 grid Plots Movies
    • Big Red III 66x130x64 grid on 4 x 4 cores Plots Movies
    • Big Red III 66x130x64 grid on 4 x 8 cores Plots Movies
    • Big Red II 130x258x128 grid Plots Movies
    • Big Red II 258x514x256 grid Plots Movies
    • Big Red III 258x514x256 grid Plots Movies
    • Big Red II 514x1026x512 grid Plots Movies