ppmpy package

A 1D hydrodynamics code that implements the piecewise parabolic method. This is intended to be used for testing and prototyping variations on the core PPM algorithm.

Submodules

• ppmpy.advection module
  • advection()
  • sine()
  • states()
  • tophat()
• ppmpy.eigen module
  • eigen()
• ppmpy.euler module
  • Euler
    • Euler.advance_step()
    • Euler.compute_fluxes()
    • Euler.cons_flux()
    • Euler.cons_to_prim()
    • Euler.construct_parabola()
    • Euler.draw_prim()
    • Euler.draw_waves()
    • Euler.estimate_dt()
    • Euler.evolve()
    • Euler.interface_states()
    • Euler.plot_prim()
  • FluidVars
• ppmpy.gravity module
  • constant_gravity()
• ppmpy.grid module
  • FVGrid
    • FVGrid.coarsen()
    • FVGrid.draw()
    • FVGrid.ghost_fill()
    • FVGrid.norm()
    • FVGrid.scratch_array()
  • GridPlot
    • GridPlot.show_fig()
• ppmpy.initial_conditions module
  • acoustic_pulse()
  • hse()
  • sod()
• ppmpy.reconstruction module
  • HSEPPMInterpolant
    • HSEPPMInterpolant.construct_parabola()
  • PPMInterpolant
    • PPMInterpolant.construct_parabola()
    • PPMInterpolant.draw_parabola()
    • PPMInterpolant.integrate()
    • PPMInterpolant.mark_cubic()
  • flattening_coefficient()
• ppmpy.riemann_exact module
  • RiemannProblem
    • RiemannProblem.find_star_state()
    • RiemannProblem.rarefaction_solution()
    • RiemannProblem.sample_solution()
    • RiemannProblem.shock_solution()
    • RiemannProblem.u_hugoniot()
  • State
  • plot_hugoniot()