engine.core.nozzle_solver Namespace Reference

Functions
	rotated_parabola_xy (t, m, theta, h, k)
	solve_rotated_parabola_params (Nx, Ny, Ex, Ey, theta_n, theta_e)
	generate_rao_moc_contour (Nx, Ny, Ex, Ey, theta_n, theta_e, steps=200, gamma=1.23)
	rao (area_throat, area_exit, bell_percent=0.8, steps=200, do_plot=True, color_segments=False, method="garcia", gamma=1.23, convergent_half_angle_rad=np.pi/4.0)

Function Documentation

generate_rao_moc_contour()

engine.core.nozzle_solver.generate_rao_moc_contour	(		Nx,
			Ny,
			Ex,
			Ey,
			theta_n,
			theta_e,
			steps = 200,
			gamma = 1.23 )

TRUE Rao Method-of-Characteristics nozzle contour placeholder.

Definition at line 77 of file nozzle_solver.py.

Referenced by rao().

rao()

engine.core.nozzle_solver.rao	(		area_throat,
			area_exit,
			bell_percent = 0.8,
			steps = 200,
			do_plot = True,
			color_segments = False,
			method = "garcia",
			gamma = 1.23,
			convergent_half_angle_rad = np.pi / 4.0 )

method:
  - "top"     : Thrust-Optimized Parabolic (quadratic Bézier N-Q-E)
  - "garcia"  : rotated/canted parabola (RRS Garcia 2023)
  - "rao_moc" : placeholder hook for a true Rao MoC solver

Definition at line 92 of file nozzle_solver.py.

References generate_rao_moc_contour(), rotated_parabola_xy(), and solve_rotated_parabola_params().

rotated_parabola_xy()

engine.core.nozzle_solver.rotated_parabola_xy	(		t,
			m,
			theta,
			h,
			k )

x(t) = t(-m sinθ t + cosθ) + h
y(t) = t( m cosθ t + sinθ) + k

Definition at line 10 of file nozzle_solver.py.

Referenced by rao().

solve_rotated_parabola_params()

engine.core.nozzle_solver.solve_rotated_parabola_params	(		Nx,
			Ny,
			Ex,
			Ey,
			theta_n,
			theta_e )

Solve for m, h, k, psi, t5, t6 such that the rotated parabola goes
through N and E with the correct slopes at each end.

Definition at line 24 of file nozzle_solver.py.

Referenced by rao().