Module solutions_3d

Module solutions_3d 

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3D Analytical Solutions

Exact solutions for 3D acoustic scattering problems, primarily sphere scattering using Mie theory (spherical Bessel/Hankel functions).

Functions§

classify_regime
Classify scattering regime based on ka
legendre_p
Legendre polynomial Pₙ(x)
plane_wave_3d
3D plane wave: p(x,y,z) = exp(ik·r)
point_source_3d
Point source (monopole): G(r) = exp(ikr)/(4πr)
sphere_rcs_3d
Radar Cross Section (RCS) for sphere
sphere_scattering_3d
Sphere scattering: rigid sphere in a plane wave (Mie theory)
sphere_scattering_efficiency_3d
Scattering efficiency Q_scat = σ / (πa²)
spherical_bessel_j
Spherical Bessel function jₙ(x)
spherical_bessel_y
Spherical Bessel function yₙ(x) (Neumann function)