SimPEG.electromagnetics.utils.k

SimPEG.electromagnetics.utils.k(frequency, sigma, mu=1.25663706212e-06, eps=8.8541878128e-12)

Wavenumber for EM waves in homogeneous media

See eq 1.47 - 1.49 in Ward and Hohmann

Parameters

frequencyfloat or numpy.ndarray

Frequencies in Hz

sigmafloat

Electrical conductivity in S/m

mufloat, default: \(4\pi \;\times\; 10^{-7}\) H/m

Magnetic permeability in H/m

epsfloat, default: 8.8541878128 \(\times \; 1-^{-12}\) F/m

Dielectric permittivity in F/m

Returns

complex or numpy.ndarray

Wavenumbers at all input frequencies