Numerical Shielding Analysis of Anisotropic Multilayer Materials by the Method of Moments

In this contribution, an efficient method is developed to calculate the shielding effectiveness of anisotropic conducting multilayer materials by the method of moments. An analytical solution is used to approximate the wave propagation inside the multilayer material. This solution is coupled with a method of moments implementation, allowing to numerically calculate the electromagnetic fields in exterior and interior regions of a shield. Obtained results are compared to those of alternative numerical techniques and form the basis to validate the modeling of anisotropic multilayer materials by a homogeneous material of equivalent conductivity.