Shielding Factor of a Sphere with Finite Conductivity

Calculate the shielding factor of a hollow sphere with finite conductivity. The sphere is constructed from a lossy metal with a thickness of 2.5 nm.

An incident plane wave is defined from 1 MHz to 100 MHz. Use a single near field point located at the centre of the sphere to compute the shielding factor.

Figure 1. A 3D view of the sphere with a plane wave (source) and symmetry in CADFEKO.

The shielding factor results are compared using the following solution methods:
  • Method of moments (MoM)
  • Finite element method (FEM)
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