1. Reference problem

1.1. Geometry

Full sphere:

R

Inner radius \(R=0.01m\)

1.2. Material properties

The material assumed to be linear elastic has the following characteristics:

\(E=1.E8\mathrm{Pa}\)

\(\nu =0.3\)

\(\rho =10000\mathrm{kg}/{m}^{3}\)

1.3. Boundary conditions and loads

The structure studied is free in space.