2 problems

Let $n\geq 2$ be an integer, and denote by $\sigma_{bn}$ and $\sigma_{cn}$ the buckling and contact pressures for the corresponding $n$-mode ring shape. For pressures satisfying…

Let $n\geq 2$ be an integer, and consider the two triples of transcendental equations determining $n$-mode equilibrium ring shapes with points of contact: the system consisting of…