“…A year later, Zhan and Redekop [65] investigated (using finiteelement modelling) two phenomena in a pressurized ovaloid metal toroidal tank: (i) stress concentration around the nozzle, and (ii) displacements due to impact by a flat-nosed projectile. They conducted parametric studies to establish the influence of location of nozzle, or location of impact, on the behaviour of the tank.…”