Parametric excitation of nonlinear elastic systems involving hydrodynamic sloshing impact (Q1303144)

Using the multiple scale method, the authors study the parameter excitation of an elevated water tower under hydrodynamic sloshing impact. The liquid sloshing mass is replaced by a mechanical model in the form of a simple pendulum experiencing impacts with the tank walls. The system behaves like a soft system in the absence of impact, and like a hard system in the presence of impact.