The completeness of the set of modes for various waveguides and its significance for the near-field interaction with vibrating structures

Modal decomposition is often used in geophysics and acoustics for the solution of problems related to wave propagation in elastic or acousto-elastic waveguides. One of the key elements of this method is the solution of an eigenvalue problem for obtaining the roots of the characteristic equation, which may signify either frequencies or...

The influence of friction at the ice-structure interface on the induced vibrations

Vertically-sided offshore structures occasionally experience sustained vibration due to drifting ice sheets crushing against them. These vibrations may lead to problems associated with structural integrity and safety. Traditionally, three regimes of interaction are distinguished: intermittent crushing, frequency lock-in and continuous brittle...

Novel ice induced vibration testing in a large-scale facility: Deciphering ice induced vibrations, part 1

A method to measure the added mass and added damping in dynamic ice-structure interation: Deciphering ice induced vibrations, part 3