M. Di-bernardo, C. J. Budd, A. R. Champneys, and P. Kowalczyk, Piecewise-smooth dynamical systems, of Applied Mathematical Sciences Theory and applications. [OOS10] B. Orazov, O.M. O'Reilly, and¨Oand¨ and¨O. Sava¸sSava¸s. On the dynamics of a novel ocean wave energy converter, pp.3295058-5069, 2008.