@article{MTMT:34571699,
	title = {Embedding parametric resonance in a 2:1 wave energy converter to get a broader bandwidth},
	url = {https://m2.mtmt.hu/api/publication/34571699},
	author = {Giorgi, Giuseppe},
	doi = {10.1016/j.renene.2023.119928},
	journal-iso = {RENEW ENERGY},
	journal = {RENEWABLE ENERGY},
	volume = {222},
	unique-id = {34571699},
	issn = {0960-1481},
	year = {2024},
	eissn = {1879-0682}
}

@article{MTMT:33039229,
	title = {Parametric excitation suppression in a floating cylinder via dynamic vibration absorbers: a comparative analysis},
	url = {https://m2.mtmt.hu/api/publication/33039229},
	author = {Davidson, Joshua Patrick and Kalmár-Nagy, Tamás and Habib, Giuseppe},
	doi = {10.1007/s11071-022-07710-1},
	journal-iso = {NONLINEAR DYNAM},
	journal = {NONLINEAR DYNAMICS},
	volume = {110},
	unique-id = {33039229},
	issn = {0924-090X},
	abstract = {Parametric excitation in the pitch/roll degrees of freedom (DoFs) can induce dynamic instability in floating cylinder-type structures such as spar buoys, floating offshore wind or wave energy converters. At certain frequency and amplitude ranges of the input waves, parametric coupling between the heave and pitch/roll DoFs results in undesirable large amplitude rotational motion. One possible remedy to mitigate the existence of parametric resonance is the use of dynamic vibration absorbers. Two prominent types of dynamic vibration absorbers are tuned mass dampers (TMDs) and nonlinear energy sinks (NESs), which have contrasting properties with regard to their amplitude and frequency dependencies when absorbing kinetic energy from oscillating bodies. This paper investigates the suppression of parametric resonance in floating bodies utilizing dynamic vibration absorbers, comparing the performance of TMDs against NESs for a test case considering a floating vertical cylinder. In addition to the type of dynamic vibration absorber utilized, the paper also examines the DoF which it acts on, comparing the benefits between attaching the vibration absorber to the primary (heave) DoF or the secondary (pitch) DoF. The results show that the TMD outperforms the NES and that it is more effective to attach the vibration absorber to the heave DoF when eliminating parametric resonance in the pitch DoF.},
	year = {2022},
	eissn = {1573-269X},
	pages = {1081-1108},
	orcid-numbers = {Kalmár-Nagy, Tamás/0000-0003-1374-2620; Habib, Giuseppe/0000-0003-3323-6901}
}

@article{MTMT:33190056,
	title = {A Review of Point Absorber Wave Energy Converters},
	url = {https://m2.mtmt.hu/api/publication/33190056},
	author = {Guo, Bingyong and Wang, Tianyao and Jin, Siya and Duan, Shunli and Yang, Kunde and Zhao, Yaming},
	doi = {10.3390/jmse10101534},
	journal-iso = {J MAR SCI ENG},
	journal = {JOURNAL OF MARINE SCIENCE AND ENGINEERING},
	volume = {10},
	unique-id = {33190056},
	abstract = {There are more than thousands of concepts for harvesting wave energy, and wave energy converters (WECs) are diverse in operating principles, design geometries and deployment manners, leading to misconvergence in WEC technologies. Among numerous WEC devices, the point absorber wave energy converter (PAWEC) concept is one of the simplest, most broad-based and most promising concepts that has been investigated intensively all over the world. However, there are only a few reviews focusing on PAWECs, and the dynamical advancement of PAWECs merits an up-to-date review. This review aims to provide a critical overview of the state of the art in PAWEC development, comparing and contrasting various PAWEC devices and discussing recent research and development efforts and perspectives of PAWECs in terms of prototyping, hydrodynamic modelling, power take-off mechanism and control.},
	year = {2022},
	eissn = {2077-1312},
	pages = {1534-1571},
	orcid-numbers = {Guo, Bingyong/0000-0003-3134-0043}
}

@article{MTMT:32845151,
	title = {Coexisting attractors in floating body dynamics undergoing parametric resonance},
	url = {https://m2.mtmt.hu/api/publication/32845151},
	author = {Habib, Giuseppe and Giorgi, Giuseppe and Davidson, Joshua Patrick},
	doi = {10.1007/s00707-022-03225-3},
	journal-iso = {ACTA MECH},
	journal = {ACTA MECHANICA},
	volume = {233},
	unique-id = {32845151},
	issn = {0001-5970},
	abstract = {This study pertains to analysing the dynamical behaviour of a floating body undergoing parametric resonances. A simple vertical cylinder, representing a classical spar-buoy, is considered, limiting its motion to heave and pitch degrees of freedom. Its geometry and mass distribution are chosen such that a 2:1 ratio of heave to pitch/roll natural frequency makes the spar-buoy prone to parametric resonance. The system is then studied by the shooting method, combined with a pseudo-arclength continuation, and the harmonic balance procedure. Results show that an extensive bistable region exists, where stable parametric resonance coexists with a regular resonance response. The analysis also unveiled the existence of stable quasiperiodic motions existing in correspondence of both pitch and heave resonance. Results are qualitatively validated using a model based on the explicit nonlinear Froude–Krylov force calculation.},
	year = {2022},
	eissn = {1619-6937},
	pages = {2351-2367},
	orcid-numbers = {Habib, Giuseppe/0000-0003-3323-6901}
}

@article{MTMT:32575966,
	title = {Optimization and Energy Maximizing Control Systems for Wave Energy Converters},
	url = {https://m2.mtmt.hu/api/publication/32575966},
	author = {Giorgi, Giuseppe and Sirigu, Sergej Antonello},
	doi = {10.3390/jmse9121436},
	journal-iso = {J MAR SCI ENG},
	journal = {JOURNAL OF MARINE SCIENCE AND ENGINEERING},
	volume = {9},
	unique-id = {32575966},
	year = {2021},
	eissn = {2077-1312},
	pages = {1-4},
	orcid-numbers = {Giorgi, Giuseppe/0000-0002-1649-9438; Sirigu, Sergej Antonello/0000-0001-5192-5220}
}

@article{MTMT:32066574,
	title = {Numerical simulation of parametric resonance in point absorbers using a simplified model},
	url = {https://m2.mtmt.hu/api/publication/32066574},
	author = {Kurniawan, Adi and Tran, Thanh Toan and Brown, Scott A. and Eskilsson, Claes and Orszaghova, Jana and Greaves, Deborah},
	doi = {10.1049/rpg2.12229},
	journal-iso = {IET RENEW POWER GEN},
	journal = {IET RENEWABLE POWER GENERATION},
	volume = {1},
	unique-id = {32066574},
	issn = {1752-1416},
	year = {2021},
	eissn = {1752-1424},
	pages = {1-20},
	orcid-numbers = {Kurniawan, Adi/0000-0002-9176-3702}
}

@article{MTMT:32472076,
	title = {Modelling of Parametric Resonance for Heaving Buoys with Position-Varying Waterplane Area},
	url = {https://m2.mtmt.hu/api/publication/32472076},
	author = {Lelkes, János and Davidson, Joshua Patrick and Kalmár-Nagy, Tamás},
	doi = {10.3390/jmse9111162},
	journal-iso = {J MAR SCI ENG},
	journal = {JOURNAL OF MARINE SCIENCE AND ENGINEERING},
	volume = {9},
	unique-id = {32472076},
	year = {2021},
	eissn = {2077-1312},
	orcid-numbers = {Lelkes, János/0000-0002-6205-4923; Kalmár-Nagy, Tamás/0000-0003-1374-2620}
}

@article{MTMT:32093970,
	title = {Virtual Sensoring of Motion Using Pontryagin’s Treatment of Hamiltonian Systems},
	url = {https://m2.mtmt.hu/api/publication/32093970},
	author = {Sands, Timothy},
	doi = {10.3390/s21134603},
	journal-iso = {SENSORS-BASEL},
	journal = {SENSORS},
	volume = {21},
	unique-id = {32093970},
	year = {2021},
	eissn = {1424-8220},
	orcid-numbers = {Sands, Timothy/0000-0002-4681-7919}
}