Internal acoustics, ultrasonics, numerical methods, high order schemes

Beckwith, Christopher, Pericleous, Koulis ORCID: 0000-0002-7426-9999 and Bojarevics, Valdis ORCID: 0000-0002-7326-7748 (2019) Optimised high-order compact difference schemes for internal acoustics problems on curvilinear domains. Journal of Physics: Conference Series, 1184 (1). ISSN 1742-6588 (Print), 1742-6596 (Online) (doi:https://doi.org/10.1088/1742-6596/1184/1/012005)

Ultrasonic melt processing, Acoustic pressure, Aluminum, Numerical modeling

Subroto, Tungky, Eskin, Dmitry, Beckwith, Christopher, Tzanakis, Iakovos, Djambazov, Georgi ORCID: 0000-0001-8812-1269 and Pericleous, Koulis ORCID: 0000-0002-7426-9999 (2020) Improving Ultrasonic Melt Treatment Efficiency Through Flow Management: Acoustic Pressure Measurements and Numerical Simulations. In: Light Metals 2020. The Minerals, Metals & Materials Book Series (MMSS) . Springer, Cham, Switzerland, pp. 981-987. ISBN 978-3-030-36408-3 ISSN 2367-1181 (Print), 2367-1696 (Online) (doi:https://doi.org/10.1007/978-3-030-36408-3_132)

Ultrasonic melt processing, Numerical modelling, Acoustic cavitation, Acoustic resonance

Beckwith, Christopher, Djambazov, Georgi ORCID: 0000-0001-8812-1269 and Pericleous, Kyriacos A ORCID: 0000-0002-7426-9999 (2023) Modelling contactless ultrasound treatment in a DC casting launder. In: Light Metals 2023. The Minerals, Metals & Materials Series - TMS: TMS Annual Meeting & Exhibition . Springer, Cham, Switzerland, pp. 980-988. ISBN 978-3031225314; 978-3031225321 (doi:https://doi.org/10.1007/978-3-031-22532-1_131)

Beckwith, Christopher, Djambazov, Georgi ORCID: 0000-0001-8812-1269 , Pericleous, Kyriacos A ORCID: 0000-0002-7426-9999 and Tonry, Catherine E. H. ORCID: 0000-0002-8214-0845 (2022) Comparison of frequency domain and time domain methods for the numerical simulation of contactless ultrasonic cavitation. Ultrasonics Sonochemistry, 89:10613. pp. 1-11. ISSN 1350-4177 (doi:https://doi.org/10.1016/j.ultsonch.2022.106138)

Ultrasonic melt treatment, DC casting, grain refinement

Subroto, Tungky, Eskin, Dmitry G., Beckwith, Christopher, Skalicky, Ivan, Roberts, Dan, Tzanakis, Iakovos and Pericleous, Koulis ORCID: 0000-0002-7426-9999 (2020) Structure refinement upon ultrasonic melt treatment in a DC casting launder. JOM Journal of the Minerals, Metals and Materials Society, 72 (11). pp. 4071-4081. ISSN 1047-4838 (Print), 1543-1851 (Online) (doi:https://doi.org/10.1007/s11837-020-04269-3)

Ultrasonic processing, DC casting, Cavitation, Lagrangian tracking

Beckwith, Christopher, Djambazov, Georgi ORCID: 0000-0001-8812-1269 , Pericleous, Koulis ORCID: 0000-0002-7426-9999 , Subroto, Tungky, Eskin, Dmitry G., Skalicky, Ivan, Roberts, Dan and Tzanakis, Iakovos (2021) Multiphysics modelling of ultrasonic melt treatment in the hot-top and launder during direct-chill casting: Path to indirect micro-structure simulation. Metals, 11 (674). pp. 1-14. ISSN 2075-4701 (Online) (doi:https://doi.org/10.3390/met11050674)

ultrasonic melt treatment, cavitation, DC casting, melt temperature, fluid flow, experimental validation

Beckwith, Christopher, Subroto, Tungky, Pericleous, Kyriacos A ORCID: 0000-0002-7426-9999 , Djambazov, Georgi ORCID: 0000-0001-8812-1269 , Eskin, Dmitry G and Tzanakis, Iakovos (2021) Ultrasonic melt treatment in a DC casting launder: the role of melt processing temperature. In: Light Metals 2021. The Minerals, Metals & Materials Series . Springer, Cham, Switzerland, pp. 850-857. ISBN 978-3030653958 ISSN 2367-1181 (Print), 2367-1696 (Online) (doi:https://doi.org/10.1007/978-3-030-65396-5_112)

ultrasonic melt treatment; DC casting; structure refinement; melt-flow management; acoustic pressure measurement

Subroto, Tungky, Eskin, Dmitry, Beckwith, Christopher, Roberts, Dan, Tzanakis, Iakovos and Pericleous, Kyriacos A ORCID: 0000-0002-7426-9999 (2022) Effect of flow management on ultrasonic melt processing in a launder upon DC casting. In: Light Metals 2022. The Minerals, Metals & Materials Series . TMS/Springer, Cham, pp. 649-654. ISBN 978-3030925284 ; 978-3030925291 ; 978-3030925314 ISSN 2367-1181 (Print), 2367-1696 (Online) (doi:https://doi.org/10.1007/978-3-030-92529-1_85)

ultrasonic processing, acoustic cavitation, computational acoustics, metals processing

Tonry, C.E.H. ORCID: 0000-0002-8214-0845 , Djambazov, G. ORCID: 0000-0001-8812-1269 , Dybalska, A., Griffiths, W.D., Beckwith, C., Bojarevics, V. ORCID: 0000-0002-7326-7748 and Pericleous, K.A. ORCID: 0000-0002-7426-9999 (2020) Acoustic resonance for contactless ultrasonic cavitation in alloy melts. Ultrasonics Sonochemistry, 63:104959. ISSN 1350-4177 (doi:https://doi.org/10.1016/j.ultsonch.2020.104959)

ultrasonic treatment; cavitation; carbon nanotubes; metal matrix composites

Xu, Zhuocheng, Tonry, Catherine E. H. ORCID: 0000-0002-8214-0845 , Beckwith, Christopher, Kao, Andrew ORCID: 0000-0002-6430-2134 , Wong, Hayley, Shaffer, Milo S. P., Pericleous, Koulis A ORCID: 0000-0002-7426-9999 and Li, Qianqian (2022) High-speed imaging of the ultrasonic deagglomeration of carbon nanotubes in water. JOM (The Member Journal of The Minerals, Metals & Materials Society), 74 (6). pp. 2470-2483. ISSN 1047-4838 (Print), 1543-1851 (Online) (doi:https://doi.org/10.1007/s11837-022-05274-4)

ultrasonic treatment; contactless sonotrode; induction processing; grain refinement

Pericleous, K. A. ORCID: 0000-0002-7426-9999 , Beckwith, C., Bojarevics, V. ORCID: 0000-0002-7326-7748 , Djambazov, G. ORCID: 0000-0001-8812-1269 , Dybalska, A., Griffiths, W. D. and Tonry, C. ORCID: 0000-0002-8214-0845 (2020) Progress in the development of a contactless ultrasonic processing route for alloy grain refinement. IOP Conference Series: Materials Science and Engineering, 861:012070. ISSN 1757-8981 (Print), 1757-899X (Online) (doi:https://doi.org/10.1088/1757-899X/861/1/012070)