Hicks, PeterTod, AlasdairPurvis, Richard2025-08-072025-08-072025-08-10Hicks, P, Tod, A & Purvis, R 2025, 'Violent droplet impacts with periodic rough substrates', Journal of Fluid Mechanics, vol. 1016, A40. https://doi.org/10.1017/jfm.2025.104080022-1120ORCID: /0000-0003-4796-0845/work/189639000https://hdl.handle.net/2164/25816PDH and RP would like to thank the Isaac Newton Institute for Mathematical Sciences, Cambridge, for support and hospitality during the programme the mathematics of multiphase flows with applications, where work on this paper was undertaken. Open Access via the Cambridge University Press agreement231146751engSubstantive link via an eligible employment contractdropsTC Hydraulic engineering. Ocean engineeringTCJournal article10.1017/jfm.2025.10408