Experimental and numerical analysis of liquid sloshing within tank subjected to pitching motion

Abstract

Liquid sloshing in partially filled tanks can generate large free surface oscillations, especially under pitch excitation. While extensive research has addressed sloshing in rigid containers, few studies focus on sloshing within flexible tanks or pure pitch-induced sloshing. This work presents a combined experimental and numerical investigation of sloshing dynamics in rigid and flexible tanks subjected to controlled pitch excitation. Many excitation configurations are considered. The numerical and experimental results are in close agreement in terms of oscillation frequencies, phase evolution, and response amplitudes. Only very small deviations are observed near the response minima, which may be attributed to limitations of the optical measurement technique. A parametric study investigates the effects of filling level and wave period on liquid sloshing. Finally, the study on flexible tank indicates that flexibility reduces sloshing amplitude.

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BibTeX RIS

BibTeX

@article{ghouini2026experimental,
  title = {{Experimental and numerical analysis of liquid sloshing within tank subjected to pitching motion}},
  author = {Fatiha Ghouini and Alina Santa Cruz and Kim Q N Kha and Mustapha Benaouicha and Sylvain S. Guillou and Abdelghani Seghir},
  journal = {Applied Ocean Research},
  year = {2026},
  month = sep,
  doi = {10.1016/j.apor.2026.105232},
  url = {https://hal.science/hal-05748602v1},
  note = {CC BY-NC-ND 4.0},
}

RIS

TY  - JOUR
TI  - Experimental and numerical analysis of liquid sloshing within tank subjected to pitching motion
AU  - Fatiha Ghouini
AU  - Alina Santa Cruz
AU  - Kim Q N Kha
AU  - Mustapha Benaouicha
AU  - Sylvain S. Guillou
AU  - Abdelghani Seghir
PY  - 2026
DA  - 2026/09/13
JO  - Applied Ocean Research
DO  - 10.1016/j.apor.2026.105232
UR  - https://hal.science/hal-05748602v1
AB  - Liquid sloshing in partially filled tanks can generate large free surface oscillations, especially under pitch excitation. While extensive research has addressed sloshing in rigid containers, few studies focus on sloshing within flexible tanks or pure pitch-induced sloshing. This work presents a combined experimental and numerical investigation of sloshing dynamics in rigid and flexible tanks subjected to controlled pitch excitation. Many excitation configurations are considered. The numerical and experimental results are in close agreement in terms of oscillation frequencies, phase evolution, and response amplitudes. Only very small deviations are observed near the response minima, which may be attributed to limitations of the optical measurement technique. A parametric study investigates the effects of filling level and wave period on liquid sloshing. Finally, the study on flexible tank indicates that flexibility reduces sloshing amplitude.
SN  - 0141-1187
SN  - 1879-1549
ER  -

Abstract

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