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April 25, 2026Ocean EngineeringOpen Access

Numerical mechanism of pressure oscillations in high-resolution VOF interface-capturing scheme: Insights from wedge water entry

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Authors

DYDongni YanAalto UniversityTMTommi MikkolaHRHeikki RemesAalto University

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Overview

Randomized trial investigates the cause of pressure oscillations in high-resolution fluid simulations, suggesting a new assessment method.

Key Points

  • This research explores the numerical mechanisms behind pressure oscillations during the wedge water entry process.
  • Investigated numerical simulations of wedge water entry using a finite-volume discretisation framework.
  • Examined transitions in VOF discretisation from downwind to blended upwind-downwind formulation.
  • Proposed a simplified approach for evaluating oscillation effects on hydroelastic coupling.
  • Pressure oscillations result from momentum imbalance due to variations in mass flux and velocity between computational cells.
  • Mechanism linked to the transition in VOF interface-capturing discretisation.
  • Frequency of oscillations depends on water entry velocity, grid size, and deadrise angle.

Cite This Study

Yan et al. (2026) studied this question.

synapsesocial.com/papers/69ec598788ba6daa22dab630https://doi.org/10.1016/j.oceaneng.2026.125649
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