Hjem
  • E-postYan.Li@uib.no
  • Besøksadresse
    Allégaten 41
    Realfagbygget
    5007 Bergen
  • Postadresse
    Postboks 7803
    5020 Bergen

On-going research areas:

Fluid dynamics

  • ocean surface gravity waves;
  • wave-current interaction;
  • wave-bathymetry interaction;
  • wave statistics;
  • wave-turbulence interaction;

Oceanography

  • Ocean wave modeling;
  • Ocean circulation;
  • wave-driven flows;

Offshore engineering

  • Sea loads;
  • Met-ocean; 
  • Offshore wind (hydrodynamics); 

Honors (selected):

Projects

  • "Water wave modulation and wave forces with sheared currents" funded by the Research Council of Norway. Click here for the project description and updates. 

  • Experimental study on the evolution of a narrow-banded wavepacket propagating over a step (UK & China Center for Offshore Renewable Energy Flexible Funding / UK EPSRC- NERC) 

Supervision: 

Ph.D. candidates: 

  • 2021-2026, Zirui Xin (Shanghai Jiao Tong University, SJTU), together with Prof. Xin Li, Topic: coupled effects of wave-current interaction on offshore bottom-fixed and floating wind turbines. 
  • 2021-2026, Jianhong Zhang (SJTU), together with Prof. Wenyue Lu, Topic: Evolution of directional-spreading steep wave groups in deep water
  • 2019-2023, Zibo Zheng (NTNU), together with Prof. Simen Ellingsen, Topic: Wave statistics in a vertically sheared current. 

Master students: 

  • 2023-2024 Sindre Lund Lomås (UiB)
  • 2022-2023 Liangfu Wu (SJTU), Topic: the numerical study of the nonlinear evolution of wave spectrum in a background current.  

 

Teaching: 

MAT 253: Fluid Mechanics (Post-graduate level) 

MAT 213: Functions of a Complex Variable 

Vitenskapelig artikkel
  • Vis forfatter(e) (2024). How currents trigger extreme sea waves. The roles of Stokes drift, Eulerian return flow, and a background flow in the open ocean. Geophysical Research Letters.
  • Vis forfatter(e) (2023). The influence of directional spreading on rogue waves triggered by abrupt depth transitions. Journal of Fluid Mechanics.
  • Vis forfatter(e) (2023). Statistics of weakly nonlinear waves on currents with strong vertical shear. Physical Review Fluids.
  • Vis forfatter(e) (2023). On coupled envelope evolution equations in the Hamiltonian theory of nonlinear surface gravity waves. Journal of Fluid Mechanics.
  • Vis forfatter(e) (2023). Coupled effects of wave and depth-dependent current interaction on loads on a bottom-fixed vertical slender cylinder. Coastal Engineering.
  • Vis forfatter(e) (2022). Wave loads on ocean infrastructure increase as a result of waves passing over abrupt depth transitions. Journal of Ocean Engineering and Marine Energy. 1-9.
  • Vis forfatter(e) (2021). Why rogue waves occur atop abrupt depth transitions. Journal of Fluid Mechanics. 11 sider.
  • Vis forfatter(e) (2021). Weakly nonlinear broadband and multi-directional surface waves on an arbitrary depth: A framework, Stokes drift, and particle trajectories. Physics of Fluids. 19 sider.
  • Vis forfatter(e) (2021). Three dimensional surface gravity waves of a broad bandwidth on deep water. Journal of Fluid Mechanics. 43 sider.
  • Vis forfatter(e) (2021). Surface wavepackets subject to an abrupt depth change. Part 1. Second-order theory. Journal of Fluid Mechanics. 28 sider.
  • Vis forfatter(e) (2021). Surface wavepackets subject to an abrupt depth change. Part 2. Experimental analysis. Journal of Fluid Mechanics. 22 sider.
  • Vis forfatter(e) (2021). Harmonic-induced wave breaking due to abrupt depth transitions: An experimental and numerical study. Coastal Engineering. 15 sider.
  • Vis forfatter(e) (2020). Fully nonlinear simulations of unidirectional extreme waves provoked by strong depth transitions: The effect of slope. Physical Review Fluids. 28 sider.
  • Vis forfatter(e) (2019). Transient wave resistance upon a real shear current. European journal of mechanics. B, Fluids. 180-192.
  • Vis forfatter(e) (2019). A Framework for Modeling Linear Surface Waves on Shear Currents in Slowly Varying Waters. Journal of Geophysical Research (JGR): Oceans. 2527-2545.
  • Vis forfatter(e) (2018). Wave-Interference Effects on Far-Field Ship Waves in the Presence of a Shear Current. Journal of Ship Research. 37-47.
  • Vis forfatter(e) (2017). Approximate Dispersion Relations for Waves on Arbitrary Shear Flows. Journal of Geophysical Research (JGR): Oceans. 9889-9905.
  • Vis forfatter(e) (2016). Ship waves on uniform shear current at finite depth: Wave resistance and critical velocity. Journal of Fluid Mechanics. 539-567.
  • Vis forfatter(e) (2016). Multiple resonances of a moving oscillating surface disturbance on a shear current. Journal of Fluid Mechanics. 668-689.
Doktorgradsavhandling
  • Vis forfatter(e) (2017). Surface water waves on depth dependent flows.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Vis forfatter(e) (2019). Linear Evolution of a Narrow-Banded Surface Gravity Wavepacket Over an Infinite Step .
  • Vis forfatter(e) (2018). Surface waves generated by a translating and oscillating source atop realistic shear flows. 8 sider.
  • Vis forfatter(e) (2017). Effect on Doppler Resonance From a Near-Surface Shear Layer. 7 sider.
  • Vis forfatter(e) (2016). Effect of Anisotropic Shape on Ship Wakes in Presence of Shear Current of Uniform Vorticity. 8 sider.
  • Vis forfatter(e) (2015). Waves in presence of shear current with uniform vorticity. 12 sider.
  • Vis forfatter(e) (2015). Initial Value Problems for Water Waves in the Presence of a Shear Current. 7 sider.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) (2023). On the formation of coastal rogue waves in water of variable depth. Cambridge Prisms: Coastal Futures.

Se fullstendig oversikt over publikasjoner i CRIStin.

2024

  • Li, Yan; Chabchoub, Amin (2024). How currents trigger extreme sea waves. The roles of Stokes drift, Eulerian return flow, and a background flow in the open ocean. Geophysical Research Letters. (In production)

  • Ellingsen, S.Å.; Zheng, Z; Abid, M; Kharif, C; Li, Yan (2024). Dispersive Wave Focusing on a Shear Current: Part 1—Linear Approximations. Water Waveshttps://doi.org/10.1007/s42286-024-00085-3

20 23

  • Li, Yan (2023). On coupled envelope evolution equations in the Hamiltonian theory of nonlinear surface gravity waves. Journal of Fluid Mechanics, Vol. 960, A33. doi:10.1017/jfm.2023.205

  • Li, Yan; Chabchoub, Amin (2023). On the formation of coastal rogue waves in water of variable depth. Cambridge Prisms: Coastal Futures 2023 ; Vol. 1.(e33). https://doi.org/10.1017/cft.2023.21.

  • Zheng, Zibo; Li, Yan;  Ellingsen, Simen Andreas Ådnøy (2023). Statistics of weakly nonlinear waves on currents with strong vertical shear. Physical Review Fluids. 8, 014801. DOI:https://doi.org/10.1103/PhysRevFluids.8.014801.

  • Tang, Tianning; Moss, Charlotte; Draycott, Samuel; Bingham, Harry B.; Van Den Bremer, Ton S.; Li, Yan; Adcock, Thomas A.A.(2023).The influence of directional spreading on rogue waves triggered by abrupt depth transitions. Journal of Fluid Mechanics (Rapids); Vol. 972. https://doi.org/10.1017/jfm.2023.737 

  • Xin, Zirui; Li, Xin; Li, Yan (2023). Coupled effects of wave and current interaction on loads on a bottom-fixed vertical slender cylinder.  Coastal Engineering. 183. 104304. doi.org/10.1016/j.coastaleng.2023.104304

  • Li, Yan; Xin, Zirui; Li, Xin (2023). Exponential integrator for nonlinear surface gravity-capillary waves. Submitted to OMAE-2023 (in press) 

2022

2021

2020

2019

2018

2017

Doctoral Thesis

  • Li, Yan. (2017) Surface water waves on depth dependent flows. 2017. ISBN 978-82-326-2461-4.

Paper(s) in Conference proceedings:

2016

Paper(s) in Conference proceedings:

Paper(s) in Conference proceedings:

Journal paper in Chinese:

Forskergrupper