PhD project

Extensions of the Alber equation and statistical modulation instability analysis for crossing seas

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Funding availability

Unfunded

Application deadline

30 June 2024

About the project

It is well known that nonlinear dispersive equations exhibit modulation instability, a phenomenon linked to extreme events such as rogue waves. Modulation instability was first discovered as the linear instability of plane-wave solutions to nonlinear equations, but realistic problems demand a more flexible framework. In that context, the Alber equation was introduced as a stochastic moment system, providing a framework for the statistical analysis for the stability of a homogeneous wave-field. Alber equations have several novel features, and their rigorous study is only now reaching maturity, with several questions still open. Moreover, the classical Alber equation only covers quasi-unidirectional problems, excluding in particular crossing seas (wave systems arriving to the same area from different directions), which have recently been identified as crucial settings for the appearance of rogue waves. In this project, an extended two-dimensional Alber equation, including crossing seas, will be derived and studied.

Diversity statement

Our research community thrives on the diversity of students and staff which helps to make the University of Dundee a UK university of choice for postgraduate research. We welcome applications from all talented individuals and are committed to widening access to those who have the ability and potential to benefit from higher education.

How to apply

  1. Email Dr Agissilaos Athanassoulis (a.athanassoulis@dundee.ac.uk) to:
    • send a copy of your CV
    • discuss your potential application and any practicalities (e.g. suitable start date)
  2. After discussion with Dr Athanassoulis, formal applications can be made via our direct application system. 
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