Summer Research Internship
Project 19: Vortex Induced Vibration of a Catenary Riser
Release time:2017-10-12 Read the number:4727

Contact Information

Prof. Dai Zhou



Project Description and Objectives

For this project, three-dimensional spectral/hp computations will be executed to study the fundamental mechanisms of vortex shedding in the wake of a catenary riser at a low Reynolds number of 100. The project will focus on three aspects:

  1. Flow over a catenary cylinder with a free stream parallel to the plane of curvature. We will numerically investigate the wake dynamics behind the catenary configuration at Re = 100 in order to characterize the wake topology. In addition, the evolution of hydro-forces and field variables along the span distance will be examined.

  2. Wake characteristics of stationary catenary risers with different incoming flow directions. Through the three-dimensional numerical investigation, flow past a freely hanging stationary riser in a catenary shape, where the angle of incoming flow direction with respect to the plane aligned with the CR will range from α= 0°~90° at a low Reynolds number of 100.

  3. A direct numerical simulation study of flow past a freely vibrating CR/curved circular cylinder. Vortex induced vibration of a long flexible cable at a Reynolds number between 100 and 200, corresponding to laminar and early transitional flow states, will be studied in this project.


Eligibility Requirements

  • Interested students should have basic knowledge of hydrodynamics and numerical simulation.


    Main Tasks

    Finish a research report.

    Give two research presentations (a. references review; b. technical presentation).

    Submit one paper to a journal as a co-author.



    Lab: N/A


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