Journal of Marine Science and Application

, Volume 17, Issue 3, pp 432–442 | Cite as

Numerical Investigation of Green Water Loading on Flexible Structures Using Three-Step CFD-BEM-FEM Approach

  • Sumit Kumar PalEmail author
  • Ravindra Babu Kudupudi
  • Mohammed Rabius Sunny
  • Ranadev Datta
Research Article


In this paper, the effect of green water impact on a flexible structure is studied based on three-step computational fluid dynamics (CFD)–boundary element method (BEM)–finite element method (FEM) approach. The impact due to shipping of water on the deck of the vessel is computed using commercial CFD software and used as an external force in coupled BEM-FEM solver. Other hydrodynamic forces such as radiation, diffraction, and Froude-Krylov forces acting on the structure are evaluated using 3D time domain panel method. To capture the structural responses such as bending moment and shear force, 1D finite element method is developed. Moreover, a direct integration scheme based on the Newmark–Beta method is employed to get the structural velocity, displacement, etc., at each time step. To check the effect of the green water impact on the structure, a rectangular barge without forward speed is taken for the analysis. The influence is studied in terms of bending moment, shear force, etc. Results show that the effect of green water impact on the bow region can be severe in extreme seas and lead to various structural damages. Similarly, it is also verified that vessel motion affects green water loading significantly and therefore one must consider its effect while designing a vessel.


Green water loading Computational fluid dynamics 3D time domain panel method Finite element method Newmark–Beta method 



Any opinions, findings, and conclusions or recommendations expressed in this manuscript are those of the writers and do not necessarily reflect those of the Naval Research Board, India.


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Copyright information

© Harbin Engineering University and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Sumit Kumar Pal
    • 1
    Email author
  • Ravindra Babu Kudupudi
    • 1
  • Mohammed Rabius Sunny
    • 1
    • 2
  • Ranadev Datta
    • 1
  1. 1.Department of Ocean Engineering & Naval ArchitectureIndian Institute of Technology KharagpurKharagpurIndia
  2. 2.Department of Aerospace EngineeringIndian Institute of Technology KharagpurKharagpurIndia

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