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The Royal Institute of Naval Architects

Delner Brakes Oct 2018

US Coast Guard

IJME 365

Paper title: Modelling the Heave Oscillations of Vertical Cylinders with Damping Plates

 

Authors

A Lavrov and C Guedes Soares, Centre for Marine Technology and Ocean Engineering (CENTEC), Instituto Superior Tecnico, Universidade de Lisboa, Portugal

Summary 

The laminar flow around heaving axisymmetric and three-dimensional cylinders with damping plates is numerically studied for various Keulegan-Carpenter numbers. The Navier-Stokes equations are solved using OpenFOAM, which is applied to the flow on a moving mesh. For processing of results the semi-empirical Morison equation is used. Calculations are conducted for one cylinder, one cylinder with one disk, one cylinder with two disks, and one cylinder with one pentagonal plate. The calculated values are compared against experimental data.

Reference

Transactions RINA, Vol 158, Part A3, International Journal Maritime Engineering, Jul-Sep 2016 

DOI Number

DOI No: 10.3940/rina.ijme.2016.a3.365

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