Hydrodynamics and hydro structure

Technical Bulletin 2007




A detailed understanding of hydrodynamics and the response of complex structures to liquid forces is at the heart of our ability to ensure ever larger and more complex structures are both safe and efficient.  The papers grouped in this section headline the challenges faced by hydrodynamic researchers, and the advances made. Special reference is made to advances in understanding hydro-elastic behavior and to dynamic coupling between vessel and tank liquid.

Hydrodynamics alone is very useful for understanding global floating body behavior, but it is of even greater use in determining the correct structural loading and respective structural responses. During the last few years BV has made great efforts to ensure proper coupling of hydrodynamic and structural tools. Innovative and very efficient methods and tools were developed. These tools are essential to harmonizing the rule approach with the increasingly relevant rational direct calculation approach, especially for the new floating body concepts which cannot be covered by the existing rules. All this helps to improve the structural integrity, safety and security of ships and off-shore platforms.

Several papers in this Bulletin describe these developments for particular hydro- structural issues going from simple linear quasi static structural responses, to very complex non-linear local and global hydro elastic issues.


articles authors

Second Order Loads on LNG Terminals in Multi-Directional Sea in Water of  Finite Depth

F. Rezende, X. Li & X. B. Chen

Sloshing Effects Accounting for Dynamic Coupling Between Vessel and Tank Liquid Motion

M. Zalar, L. Diebold, E. Baudin, J. Henry, X.B. Chen

Some Aspects of Direct Calculation Methods for the Assessment of LNG Tank Structure Under Sloshing Impacts

M. Zalar, S. Malenica, Z. Mravak & N. Moirod

Formulations of Low-frequency QTF by O[Dw] approximation

X.B. Chen,W.Y. Duan

Hydro structure interactions in seakeeping

S. Malenica

Some aspects of slamming calculations in seakeeping

S. Malenica & A. A. Korobkin A.

Study of the Neumann-Kelvin problem for one hemisphere

L. Diebold

A shape optimisation technique for the Wagner Program

T. Gazzola

Some aspects of hydroelastic issues in the design of ultra large container ships

S. Malenica , I. Senjanovic,  S. Tomasevic &  E. Stumpf

Unsteady waves due to an impulsive Oseenlet beneath the capillary surface of a viscous fluid

D.Q. Lu and X.B. Chen

Steady ship waves due to a simple source in a viscous fluid

D.Q. Lu, X.B. Chen and A. Chwang

Steep Wave Impact Onto Elastic Wall

Korobkin A., Malenica S.