Performance assessment of the crashworthiness of corroded ship hulls
Paper in proceedings, 2017

The effects of ship-ship collision damage and progressive deterioration due to corrosion of a struck ship’s hull are studied numerically in a crashworthiness assessment. The performance of a struck ship’s hull is quantified in terms of the shape and size of the damage opening in the side-shell structure, and the division of energy absorption between the striking and struck ships. Results from finite element analyses are presented where several factors are varied in a parametric study: ship speed, collision angle, bow stiffness, material strain rate effect, friction characteristics of the outer side-shell of the struck ship, and influence from corrosion. The results show that the combined effects of a sudden collision load and corrosion lead to a damage opening size of the struck ship which is around 25% larger compared to the reference case with full corrosion margin and with non-corroded friction characteristics of the ballast water tank surface areas.

damage opening

corrosion

crashworthiness

strain rate

ship collision

Author

Jonas Ringsberg

Chalmers, Shipping and Marine Technology, Marine Technology

Zhiyuan Li

Chalmers, Shipping and Marine Technology, Marine Technology

Erland Johnson

Chalmers, Shipping and Marine Technology, Marine Technology

RISE Research Institutes of Sweden

Progress in the Analysis and Design of Marine Structures - Procceedings of The 6th International Conference on Marine Structures (MARSTRUCT 2017)

523-531

Progress in the Analysis and Design of Marine Structures - Procceedings of The 6th International Conference on Marine Structures (MARSTRUCT 2017)
Lisbon, Portugal,

Chalmers Area of Advance Transport – funding 2017

Chalmers, 2017-01-01 -- 2017-12-31.

Driving Forces

Sustainable development

Innovation and entrepreneurship

Subject Categories

Materials Engineering

Computational Mathematics

Vehicle Engineering

Areas of Advance

Transport

Materials Science

Roots

Basic sciences

More information

Latest update

10/11/2018