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Publications
Santos, T. and Guedes Soares, C. (2000), “Transient Asymmetric Flooding of Ro-Ro Ships” (In Portuguese), The Sea and the Challenges of the Future, Guedes Soares, C. and Beirão Reis, J. (Eds.), Edições Salamandra, Lda, Lisbon, pp. 85-105
This work describes a time domain theoretical model of damaged ship motions. This model also allows the time domain simulation of the flooding progression, using the pressure integration technique to compute the damage stability characteristics of the vessel at each time step. The theoretical model is used, together with a sophisticated numerical model of the ship subdivision, to study a relatively less known phenomenon: transient asymmetric flooding. This phenomenon is held responsible for the accident of the passenger RO-RO European Gateway, which occurred in 1985 near the English coast. This accident is modeled and simulated using the above mentioned theoretical model.
The main conclusion drawn from this work is that the possibility exists that RO-RO ship symmetrical compartments crowded with machinery or with complicated lay-outs may cause a transient asymmetrical flooding. This phenomenon may, in turn, cause the capsize of the vessel due to immersion of the bulkhead deck edge and subsequent flooding of the main vehicle deck.
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