Publicações

Corak, M., Parunov, J. e Guedes Soares, C. (2015), “Long-term prediction of combined wave and whipping bending moments of container ships”, Ships and Offshore Structures, Vol. 10(1), pp. 4-19

The purpose of this paper is to propose a practical computational procedure for the long-term distribution of combined wave and whipping bending moments (BMs) of container ships. The problem is formulated in the frequency domain using standard engineering tools for load computation: a seakeeping code for the rigid-body response and a beam finite element model for transient vibratory response. The von Karman approach with correction for pile-up effect is employed for bow flare slamming load assessment. Correlation between wave and whipping BMs is considered. The procedure is demonstrated on the example of a 9200 TEU container ship. Long-term distributions of combined BMs are computed using the standard International Association of Classification Societies scatter diagram for the North Atlantic environment and two additional scatter diagrams for common shipping routes of container ships. The speed profile required for the long-term load prediction is calculated by the seakeeping analysis respecting operability limiting criteria. Conclusions about influence of various environmental and operability parameters are drawn.

Pode descarregar esta publicacao de: http://www.tandfonline.com/doi/abs/10.1080/17445302.2013.833022

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