A nonlinear approach to the calculation of large amplitude ship motions and wave loads

G. Mortola; A. Incecik; O. Turan; S. E. Hirdaris

A nonlinear approach to the calculation of large amplitude ship motions and wave loads

G. Mortola, A. Incecik, O. Turan, S. E. Hirdaris

Not published at Aalto University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

1 Citation (Scopus)

Abstract

A two dimensional nonlinear time domain strip theory for the seakeeping analysis of ship behaviour under large amplitude waves is presented. Here the fluid actions are evaluated at each time step using the actual wetted hull portion and the exciting wave elevation as free surface. The radiation problem is partially solved in time domain with the employment of a convolution integral in the history of motion. The nonlinear system of equations of motion is numerically solved in time domain via a fourth order Runge-Kutta method. The proposed nonlinear method is applied to the S-175 Container ship and the results are compared with the predictions for small amplitude waves obtained from the results published by other researchers. A study of the behaviour of the vessel under large amplitude waves is presented.

Original language	English
Title of host publication	Sustainable Maritime Transportation and Exploitation of Sea Resources
Pages	249-255
Number of pages	7
Volume	1
ISBN (Electronic)	9781466558205
Publication status	Published - 1 Dec 2012
MoE publication type	A4 Article in a conference publication
Event	International Congress of the International Maritime Association of the Mediterranean - Genova, Italy Duration: 13 Sep 2011 → 16 Sep 2011 Conference number: 14

Conference

Conference	International Congress of the International Maritime Association of the Mediterranean
Abbreviated title	IMAM
Country	Italy
City	Genova
Period	13/09/2011 → 16/09/2011

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title = "A nonlinear approach to the calculation of large amplitude ship motions and wave loads",

abstract = "A two dimensional nonlinear time domain strip theory for the seakeeping analysis of ship behaviour under large amplitude waves is presented. Here the fluid actions are evaluated at each time step using the actual wetted hull portion and the exciting wave elevation as free surface. The radiation problem is partially solved in time domain with the employment of a convolution integral in the history of motion. The nonlinear system of equations of motion is numerically solved in time domain via a fourth order Runge-Kutta method. The proposed nonlinear method is applied to the S-175 Container ship and the results are compared with the predictions for small amplitude waves obtained from the results published by other researchers. A study of the behaviour of the vessel under large amplitude waves is presented.",

author = "G. Mortola and A. Incecik and O. Turan and Hirdaris, {S. E.}",

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language = "English",

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T1 - A nonlinear approach to the calculation of large amplitude ship motions and wave loads

AU - Mortola, G.

AU - Incecik, A.

AU - Turan, O.

AU - Hirdaris, S. E.

N1 - Conference code: 14

PY - 2012/12/1

Y1 - 2012/12/1

N2 - A two dimensional nonlinear time domain strip theory for the seakeeping analysis of ship behaviour under large amplitude waves is presented. Here the fluid actions are evaluated at each time step using the actual wetted hull portion and the exciting wave elevation as free surface. The radiation problem is partially solved in time domain with the employment of a convolution integral in the history of motion. The nonlinear system of equations of motion is numerically solved in time domain via a fourth order Runge-Kutta method. The proposed nonlinear method is applied to the S-175 Container ship and the results are compared with the predictions for small amplitude waves obtained from the results published by other researchers. A study of the behaviour of the vessel under large amplitude waves is presented.

AB - A two dimensional nonlinear time domain strip theory for the seakeeping analysis of ship behaviour under large amplitude waves is presented. Here the fluid actions are evaluated at each time step using the actual wetted hull portion and the exciting wave elevation as free surface. The radiation problem is partially solved in time domain with the employment of a convolution integral in the history of motion. The nonlinear system of equations of motion is numerically solved in time domain via a fourth order Runge-Kutta method. The proposed nonlinear method is applied to the S-175 Container ship and the results are compared with the predictions for small amplitude waves obtained from the results published by other researchers. A study of the behaviour of the vessel under large amplitude waves is presented.

UR - http://www.scopus.com/inward/record.url?scp=85059562525&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:84896875902

SN - 9780415620819

VL - 1

SP - 249

EP - 255

BT - Sustainable Maritime Transportation and Exploitation of Sea Resources

T2 - International Congress of the International Maritime Association of the Mediterranean

Y2 - 13 September 2011 through 16 September 2011

ER -