Research Article

Mathematical Model of Roll Decay Motion for a Surfaced Submarine

Number: 219 June 30, 2021
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Mathematical Model of Roll Decay Motion for a Surfaced Submarine

Abstract

Among all ship motions, the most critical one is the roll motion for a submarine. The excessive roll motion can be harmful to both ship's crew and equipment, especially in surfaced condition. For this reason, it is important to predict the roll motion during the design stage to overcome excessive roll amplitudes. A mathematical model of the roll motion can be used to predict the motion responses of a submarine. Estimation of the roll damping is the most critical part to develop the mathematical model for a better prediction of the roll motion. The roll damping can be obtained experimentally, numerically and empirically. Experimental methods are expensive and time-consuming and empirical methods cannot be applied for all ship types. For this reason, numerical methods are frequently used due to the development of computer technologies in recent years, being economical and fast. In this study, the mathematical model of roll decay motion for a submarine at surfaced condition was obtained. The roll damping term was obtained numerically by carrying out roll decay simulations using a commercial Computational Fluid Dynamic (CFD) code. The inertia and restoring terms were obtained empirically by using the submarine geometry. The mathematical model was obtained and the roll decay motion of the surfaced submarine was calculated with a 20 degrees initial roll angle at zero speed and 5 kn, 7.5 kn and 10 kn forward speeds. The results were compared with numerical results and a good agreement was observed.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Publication Date

June 30, 2021

Submission Date

June 6, 2021

Acceptance Date

June 24, 2021

Published in Issue

Year 2021 Number: 219

APA
Cansız, M., & Yıldız, B. (2021). Mathematical Model of Roll Decay Motion for a Surfaced Submarine. Gemi Ve Deniz Teknolojisi, 219, 107-123. https://izlik.org/JA44FU33UB
AMA
1.Cansız M, Yıldız B. Mathematical Model of Roll Decay Motion for a Surfaced Submarine. GDT. 2021;(219):107-123. https://izlik.org/JA44FU33UB
Chicago
Cansız, Muhammed, and Burak Yıldız. 2021. “Mathematical Model of Roll Decay Motion for a Surfaced Submarine”. Gemi Ve Deniz Teknolojisi, nos. 219: 107-23. https://izlik.org/JA44FU33UB.
EndNote
Cansız M, Yıldız B (June 1, 2021) Mathematical Model of Roll Decay Motion for a Surfaced Submarine. Gemi ve Deniz Teknolojisi 219 107–123.
IEEE
[1]M. Cansız and B. Yıldız, “Mathematical Model of Roll Decay Motion for a Surfaced Submarine”, GDT, no. 219, pp. 107–123, June 2021, [Online]. Available: https://izlik.org/JA44FU33UB
ISNAD
Cansız, Muhammed - Yıldız, Burak. “Mathematical Model of Roll Decay Motion for a Surfaced Submarine”. Gemi ve Deniz Teknolojisi. 219 (June 1, 2021): 107-123. https://izlik.org/JA44FU33UB.
JAMA
1.Cansız M, Yıldız B. Mathematical Model of Roll Decay Motion for a Surfaced Submarine. GDT. 2021;:107–123.
MLA
Cansız, Muhammed, and Burak Yıldız. “Mathematical Model of Roll Decay Motion for a Surfaced Submarine”. Gemi Ve Deniz Teknolojisi, no. 219, June 2021, pp. 107-23, https://izlik.org/JA44FU33UB.
Vancouver
1.Muhammed Cansız, Burak Yıldız. Mathematical Model of Roll Decay Motion for a Surfaced Submarine. GDT [Internet]. 2021 Jun. 1;(219):107-23. Available from: https://izlik.org/JA44FU33UB