Comparative seakeeping performance analysis of a warship

Tezdogan, Tahsin and Aldogan, Ali Ihsan (2011) Comparative seakeeping performance analysis of a warship. In: 1st International Symposium on Naval Architecture and Maritime, 2011-10-24 - 2011-10-25, Yildiz Technical University.

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    Abstract

    A successfully designed ship is expected to fulfill her mission in almost all weather and sea states without compromising her safety. This is particularly important for a warship and crew onboard to be able to perform their complex tasks in good physical and mental state. This paper presents comparative seakeeping performance analysis of a warship operating in Turkish waters, which include Mediterranean Sea, Aegean Sea and Black Sea, for varying sea states, wave headings and ship speeds. The comparative analysis was conducted by using a commercial seakeeping package (ShipmoPC), which is a strip theory based software, for the 6 degrees of freedom motion responses as well as the vertical accelerations, and added wave resistance. The effect of active fins on the roll motion responses was also explored. The analysis results were compared with the NATO Standardization Agreement (STANAG 4154) criteria. The results were presented in standard graphical format and polar diagrams, and discussed in details in the paper.