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Journal of Computational Design and Engineering   Volume 1, Number 4, October 2014, pages 266-271
Naval ship\'s susceptibility assessment by the probabilistic density function
Kwang Sik Kim, Se Yun Hwang and Jang Hyun Lee

Abstract     [Full Text]
    The survivability of the naval ship is the capability of a warship to avoid or withstand a hostile environment. The survivability of the naval ship assessed by three categories (susceptibility, vulnerability and recoverability). The magnitude of susceptibility of a warship encountering with threat is dependent upon the attributes of detection equipment and weapon system. In this paper, as a part of a naval ship's survivability analysis, an assessment process model for the ship's susceptibility analysis technique is developed. Naval ship's survivability emphasizing the susceptibility is assessed by the probability of detection, and the probability of hit. Considering the radar cross section (RCS), the assessment procedure for the susceptibility is described. It's emphasizing the simplified calculation model based on the probability density function for probability of hit. Assuming the probability of hit given a both single-hit and multiple-hit, the susceptibility is accessed for a RCS and the hit probability for a rectangular target is applied for a given threat.
Key Words
    Survivability; Vulnerability; RCS (Radar Cross Section); Probability of hit; Probability of detection
Department of Naval Architecture and Ocean Engineering, INHA University, 100 Inharo, Nam-gu, Incheon 402-751, Republic of Korea

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