Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Integrated survivability assessment given multiple penetration hits

다중 관통 피격에 따른 함정 통합 생존성 분석 절차

  • Kim, Kwang-Sik (Graduate school, Department of Naval Architecture and Ocean Engineering, INHA University) ;
  • Lee, Jang-Hyun (Department of Naval Architecture and Ocean Engineering, INHA University)
  • 김광식 (인하대학교 대학원 조선해양공학과) ;
  • 이장현 (인하대학교 조선해양공학과)
  • Received : 2013.08.13
  • Accepted : 2014.02.13
  • Published : 2014.02.28
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Abstract

Survivability assessments and vulnerability reductions are required in warship design. A warship's survivability is assessed by its susceptibility, vulnerability, and recoverability. In this paper, an integrated survivability assessment for a warship subjected to multiple hits is introduced. The methodology aims at integrating a survivability assessment into an early stage of warship design. The hull surface is idealized using typical geometries for RCS (Radar Cross Section) detection probability and susceptibility. The Vulnerability is evaluated by using the shot-line. The recoverability is estimated using a survival time analysis. This enables the variation of survivability to be assessed. Several parameters may be varied to determine their effects on the survivability. The susceptibility is assessed by the probability of detecting the radar cross section of the subject and the probability of being hit based on a probability density function. The vulnerability is assessed by the kill probability based on the vulnerable area of critical components, according to the component's layout and redundancy. Recoverability is assessed by the recovery time for damaged critical components.

Keywords

References

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