Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Predicting Sabot-Trajectory of Shipboard Projectile Including Ship Motion & Generating Trajectory-range Function for Interference Analysis with Structure of Naval Ship

함정 운동이 포함된 발사체 지지대 궤적 및 궤적 범위 함수 산출을 통한 함정과의 간섭 예측

  • Park, Yunho (The 1st Research and Development Institute, Agency for Defense Development) ;
  • Woo, Hokil (Department of Mechanical Engineering, Chungnam National University)
  • 박윤호 (국방과학연구소 제1기술연구본부) ;
  • 우호길 (충남대학교 기계공학과)
  • Received : 2018.04.19
  • Accepted : 2018.09.07
  • Published : 2018.10.05
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Abstract

In this paper, we have calculated a formular for sabot-trajectory of shipboard projectile including ship motion and generated trajectory-range function for analysing interference with structure of naval ship. We make formula to approximate the ship motion data of naval ship using optimization technique. Through this formula, we calculate the velocities and accelerations of sabot caused by ship motion(surge, sway, heave, roll, pitch, yaw) and then, we produce the formula about the trajectory of sabot including effects of ship motion in addition to previous study which had considered the effects of the pressure of flume, friction force, etc. To investigate interference with ship structures, we make the trajectory-range functions and then extract the nearest or farthest trajectory to ship structure. Through these data, we can conform whether the interference is happened or not.

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References

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