• Title/Summary/Keyword: Missile Staging

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NUMERICAL SIMULATION OF UNSTEADY MISSILE STAGING SYSTEM (미사일 단분리 시스템의 비정상 유동장 해석)

  • Yoon Y. H.;Kwon K. B.;Hong S. K.
    • Journal of computational fluids engineering
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    • v.10 no.4 s.31
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    • pp.24-31
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    • 2005
  • A dynamic simulation on the missile staging system is conducted with numerical techniques. Both Euler equations and Navier-Stokes equations are numerically solved respectively. The dynamic simulation of two moving bodies is fully integrated into the computational fluid dynamics solution procedure. The Chimera grid scheme is applied in this simulation for unsteady supersonic flow analysis with dynamic modeling. The objective of the study is to investigate the problem pertaining to possible unstability in missile staging. In addition, the computational comparison between in viscid and viscid flow solvers is also performed in this study.

Unsteady Separation Simulation of Missile by Using Moving Grid (움직이는 격자계를 이용한 유도탄의 비정상 분리 유동해석)

  • Kang, Kyoung-Tai;Lee, Bok-Jik;Ahn, Chang-Soo
    • Journal of the Korea Institute of Military Science and Technology
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    • v.10 no.2
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    • pp.47-52
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    • 2007
  • Missile staging and airframe separation simulation were performed by using a numerical technique for simulating the dynamics of multiple moving bodies. A 6DOF model is fully integrated into the CFD solution procedure to determine the body dynamics. Chimera grid technique offered efficient CFD simulation of multiple moving bodies. Through this simulation the safety of deployed staging and airframe separation mechanism was verified.

Separation Motion Analysis of Staging System (단분리 시스템의 분리 거동 해석)

  • Yun, Yong-Hyeon;Hong, Seung-Gyu
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.34 no.4
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    • pp.1-10
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    • 2006
  • Separation motion analysis of staging system is conducted using combined analysis programs, which include unsteady aerodynamic analysis codes and dynamic motion analysis tools. In this study, the analysis is for the long-rang missile staging system. The purpose of this study is to verify the safety and reliance of the proposed staging system, and to find out the influence of angle of attack perturbation on staging. A structured parallel overset mesh called Chimera grid is used for the simulation of unsteady supersonic Euler flow solver. In addition, unsteady dynamic simulations are also performed.