| Flexible Multibody Dynamic Analysis of Missile Behavior for the Initial Launching Stage |
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| 유도탄의 유연성을 고려한 발사초기 동역학 해석 |
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안진수, 임범수 |
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국방과학연구소 |
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| Abstract |
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Dynamic behavior of missile which is fired in canister is analyzed by flexible multibody dynamics. The bending elasticity of missile is very important in case that missile is fired in the inclined launcher. In this paper, the force element model for the missile launching stage and the finite element model of missile are developed. The FEA model of missile is condensed into five lumped mass element model and the consistence between FE model and lumped mass model of missile is verified by modal analysis. As a result of analysis, sabot reaction force and pitch rate of missile for the variation of gap size and force element are obtained. |
| Key Words:
Dynamic analysis, Pitch rate, Sabot, Canister, Gap, Stiffness |
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