Volume 25 Issue 4
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LU Jing, LI Jun-feng, WANG Tian-shu, YUE Bao-zeng. BIFURCATION OF A LIQUID-FILLED SPACECRAFT WITH ELASTIC APPENDAGES[J]. Engineering Mechanics, 2008, 25(4): 200-203.
Citation: LU Jing, LI Jun-feng, WANG Tian-shu, YUE Bao-zeng. BIFURCATION OF A LIQUID-FILLED SPACECRAFT WITH ELASTIC APPENDAGES[J]. Engineering Mechanics, 2008, 25(4): 200-203.
shu

BIFURCATION OF A LIQUID-FILLED SPACECRAFT WITH ELASTIC APPENDAGES

  • (1. School of Aerospace, Tsinghua University, Beijing 100084, China; 2. School of Science, Beijing Institute of Technology, Beijing 100081, China )

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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    • Abstract
  • The coupling dynamics of the pitching of spacecraft, the sloshing of liquid fuel and the vibration of elastic appendages are investigated. The coupling dynamics equations deduced by using H-O principle are adopted. The multiple scale method is proposed to analyze the primary resonance of the rigid-liquid-elastic coupling system. The bifurcation analysis is given by means of singularity theory. The hysteresis bifurcation is found in the desired coupling system, it is represented by the amplitude-frequency response switches between soft and hard spring types at the critical depth.
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