Abstract The impact and elasticity of discontinuous beams with clearance frequently affect the dynamic response of structures used in space missions. This study investigates the dynamic response of jointed beams which are the periodic units of deployable structures. The vibration process of jointed beams includes free-play and impact stages. A method for the dynamic analysis of jointed beams with clearance is proposed based on mode superposition and instantaneous static deformation. Transfer matrix, which expresses the relationship of the responses before and after the impact of jointed beams, is derived to calculate the response of the jointed beams after a critical position. The dynamic responses of jointed beams are then simulated. The effects of various parameters on the displacement and velocity of beams are investigated.
Highlights We investigate the dynamic response of jointed beam. A method for dynamic analysis of impact beams with clearance is proposed. The dynamic response of jointed beam is simulated. The effects of the parameters on the dynamic response of the beam are investigated.
Nonlinear dynamic characteristic analysis of jointed beam with clearance
Acta Astronautica ; 129 ; 135-146
2016-09-05
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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