On the inadequacies of current multi-flexible body simulation codesDISCOS was used to simulate the spin-up of a uniform flexible beam mounted on a rigid spinning disk. The system operated well for the first few seconds but then there was a drastic rise in deflection as the whole system became unstable. Attention is given to the reason for the breakdown of DISCOS and how this affects the simulation results from DISCOS and other multiflexible-body simulation programs. It is found that a formulation option already available in DISCOS will eliminate the dramatic divergence observed in high spin regimes and give good results in low spin regimes while requiring highly simplified input data.
Document ID
19870063138
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Eke, Fidelis O. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Laskin, Robert A. (California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)