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- W2347720171 abstract "For the deployment dynamics problem of a space flexible thin-wall deployable boom to deploy by its own elasticity,theoretical formulas are derived to calculate the stress distribution of the boom's sections based on the Kirchhoff-Love hypothesis and the generalized Hooke's law.The formulas are used to initialize prestress of the finite element model of the deployable boom,and deployment dynamics simulations of the equal-sense coiled,the opposite-sense coiled and the incompactly coiled deployable boom are conducted by using the explicit time integration method.The simulation results are validated by experiments.It is shown that the formulas can accurately calculate the stress state of the space thin-wall deployable boom before its deployment,and the explicit simulation based on prestress initialization method can accurately simulate the deployment of the boom;the opposite-sense coiled boom will deploy to its clamped bottom and take more initial strain energy in the deployment process,which are harmful to the space application of the deployable boom,and therefore the equal-sense coiling method should be chosen in the boom design;the incompactly coiling makes the inner shells tend to slide out from the side edge of the coiled section and the boom produce large torsion,which can be effectively avoided by increasing the friction coefficient of the boom's material." @default.
- W2347720171 created "2016-06-24" @default.
- W2347720171 creator A5073749115 @default.
- W2347720171 date "2013-01-01" @default.
- W2347720171 modified "2023-09-24" @default.
- W2347720171 title "Deployment Simulation and Coiling Method Study of a Space Thin-Wall Deployable Boom" @default.
- W2347720171 hasPublicationYear "2013" @default.
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