Dynamic impact interaction of space constructions adapters during separation

1Shulzhenko, NG, 1Zaytsev, BF, 1Asaenok, AV, 2Klimenko, DV, 2Batutina, TYa., 2Burchakov, BV
1A.N. Podgorny Institute for Mechanical Engineering Problems of the National Academy of Sciences of Ukraine, Kharkiv, Ukraine
2Yangel Yuzhnoye State Design Office, Dnipropetrovsk, Ukraine
Space Sci.&Technol. 2016, 22 ;(2):12-21
Section: Space-Rocket Vehicles
Publication Language: Russian
We model dynamic process in the system of adapters of a launch vehicle and spacecraft, caused by the impulse effect of activation of electroexplosive devices during separation stage. We used three-dimensional “finite element method” models and a special method to account for a surface of adapter separation, needed to model the unilateral contact. Time modeling is done using finite difference Wilson θ-method. We also show the obtained results of adapters’ kinematic characteristics and the impact spectra.
Keywords: accelerograms, adapter, contact, dynamics, finite element, range strike, separation, space design
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