Effects of Initial Conditions on Large Space Structures

by Ramesh B. Malla, Univ of Connecticut, United States,

Abstract: Effects of initial conditions of axial deformation (length) and attitude (pitch) angle have been investigated on the subsequent orbital motion, attitude (librational) motion, and axial deformation (length) of a large space structure under the action of the earth's gravitational force. The space structure is assumed to be axially flexible and is considered to be executing a planar motion around the earth. It is observed that the initial values of the parameters can have appreciable effects on the structure's axial deformation and its attitude motion, whereas they have negligible effects on the structure's orbital motion (orbital radius and angular velocity).

Subject Headings: Motion (dynamics) | Space structures | Deformation (mechanics) | Orbits | Space frames | Equations of motion | Structural analysis | Parameters (statistics)

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