Stability of infinitely wide triple-layer panel propelled by tracking force
Abstract
The flight of an infinitely wide triple layer panel driven by a uniformaly distributed compressive tracking force at a constant acceleration is analyzed as flutter of a nonconservative system. For stability analysis of such a system, the equations of small transverse vibrations are derived from the balance of forces on an element of unit width and infinitesimal length. Three different boundary conditions are considered: both panel edges free; one panel edge free and the other edge constrained by by an infinitely stiff diaphragm; and each panel constrained. Stability analysis of such systems by the dynamic method of Bolotin involves determingin the load dependence of the vibration frequency. The critical load under which the vibration amplitude begins to increase is determined, after the frequency equation was obtained from the characteristic equations. The algorith was programmed for computer calculation and applied to the panels.
- Publication:
-
USSR Rept Eng Equipment JPRS UEQ
- Pub Date:
- January 1986
- Bibcode:
- 1986RpEE.........1G
- Keywords:
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- Boundary Value Problems;
- Computer Programs;
- Flutter;
- Panels;
- Stability;
- Algorithms;
- Boundary Conditions;
- Loads (Forces);
- Stiffness;
- Vibration;
- Engineering (General)