NDLI: Buckling and vibration analysis of a simply supported column with a piecewise constant cross section

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Buckling and vibration analysis of a simply supported column with a piecewise constant cross section

Content Provider	NASA Technical Reports Server (NTRS)
Author	Lake, Mark S. Mikulas Jr., Martin M.
Copyright Year	1991
Description	An analysis and sample results for the lateral buckling and vibration of a compressively loaded column is presented whose cross section is piecewise constant along its length. The column is symmetric about its mid-span and consists of three sections, the center section having a stiffer cross section than the two identical end sections. Buckling and vibration characteristics of the column are determined from numerical solution of the exact eigenvalue problems. Parametric structural efficiency analyses are performed using a nondimensionalized set of governing equations to determine the optimum ratio between the lengths of the center section and the outer sections based on both buckling load and vibration frequency requirements. In these analyses, two relationships exist. One is between cross-sectional mass and the cross section, and the other is a high-efficiency scheme. The effect of axial load on vibration frequency is also examined and compared with that of a uniform column.
File Size	764409
Page Count	18
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910011190
Archival Resource Key	ark:/13960/t1sf7pb03
Language	English
Publisher Date	1991-03-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Dynamic Structural Analysis Structural Stability Structural Vibration Axial Loads Tapering Columns Supports Resonant Frequencies Eigenvalues Vibration Mode Stiffness Buckling Cross Sections Bending Vibration Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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