Brief Report
Aug 1977
Analysis of Undercarriage Frames of Railway Wagons
Authors: Suresh S. Kulkarni and Madhukar M. BasoleAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 103, Issue 4
Abstract
Undercarriages of railway wagons, are frames in horizontal planes, subjected to axial forces of very high magnitude and of impulsive nature during shunting operations. With the help of the assumptions used in beam bending theory, the stiffness matrix is developed, with six degrees-of-freedom for each joint. When an axial load of comparable amount is applied at buffers, the stiffness function is no longer a linear function of axial load. The axial force in a member may be either tension or compression, but the latter is usually of greater interest because of the possibility of buckling. The modified stiffness matrix for a general beam element is generated in terms of stiffness method is applied. In the second cycle, the axial forces in members, as obtained from the first cycle, are used to determine the modified stiffness matrix. The second cycle is then completed, using modified stiffness and fixed-end actions, and new values of axial forces are obtained. The processes repeated until two successive analysis yield approximately the same result.
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Published In
Journal of the Engineering Mechanics Division
Volume 103 • Issue 4 • August 1977
Pages: 762 - 766
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Aug 1977
Published online: Feb 3, 2021
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Authors
Affiliations
Suresh S. Kulkarni
Lect. in Applied Mechanics, Visvesvaraya Regional Coll. of Engrg., Nagpur, India
Madhukar M. Basole
Sr. Prof. and Head, Dept. of Applied Mechanics, Visvesvaraya Regional Coll. of Engrg., Nagpur, India
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.