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Deflection and rotation in Timoshenko's beam theory may be defined either in terms of deflection and rotation of centroidal element of cross-section or in terms of average values over cross-section; it is shown that Timoshenko equations may be more accurate if latter definition is adopted; example considered is vibration of simple-supported beam of narrow rectangular cross-section. (03786)
Deflection and rotation in Timoshenko's beam theory may be defined either in terms of deflection and rotation of centroidal element of cross-section or in terms of average values over cross-section; it is shown that Timoshenko equations may be more accurate if latter definition is adopted; example considered is vibration of simple-supported beam of narrow rectangular cross-section. (03786)
On accuracy of Timoshenko's beam theory
ASCE, J Eng Mech Div
Cowper, G.R. (author)
1968
7 pages
Article (Journal)
English
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