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Title: Analytical bending solutions of elastica with one end held while the other end portion slides on a friction support
Authors: He, X.Q.
Wang, C.M. 
Lam, K.Y. 
Keywords: Beam bending
Elliptic integral solution
Frictional support
Variable arc-length
Issue Date: Nov-1997
Citation: He, X.Q.,Wang, C.M.,Lam, K.Y. (1997-11). Analytical bending solutions of elastica with one end held while the other end portion slides on a friction support. Archive of Applied Mechanics 67 (8) : 543-554. ScholarBank@NUS Repository.
Abstract: Treated herein is an elastica under a point load. One end of the elastica is fully restrained against translation, and elastically restrained against rotation, while the other end portion is allowed to slide over a friction support. The considered elastica problem belongs to the class of large-deflection beam problems with variable deformed arc-lengths between the supports. To solve the governing nonlinear differential equation together with the boundary conditions, the elliptic integral method has been used. The method yields closed-form solutions that are expressed in a set of transcendental equations in terms of elliptic integrals. Using an iterative scheme, pertinent bending results are computed for different values of coefficient of friction, elastic rotational spring constant and loading position, so that their effects may be examined. Also, these accurate solutions provide useful reference sources for checking the convergence, accuracy and validity of results obtained from numerical methods and software for large deflection beam analysis. It is interesting to note that this class of elastica problem may have two equilibrium states; a stable one and an unstable one.
Source Title: Archive of Applied Mechanics
ISSN: 09391533
Appears in Collections:Staff Publications

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