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Title: Dynamic response of elasto-plastic planar arches
Authors: Lee, S.L. 
Swaddiwudhipong, S. 
Alwis, W.A.M. 
Keywords: Arches
Dynamic response
Plastic hinge
Yield surface
Issue Date: Jan-1996
Citation: Lee, S.L.,Swaddiwudhipong, S.,Alwis, W.A.M. (1996-01). Dynamic response of elasto-plastic planar arches. Structural Engineering and Mechanics 4 (1) : 9-23. ScholarBank@NUS Repository.
Abstract: The behaviour of elasto-plastic planar arches subjected to dynamic loads in presented. The governing equations are formulated through the dynamic equations and compatibility conditions The latter is established by applying the generalized conjugate segment analogy. Bending moments at the nodes and axial forces in the members are considered as primary variables in the elastic regime. They are supplemented by the rotations at the nodes and dislocations in the elements when plastic hinges occur. Newmark-β method is adopted in the time marching process. The interaction diagram of each element is treated as the yield surface for the element and the associated flow rule is enforced as plastic flow occurs. The method provides good prediction of dynamic response of elasto-plastic arches while requiring small core storage and short computer time.
Source Title: Structural Engineering and Mechanics
ISSN: 12254568
Appears in Collections:Staff Publications

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