Overlay models for structural analysis under cyclic loading

The behaviour of structural elements subjected to cyclic loading conditions is described by overlay models and simulated using standard finite element programs. The material model is established by parallel connection of several finite elements, each describing elasto-plastic material behaviour with...

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Bibliographic Details
Published in:Computers & structures 1995-07, Vol.56 (2), p.321-328
Main Author: Schiffner, K.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fracture mechanics, fatigue and cracks
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
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Description
Summary:The behaviour of structural elements subjected to cyclic loading conditions is described by overlay models and simulated using standard finite element programs. The material model is established by parallel connection of several finite elements, each describing elasto-plastic material behaviour with kinematic or isotropic hardening and sharing the same geometrical position. The death or birth option, respectively, is used to simulate the yielding condition with a higher and lower yielding stress. A method estimating the material parameters is discussed. Results found by using ADINA 6.0 for the analysis of a cylindrical structural element under cyclic axial tension are presented. The effect of locally varying material parameters is discussed.
ISSN:0045-7949
1879-2243
DOI:10.1016/0045-7949(95)00025-C