Topic
Vibration fatigue
About: Vibration fatigue is a research topic. Over the lifetime, 3460 publications have been published within this topic receiving 46297 citations.
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TL;DR: A unified fatigue failure criterion using micromechanics related to the fracture plane has been developed to predict fatigue lives of unidirectional fiber reinforced polymer composites subjected to cyclic off-axis tension-tension loading.
Abstract: A unified fatigue failure criterion using micromechanics related to the fracture plane has been developed to predict fatigue lives of unidirectional fibre reinforced polymer composites subjected to cyclic off-axis tension–tension loading. Since the failure criterion incorporates both stresses and strains it may be characterized as energy based. Accounting for the fibre load angle as well as the stress ratio is the novelty of this fatigue failure criterion. The criterion only requires the stress ratio to be known from the experimental procedure. The relation between the applied load and the micro-stress and micro-strain field can be determined from a numerical method. The fatigue failure criterion has been verified by applying it to different sets of experimental data. Several fibre load angles, different fibre/matrix combinations as well as stress ratios are covered. The predicted fatigue lives are in good agreement with the experimental results for both different fibre load angles and stress ratios.
59 citations
TL;DR: In this paper, the effect of loading frequency on the low cycle fatigue behavior of plain concrete in direct tension was investigated, and a new damage model was proposed based on the stiffness degradation and the secondary strain rate during low-cycle fatigue tests.
59 citations
TL;DR: In this article, a new computationally efficient frequency domain formulation of the critical plane-based Carpinteri-Spagnoli (C-S) criterion is proposed to evaluate the fatigue lives of smooth metallic structures subjected to multiaxial random loading.
58 citations
TL;DR: A general methodology for fatigue reliability degradation of railroad wheels is proposed in this paper and both fatigue crack initiation and crack propagation life are included in the proposed methodology using previously developed multiaxial fatigue models by the same authors.
58 citations
TL;DR: In this article, a new approach based on modal decomposition is presented that directly links the fatigue-damage intensity with the dynamic properties of the system and thus offers a valuable insight into how different modes of vibration contribute to the total damage to the material.
58 citations