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: In this paper, a finite element (FE) model of a large suspension steel bridge for fatigue stress analysis is presented, and the verification of the model is carried out with the help of the measured bridge modal characteristics and the online data measured by the structural health monitoring system installed on the bridge.
45 citations
TL;DR: In this article, the intrinsic dissipation of FV520B stainless steel was investigated based on the theory and the calculation model of intrinsic Dissipation, and the authors demonstrated that the method could rapidly evaluate the high-cycle fatigue behavior with a limited number of test specimens.
45 citations
TL;DR: In this article, a novel fatigue life prediction method of concrete based on the energy dissipation is proposed, which is compared with experimental results, and the proposed prediction method is validated.
45 citations
TL;DR: In this article, the miner-Palmgren hypothesis of accumulated fatigue is used to re-assess the potential error in test severity accounting for the nonstationarity found in road distribution.
Abstract: Many broadband random vibration tests are time compressed. This is done by increasing test intensity according to the Basquin model of cyclic fatigue. Conventionally, the test level is accelerated from the root mean acceleration and an assumed power constant (k = 2) is applied. Using conventional analysis the potential error in test severity can be very large if k is incorrect. The Miner–Palmgren hypothesis of accumulated fatigue is used to re-assess the potential error in test severity accounting for the non-stationarity found in road distribution. This shows a substantially reduced sensitivity to the value of k depending on the distribution of actual vibration intensities around the time-compressed test intensity. Using an example of a leaf-sprung vehicle, the conventional level of time compression is shown to have low sensitivity to errors in k, whereas for an example of an air-ride vehicle a lower level of time compression is needed to reduce error sensitivity. Copyright © 2010 John Wiley & Sons, Ltd.
45 citations
TL;DR: In this paper, the fatigue strength for various laminates of a carbon fiber reinforced thermoplastic material (AS4/APC-2) was investigated experimentally up to 109 cycles and a fatigue design procedure was developed, which allows predicting the fatigue life of a typical structural detail under bending loads.
45 citations