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Publications (3/3 displayed)
- 2017FE simulation of S-N curves for a riveted connection using two-stage fatigue models
- 2017Combined analytical-numerical methodologies for the evaluation of mixed-mode (I plus II) fatigue crack growth rates in structural steelscitations
- 2015An efficient methodology for fatigue damage assessment of bridge details using modal superposition of stress intensity factorscitations
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article
An efficient methodology for fatigue damage assessment of bridge details using modal superposition of stress intensity factors
Abstract
The objective of this paper is to propose an accurate and computationally efficient method for the fatigue assessment of bridge details, using Fracture Mechanics and crack propagation laws. The proposed work-flow benefits from the combination of finite element submodeling techniques and modal superposition method with the new concept of modal stress intensity factors. The new methodology was applied to the fatigue analysis of a complex bridge under real traffic conditions. The simulation of fatigue crack propagation in a critical detail of the structure was achieved with minimal computer resources and within a short time frame.