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The Effect of the Finite Element Mesh Size on Fretting Fatigue Life Predictions

  • 2025
  • OriginalPaper
  • Chapter
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Abstract

This chapter delves into the intricate world of fretting fatigue, a phenomenon where cyclic loads cause fatigue damage in contacting bodies with relative displacement. The study focuses on the impact of finite element mesh size on predicting fretting fatigue life using linear elastic fracture mechanics (LEFM) and the ABAQUS software. The research begins by establishing a reference mesh size that ensures convergence with analytical solutions, then explores how increasing the mesh size affects stress distribution and fatigue life predictions. The investigation covers various mesh sizes, stress ratios, and initial crack lengths, providing a detailed analysis of their effects on fatigue life. The results highlight that while increasing mesh size slightly increases the predicted number of cycles, a significant reduction in initial crack length substantially boosts the predicted fatigue life. This study offers valuable insights into optimizing mesh size for LEFM calculations, reducing computational costs, and enhancing the accuracy of fatigue life predictions in complex geometries.

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Title
The Effect of the Finite Element Mesh Size on Fretting Fatigue Life Predictions
Authors
Eduardo Fontes do Rêgo
Antonio Carlos de Oliveira Miranda
Scott Walbridge
Copyright Year
2025
DOI
https://doi.org/10.1007/978-3-032-01078-0_8
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