Fatigue Resistance in Engineering Components: A Comprehensive Review on the Role of Geometry and Its Optimization

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dc.contributor.authorTeke, Ibrahim T.
dc.contributor.authorErtas, Ahmet H.
dc.date.accessioned2026-02-08T15:15:53Z
dc.date.available2026-02-08T15:15:53Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractFatigue failure continues to be a significant challenge in designing structural and mechanical components subjected to repeated and complex loading. While earlier studies mainly examined material properties and how stress affects lifespan, this review offers the first comprehensive, multiscale comparison of strategies that optimize geometry to improve fatigue performance. This includes everything from microscopic features like the shape of graphite nodules to large-scale design elements such as fillets, notches, and overall structural layouts. We analyze and combine various methods, including topology and shape optimization, the ability of additive manufacturing to finetune internal geometries, and reliability-based design approaches. A key new contribution is our proposal of a standard way to evaluate geometry-focused fatigue design, allowing for consistent comparison and encouraging validation across different fields. Furthermore, we highlight important areas for future research, such as incorporating manufacturing flaws, using multiscale models, and integrating machine learning techniques. This work is the first to provide a broad geometric viewpoint in fatigue engineering, laying the groundwork for future design methods that are driven by data and centered on reliability.
dc.identifier.doi10.32604/cmes.2025.066644
dc.identifier.endpage237
dc.identifier.issn1526-1492
dc.identifier.issn1526-1506
dc.identifier.issue1
dc.identifier.scopus2-s2.0-105012097354
dc.identifier.scopusqualityQ2
dc.identifier.startpage201
dc.identifier.urihttps://doi.org/10.32604/cmes.2025.066644
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6022
dc.identifier.volume144
dc.identifier.wosWOS:001530990500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTech Science Press
dc.relation.ispartofCmes-Computer Modeling in Engineering & Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectFatigue resistance
dc.subjectgeometry optimization
dc.subjecttopology optimization
dc.subjectmicrostructural geometry
dc.subjectadditive manufacturing
dc.subjectcrack initiation
dc.subjectmultiaxial fatigue
dc.subjectreliability-based design
dc.subjectraster orientation
dc.subjectnotch effect
dc.subjectdefect morphology
dc.subjectfatigue life prediction
dc.titleFatigue Resistance in Engineering Components: A Comprehensive Review on the Role of Geometry and Its Optimization
dc.typeReview Article

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