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Initially, a parameter  correlating with the ratio of mean stress to tensile strength is defined. This parameter is subsequently introduced into the SWT model. Additionally, to determine the Walker index, the 1\/2 ratio of the yield strength to the tensile strength of the material is established as the boundary condition. Ultimately, the modified SWT model is formulated. To verify the accuracy of the proposed model, fatigue life tests are conducted on three different materials, and the results are compared with those obtained from the original SWT model and the Lv model. The findings indicate that the modified SWT model demonstrates higher prediction accuracy, with all predicted values falling within a \u00b1 50% error band. In contrast, both the SWT model and the Lv model exhibit 31.25% of their predicted values outside the \u00b1 50% error band.<\/jats:p>","DOI":"10.1002\/qre.70010","type":"journal-article","created":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T13:48:16Z","timestamp":1750427296000},"page":"2830-2837","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Low\u2010Cycle Fatigue Life Prediction Method Considering the Effect of Mean Stress on Tensile Strength"],"prefix":"10.1002","volume":"41","author":[{"given":"Huiying","family":"Gao","sequence":"first","affiliation":[{"name":"College of Aviation Engineering Civil Aviation Flight University of China  Guanghan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shilong","family":"Song","sequence":"additional","affiliation":[{"name":"Civil Aviation Flight University of China Luoyang Flight College  Luoyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao\u2010Qiang","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Aviation Engineering Civil Aviation Flight University of China  Guanghan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoqiang","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Aviation Electronic and Electrical Civil Aviation Flight University of China  Guanghan China"},{"name":"School of Electronics and Information Engineering Beihang University  Beijing China"},{"name":"Sichuan Province Engineering Technology Research Center of General Aircraft Maintenance Civil Aviation Flight University of China  Guanghan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chengbo","family":"Liao","sequence":"additional","affiliation":[{"name":"College of Aviation Engineering Civil Aviation Flight University of China  Guanghan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Deqiang","family":"Tan","sequence":"additional","affiliation":[{"name":"College of Aviation Engineering Civil Aviation Flight University of China  Guanghan China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,6,20]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.oceaneng.2024.117023"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2024.107340"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijnaoe.2021.11.006"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jnlssr.2022.02.001"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2024.102483"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apor.2023.103717"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.marstruc.2020.102892"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijpvp.2024.105216"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1460-2695.2011.01577.x"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijfatigue.2021.106393"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.3390\/ma15103481"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijfatigue.2017.03.042"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cja.2019.09.012"},{"key":"e_1_2_7_15_1","first-page":"1272","article-title":"Study of LCF Behaviour and Life Estimation Based on Modified SWT Model and Enhanced Strain Energy Density of Ti\u20136Al\u20134V ELI.IOP","volume":"1","author":"Ikhar T. 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