Development of integrated framework for fatigue life prediction in welded structures

Shiraiwa Takayuki; Briffod Fabien; Enoki Manabu

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Development of integrated framework for fatigue life prediction in welded structures

机译：焊接结构疲劳寿命预测综合框架的开发

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A new fatigue prediction method for wide range of welded structures has been developed by integrating several advanced computational techniques such as thermo-mechanical finite element method, crystal plasticity model and extended finite element method. The method consists of the following procedures: (i) computation of materials properties; (ii) analysis of temperature field, microstructure and residual stress generated during a welding process; (iii) stress distribution analysis under cyclic loading; (iv) fatigue crack initiation analysis by the Tanaka-Mura model; (v) fatigue crack propagation analysis. Using the proposed methodology, the fatigue life of butt joint was evaluated and compared with the experimental data. (C) 2017 Elsevier Ltd. All rights reserved.

机译：通过集成多种先进的计算技术，诸如热机械有限元方法，晶体塑性模型和延长有限元方法，通过集成多种先进的计算技术来开发了一种新的疲劳预测方法。该方法包括以下步骤：（i）材料属性的计算; （ii）在焊接过程中产生温度场，微观结构和残余应力的分析; （iii）循环载荷下的应力分布分析; （iv）Tanaka-Mura模型的疲劳裂纹启动分析; （v）疲劳裂纹传播分析。使用所提出的方法，评估对接关节的疲劳寿命并与实验数据进行比较。（c）2017 Elsevier Ltd.保留所有权利。

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来源
《Engineering Fracture Mechanics》 |2018年第2018期|共13页
作者
Shiraiwa Takayuki; Briffod Fabien; Enoki Manabu;
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作者单位

Univ Tokyo Sch Engn Dept Mat Engn Tokyo 1138656 Japan;

Univ Tokyo Sch Engn Dept Mat Engn Tokyo 1138656 Japan;

Univ Tokyo Sch Engn Dept Mat Engn Tokyo 1138656 Japan;

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原文格式 PDF
正文语种 eng
中图分类工程力学;
关键词
Steels; High cycle fatigue; Welded or bonded joints; Crystal plasticity; Materials integration;

机译：钢;高循环疲劳;焊接或粘合的关节;晶体塑性;材料集成;

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1. Development of integrated framework for fatigue life prediction in welded structures [J] . Shiraiwa Takayuki, Briffod Fabien, Enoki Manabu Engineering Fracture Mechanics . 2018,第期

机译：焊接结构疲劳寿命预测综合框架的开发
2. Development of integrated framework for fatigue life prediction in welded structures [J] . Shiraiwa Takayuki, Briffod Fabien, Enoki Manabu Engineering Fracture Mechanics . 2018,第期

机译：焊接结构疲劳寿命预测综合框架的开发
3. A Numerical framework for fatigue lifetime prediction of complex welded structures [J] . Kris Hectors, Wim De Waele, Mia Loccufier, Frattura e Integrita Strutturale . 2020,第51期

机译：复杂焊接结构疲劳寿命预测的数值框架
4. DEVELOPMENT OF A FATIGUE LIFE ASSESSMENT AND PREDICTION FRAMEWORK FOR A BIMETALLIC-WELDED THICK-WALL COMPONENT OF A STEAM TURBINE [C] . M.-H. Herman Shen, Sajedur Akanda, Xia Liu, ASME turbo expo: turbine technical conference and exposition . 2016

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5. Structural integrity and fatigue crack propagation life assessment of welded and weld-repaired structures. [D] . Alam, Mohammad Shah. 2005

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8. Novel Probabilistic Multi-Scale Modeling and Sensing Framework for Fatigue Life Prediction of Aerospace Structures and Materials: DCT Project. [R] . Ghosh, S., Rokhlin, S. I., Millwater, H. 2012

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Development of integrated framework for fatigue life prediction in welded structures

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