利用有效应力强度因子和人工神经网络预测单次拉伸过载后裂纹扩展行为

IF 3 2区工程技术 Q2 ENGINEERING, MECHANICAL

International Journal of Pressure Vessels and Piping Pub Date : 2025-03-12 DOI:10.1016/j.ijpvp.2025.105504

Anindito Purnowidodo, Redi Bintarto, M.A. Choiron

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引用次数: 0

摘要

本研究提出了一种人工神经网络（ANN）模型，用于预测变幅载荷下的疲劳裂纹扩展行为，特别是在单一拉伸过载的负应力比和零应力比下。该模型以有效应力强度因子（ΔKeff）为主要输入，根据已知裂纹长度和增量估计裂纹扩展和疲劳寿命。结果表明，该模型可以准确预测ΔKeff和裂纹在不同加载条件下的扩展行为。人工神经网络方法为工程应用中评估疲劳寿命提供了一种实用的工具，即使数据集有限。

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Prediction of crack growth behavior after a single tensile overload using the effective stress intensity factor and artificial neural networks

This study presents an artificial neural networks (ANN) Model for predicting fatigue crack growth behavior under variable amplitude loads, specifically for negative and zero stress ratios with a single tensile overload. Using the effective stress intensity factor (ΔK_eff) as the primary input, the ANN Model estimates crack growth and fatigue life based on known crack length and increments. Results show that the Model provides accurate predictions of ΔK_eff and crack growth behavior across various loading conditions. The ANN approach offers a practical tool for assessing fatigue life in engineering applications, even with limited datasets.

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来源期刊

International Journal of Pressure Vessels and Piping 工程技术-工程：机械

CiteScore

5.30

自引率

13.30%

发文量

208

审稿时长

17 months

期刊介绍： Pressure vessel engineering technology is of importance in many branches of industry. This journal publishes the latest research results and related information on all its associated aspects, with particular emphasis on the structural integrity assessment, maintenance and life extension of pressurised process engineering plants. The anticipated coverage of the International Journal of Pressure Vessels and Piping ranges from simple mass-produced pressure vessels to large custom-built vessels and tanks. Pressure vessels technology is a developing field, and contributions on the following topics will therefore be welcome: • Pressure vessel engineering • Structural integrity assessment • Design methods • Codes and standards • Fabrication and welding • Materials properties requirements • Inspection and quality management • Maintenance and life extension • Ageing and environmental effects • Life management Of particular importance are papers covering aspects of significant practical application which could lead to major improvements in economy, reliability and useful life. While most accepted papers represent the results of original applied research, critical reviews of topical interest by world-leading experts will also appear from time to time. International Journal of Pressure Vessels and Piping is indispensable reading for engineering professionals involved in the energy, petrochemicals, process plant, transport, aerospace and related industries; for manufacturers of pressure vessels and ancillary equipment; and for academics pursuing research in these areas.