期刊
ENGINEERING FRACTURE MECHANICS
卷 218, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2019.106567
关键词
Time series forecasting; Crack propagation; Damage mechanics; Machine learning; Long short-term memory; Multi-layer neural network
类别
资金
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [107.01-2018.32]
- RISE-project [BESTOFRAC(734370)-H2020]
This paper aims a forecasting the crack propagation in risk assessment of engineering structures based on time series algorithms named long short-term memory and mull-layer neural network. The core idea is how to predict precisely the accuracy of solution of crack growth in engineering fracture structures without requiring re-modeling and re-computational attempts. The underlying method only requires a small amount of data from numerical analysis or experimental processes. Based on optimal parameters learned from information of a given dataset, the machine learning methods are used to quickly forecast the crack growth without any analysis tools. In addition, the advanced techniques such as dropout and mini-batch are also utilized to enhance computational performance. The effectiveness and accuracy of the current method are verified by comparing gained results with those from numerical approaches or experimental data.
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