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Updated: Mar 15, 2026

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Surrogate Model Development for Digital Experiments in Welding
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对一个过程参数驱动的深度学习预测模型的研究,用于在轴接中的多物理场
Chaolong Yang1, Zhiqiang Xu2, Feiting Shi3,4
1College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China.
Materials (Basel, Switzerland)
|March 14, 2026
概括
这项研究开发了机器学习模型,用于预测大型轮轴的接质量. 多层感知器 (MLP) 模型在预测温度,变形和残余应力方面取得了很高的准确性,超过了传统方法.
科学领域:
- 材料科学与工程 材料科学与工程
- 计算力学 计算力学 计算力学
- 人工智能的人工智能
背景情况:
- 大面条轴是高端设备的关键部件,接质量直接影响性能和安全.
- 传统的实验和有限元方法用于预测接的多物理场是耗时和低效的.
研究的目的:
- 开发快速和准确的预测模型,用于接温度,变形和大轴的残余应力.
- 将热机械合有限元模拟与机器学习相结合,以提高预测能力.
主要方法:
- 使用有限元模拟生成了一个由100个过程参数组组成的数据集.
- 构建和比较了包括MLP,RF,RBF-SVR,TabNet,XGBoost和FT-Transformer在内的机器学习模型.
- 采用早期停止和退出等策略来缓解过度装配,用于验证的十倍交叉验证.
主要成果:
- 该MLP模型表现出卓越的性能,准确预测高峰温度 (误差<5%),变形和残余应力 (误差<10%).
- 最低压力模型与模拟值有很好的一致性,平均峰值余应力误差约为6MPa.
- 随机森林 (RF) 模型排名第二,提供了良好的解释性和工程应用性.
结论:
- 开发的MLP模型有效地复制了接的多物理场,允许快速预测和优化大型侧翼轴接.
- 该研究强调了机器学习在预测接质量方面克服传统方法的局限性的潜力.
- 未来的工作可以通过扩展数据集和结合实验验证来增强模型概括性.
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