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English(EN) Polyconvex neural-network surrogates with learned paired directional features for anisotropic hyperelastic homogenization

新的神经网络模型具有学习方向特征的超弹性

研究人员开发了一种新颖的多元凸物理增强神经网络(PANN),称为 PANN,旨在准确高效地模拟代表性体积单元(RVE)的各向异性超弹性响应。这种 PANN 构建利用了学习到的配对方向特征,这些特征会适应 RVE 的特定行为。所得能量固有地满足客观性和多元凸性等力学一致性属性,并且与无约束网络和降阶模型相比,在应力误差和位移误差方面表现出优越的性能,尤其是在训练数据之外。 AI

影响 这项研究为复杂的材料建模引入了一种新颖的神经网络架构,有望改进计算物理学中的模拟。

排序理由 详细介绍新的计算物理模型的学术论文。[lever_c_demoted from research: ic=1 ai=0.7]

在 arXiv cs.LG 阅读 →

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新的神经网络模型具有学习方向特征的超弹性

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详细介绍新的计算物理模型的学术论文。[lever_c_demoted from research: ic=1 ai=0.7]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · S. Ares de Parga, A. Cornejo, J. A. Hern\'andez, R. Rossi ·

    具有学习配对方向特征的凸多面神经网络代理,用于各向异性超弹性均质化

    arXiv:2610.12801v1 Announce Type: cross Abstract: Approximating the effective anisotropic hyperelastic response of a representative volume element (RVE) requires constitutive expressiveness, mechanical consistency, and computational efficiency. This work develops a polyconvex phy…