NeuralODE-Based Latent Trajectories into AutoEncoder Architecture for Surrogate Modelling of Parametrized High-Dimensional Dynamical Systems - Archive ouverte HAL
Proceedings/Recueil Des Communications Année : 2023

NeuralODE-Based Latent Trajectories into AutoEncoder Architecture for Surrogate Modelling of Parametrized High-Dimensional Dynamical Systems

Résumé

Data-driven modelling has recently gained interest in the scientific computing community with the purpose of emulating complex large scale systems. Surrogate modelling based on autoencoders (AEs) is widely employed across several engineering fields to model the time-history response of nonlinear high-dimensional dynamical systems from a set of design parameters. In this direction, this paper introduces an efficient deep learning scheme consisting of a two-steps autoencoding framework in conjunction with Neural Ordinary Differential Equations (NODEs), a novel approach for modelling time-continuous dynamics. The proposition aims at alleviating the drawbacks of similar methodologies employed for the same task, namely Parametrized NODE (PNODE) and the two-steps AE-based surrogate models, to provide a more powerful predictive tool. The effectiveness of the conceived methodology has been assessed by considering the task of emulating the spatiotemporal dynamics described by the 1D viscous Burgers’ equation. The outcomes of our empirical analysis demonstrate that our approach outperforms the alternative state-of-the-art models in terms of predictive capability.
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Dates et versions

hal-04749669 , version 1 (23-10-2024)

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Citer

Michele Lazzara, Max Chevalier, Corentin Lapeyre, Olivier Teste. NeuralODE-Based Latent Trajectories into AutoEncoder Architecture for Surrogate Modelling of Parametrized High-Dimensional Dynamical Systems. ICANN 2023: 32nd International Conference on Artificial Neural Networks, 14259, Springer Nature Switzerland, pp.497-508, 2023, Lecture Notes in Computer Science, ⟨10.1007/978-3-031-44223-0_40⟩. ⟨hal-04749669⟩
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