Physics-constrained coupled neural differential equations for one dimensional blood flow modeling

H Csala, A Mohan, D Livescu, A Arzani - Computers in Biology and …, 2025 - Elsevier
Background: Computational cardiovascular flow modeling plays a crucial role in
understanding blood flow dynamics. While 3D models provide acute details, they are …

Data-driven prediction of large-scale spatiotemporal chaos with distributed low-dimensional models

CR Constante-Amores, AJ Linot… - arXiv preprint arXiv …, 2024 - arxiv.org
Complex chaotic dynamics, seen in natural and industrial systems like turbulent flows and
weather patterns, often span vast spatial domains with interactions across scales. Accurately …

Improved deep learning of chaotic dynamical systems with multistep penalty losses

D Chakraborty, SW Chung, A Chattopadhyay… - arXiv preprint arXiv …, 2024 - arxiv.org
Predicting the long-term behavior of chaotic systems remains a formidable challenge due to
their extreme sensitivity to initial conditions and the inherent limitations of traditional data …

Invariant Measures in Time-Delay Coordinates for Unique Dynamical System Identification

J Botvinick-Greenhouse, R Martin, Y Yang - arXiv preprint arXiv …, 2024 - arxiv.org
Invariant measures are widely used to compare chaotic dynamical systems, as they offer
robustness to noisy data, uncertain initial conditions, and irregular sampling. However, large …

[PDF][PDF] Differentiable Turbulence: Closure as a PDE-constrained optimization

D Chakraborty, V Shankar, V Viswanathan, R Maulik - casml.cc
Deep learning is emerging as a powerful tool for enhancing sub-grid scale (SGS) turbulence
models used in large eddy simulations (LES). By employing a differentiable turbulence …