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Differentiable physics and PINNs reconstruct wall shear stress

Researchers have developed two inverse frameworks, a differentiable physics approach and physics-informed neural networks (PINNs), to reconstruct wall shear stress (WSS) from passive scalar observations. The study evaluated these methods on canonical and patient-specific cardiovascular flow problems. The differentiable physics framework demonstrated superior accuracy and robustness across various measurement scenarios compared to PINNs, particularly when near-wall data was limited. AI

IMPACT This research could enable more accurate hemodynamic analysis from scalar transport data, potentially improving cardiovascular diagnostics.

RANK_REASON The cluster contains an academic paper detailing a new research methodology.

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Mahmoud Elhadidy, Siva Viknesh, Roshan M. D'Souza, Amirhossein Arzani ·

    Wall Shear Stress Reconstruction from Concentration: Differentiable Physics and Physics-Informed Neural Networks

    arXiv:2606.06313v1 Announce Type: cross Abstract: Wall shear stress (WSS) governs near-wall transport dynamics and is a key hemodynamic indicator in cardiovascular flows, yet remains difficult to infer accurately due to the need for precise computation of near-wall velocity gradi…

  2. arXiv cs.LG TIER_1 English(EN) · Amirhossein Arzani ·

    Wall Shear Stress Reconstruction from Concentration: Differentiable Physics and Physics-Informed Neural Networks

    Wall shear stress (WSS) governs near-wall transport dynamics and is a key hemodynamic indicator in cardiovascular flows, yet remains difficult to infer accurately due to the need for precise computation of near-wall velocity gradients. Passive scalar fields, such as concentration…