Physics-Informed Machine Learning in Biomedical Science and Engineering

• URL: http://arxiv.org/abs/2510.05433v1
• Date: Mon, 06 Oct 2025 22:52:39 GMT
• Title: Physics-Informed Machine Learning in Biomedical Science and Engineering
• Authors: Nazanin Ahmadi, Qianying Cao, Jay D. Humphrey, George Em Karniadakis,
• Abstract summary: Physics-informed machine learning (PIML) is emerging as a potentially transformative paradigm for modeling complex biomedical systems.<n>We review three main classes of PIML frameworks: physics-informed neural networks (PINNs), neural ordinary differential equations (NODEs), and neural operators (NOs)
• Score: 3.87707864695882
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Physics-informed machine learning (PIML) is emerging as a potentially transformative paradigm for modeling complex biomedical systems by integrating parameterized physical laws with data-driven methods. Here, we review three main classes of PIML frameworks: physics-informed neural networks (PINNs), neural ordinary differential equations (NODEs), and neural operators (NOs), highlighting their growing role in biomedical science and engineering. We begin with PINNs, which embed governing equations into deep learning models and have been successfully applied to biosolid and biofluid mechanics, mechanobiology, and medical imaging among other areas. We then review NODEs, which offer continuous-time modeling, especially suited to dynamic physiological systems, pharmacokinetics, and cell signaling. Finally, we discuss deep NOs as powerful tools for learning mappings between function spaces, enabling efficient simulations across multiscale and spatially heterogeneous biological domains. Throughout, we emphasize applications where physical interpretability, data scarcity, or system complexity make conventional black-box learning insufficient. We conclude by identifying open challenges and future directions for advancing PIML in biomedical science and engineering, including issues of uncertainty quantification, generalization, and integration of PIML and large language models.

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