PINNs for Blood Flow Simulation|| ZENN for Heterogeneous Data-Driven Modeling || March 20, 2026

PINNs for Blood Flow Simulation|| ZENN for Heterogeneous Data-Driven Modeling || March 20, 2026

🎙 CRUNCH Group: Home of Math + Machine Learning + X 👥 4K 📅 March 20, 2026 ⏱ 139 min 👁 231 📄 seminar 🧭 2026-08-15
Available in: English (current) Français

Keywords

PINNNavier-StokesArbitrary Lagrangian-EulerianZENNzentropy

Summary

This seminar, hosted by the CRUNCH Group, features two research talks. The first talk, by Han Zhang from City University of Hong Kong, presents a physics-informed neural network (PINN) framework for blood flow simulation, addressing both forward and inverse problems. The forward problem involves solving the incompressible Navier-Stokes equations in an Arbitrary Lagrangian-Eulerian (ALE) formulation coupled with a linear elastic vessel wall model, enabling simulation in deformable vascular geometries without traditional meshing. The inverse problem reconstructs blood flow from noisy measurements by optimizing both the velocity field and the flow domain via quasi-conformal deformation. The second talk, by Prof. Wenrui Hao, Prof. Zi-Kui Liu, and Prof. Zhenlong Li from Pennsylvania State University, introduces ZENN, a thermodynamics-inspired computational framework for heterogeneous data-driven modeling. ZENN extends zentropy theory to machine learning by simultaneously learning energy and entropy components, incorporating a learnable temperature parameter to model multisource heterogeneity. The framework is demonstrated on image and text classification benchmarks (CIFAR-10/100, BBC News) and in materials science, reconstructing the Helmholtz energy landscape of Fe3Pt from DFT data. Emerging applications in geospatial science are also discussed.

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Critical Evaluation

Value of the Information & Strength of the Argument

The seminar provides substantial value by presenting two novel computational frameworks with clear theoretical foundations and practical applications. The first talk offers a detailed methodology for using PINNs in complex fluid dynamics, addressing both forward and inverse problems with innovative approaches like ALE formulation and quasi-conformal mapping. The argumentation is solid, supported by quantitative results comparing with finite element methods and ablation studies. The second talk introduces ZENN, a conceptually rich framework that bridges thermodynamics and machine learning, with demonstrations across diverse domains. The argumentation is well-structured, explaining the theoretical basis and showing empirical evidence. Both talks are technically rigorous and contribute original ideas to their respective fields.

Scientific Rigor, Source Quality, Title Accuracy

The seminar demonstrates high scientific rigor, with both talks presenting mathematically detailed formulations and experimental validations. The sources cited are primarily the speakers’ own research, which is appropriate for a seminar format. The title accurately reflects the content, which is a dual presentation. The adequacy between title and content is excellent. No external sources are explicitly cited in the video description, but the talks reference prior work such as Phoenix and SimVascular, which are well-known in the field. The absence of external citations is typical for seminar presentations and does not detract from the overall quality.

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Title / Content Match

The title accurately reflects the content, which consists of two distinct talks on PINNs for blood flow and ZENN for heterogeneous data-driven modeling.

Quality & Reliability

8/10

The seminar presents two research talks with detailed technical content, including mathematical formulations and experimental results. The speakers are from reputable institutions (City University of Hong Kong, Pennsylvania State University). The content is peer-reviewed research presented in a seminar format, indicating high reliability. However, the video has low viewership and no external verification, so a slight deduction is applied.

Key Moments

Cited Sources

  • Phoenix — Mentioned as a related work for solving Navier-Stokes equations with finite element methods.
  • SimVascular — Mentioned as an open-source software for blood flow simulation.

Concurring Sources

Contribution & Novelties

The seminar presents two novel contributions: (1) a unified PINN framework for blood flow simulation handling both forward and inverse problems with deformable vessels, and (2) ZENN, a thermodynamics-inspired framework for heterogeneous data-driven modeling. The first talk introduces a mesh-free approach using ALE formulation and quasi-conformal mapping for geometry inference, which is a significant advancement over traditional mesh-based methods. The second talk extends zentropy theory to machine learning, providing a principled way to handle heterogeneous data sources.

Pour aller plus loin :

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Radar Profile

The radar profile shows high scores in quantity of information, technical level, and reliability, with slightly lower quality of information. This indicates a technically dense seminar with substantial content, but the quality might be affected by the presentation style or lack of visual aids.

Reliability 8/10

💬 No comments were provided for analysis.