A Step-by-Step Coding Tutorial on NVIDIA PhysicsNeMo: Darcy Flow, FNOs, PINNs, Surrogate Models, and Inference Benchmarking
NVIDIA's PhysicsNeMo just got a practical playbook. Here's how to build physics-informed ML models in under an hour.

Why it matters
PhysicsNeMo is a production-ready framework for physics-informed neural networks and surrogate modeling. This tutorial-driven coverage signals NVIDIA's push to make specialized AI tools accessible to practitioners, expanding TAM beyond pure language/vision models into domain-specific scientific computing.
The key facts
11 to knowNVIDIA PhysicsNeMo framework
Supports FNOs (Fourier Neural Operators), PINNs (Physics-Informed Neural Networks), and surrogate models
Darcy Flow use case (2D fluid dynamics)
Inference benchmarking included
Colab-based implementation (accessibility play)
Published Apr 13, 2026
NVIDIA PhysicsNeMo framework now available on Google Colab
Supports Fourier Neural Operators (FNOs) and Physics-Informed Neural Networks (PINNs)
Includes surrogate model training and inference benchmarking workflows
Targets 2D Darcy Flow problem (fluid dynamics simulation)
Tutorial demonstrates end-to-end implementation from data generation to inference
Go to the source
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Publisher excerpt: In this tutorial, we implement NVIDIA PhysicsNeMo on Colab and build a practical workflow for physics-informed machine learning. We start by setting up the environment, generating data for the 2D Darcy Flow problem, and visualizing the physical fields to clearly understand the learning task. From…
