Spotlight: HP 3D Printing Open Sources AI Surrogates for Additive Manufacturing Using NVIDIA PhysicsNeMo

An open ecosystem for physics-informed machine learning (physics-ML) fosters innovation and AI engineering applications. Physics-ML embeds into the learning…

Rachel (Lei) Chen
6 min readintermediate
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Overview

The article discusses HP 3D Printing's collaboration with NVIDIA to open-source AI surrogates for additive manufacturing using the NVIDIA PhysicsNeMo framework. It highlights the development of physics-informed machine learning (physics-ML) models that enhance the efficiency and generalizability of manufacturing processes, particularly in the context of digital twins.

What You'll Learn

1

How to utilize NVIDIA PhysicsNeMo for developing physics-informed machine learning models

2

Why physics-ML can significantly speed up manufacturing simulations

3

When to apply AI surrogate models in the design and manufacturing process

Prerequisites & Requirements

  • Understanding of additive manufacturing and digital twin concepts
  • Familiarity with Python programming(optional)

Key Questions Answered

How does HP's Digital Twin technology improve manufacturing outcomes?
HP's Digital Twin technology uses physics-ML models to predict and optimize design and process parameters, thereby improving part quality and manufacturing yield. This technology allows for near real-time predictions, enabling faster iterations and better decision-making in the manufacturing process.
What is the role of NVIDIA PhysicsNeMo in additive manufacturing?
NVIDIA PhysicsNeMo serves as an open-source framework that facilitates the development and training of physics-informed machine learning models. It provides a simple Python interface and reference applications, making it easier for domain experts to apply physics-ML to real-world manufacturing challenges.
What are the benefits of using AI surrogate models in manufacturing?
AI surrogate models like Virtual Foundry Graphnet enable high-fidelity emulation of manufacturing processes, achieving orders-of-magnitude speedups in simulation times. This allows engineers to conduct more design iterations quickly, optimizing both function and yield, which is crucial for reducing time to market.
What challenges does traditional physics simulation present in manufacturing?
Traditional high-fidelity physics simulations are computationally intensive, often taking hours to days for a single design iteration. This limits design exploration and slows down the product development cycle, creating bottlenecks in new product introductions.

Key Statistics & Figures

Speedup in simulation time
Orders-of-magnitude
This speedup is achieved through the use of physics-ML models, enabling near real-time predictions in the manufacturing process.
Maximum nodal error in predictions
2%
This accuracy is demonstrated in a 63 mm testing part, showcasing the effectiveness of the physics-ML models in predicting sintering deformation.
Average difference between physics-ML prediction and physics simulation
0.3 mm
This statistic highlights the precision of the AI surrogate models in emulating the manufacturing process.

Technologies & Tools

Framework
Nvidia Physicsnemo
An open-source framework for building and training physics-informed machine learning models.

Key Actionable Insights

1
Leverage physics-informed machine learning to enhance simulation workflows in manufacturing.
By adopting physics-ML models, engineers can achieve faster design iterations and improve the accuracy of simulations, which is essential for optimizing manufacturing processes.
2
Utilize the NVIDIA PhysicsNeMo framework to contribute to open-source projects.
Engaging with the open-source community through PhysicsNeMo can accelerate innovation and collaboration, providing access to cutting-edge tools and resources.
3
Implement AI surrogate models to predict manufacturing outcomes in near real-time.
This approach allows for immediate feedback on design manufacturability, significantly reducing the time required for product development and enhancing overall efficiency.

Common Pitfalls

1
Relying solely on traditional high-fidelity physics simulations can lead to inefficiencies in the design process.
These simulations are often too slow for rapid design iterations, which can create significant delays in product development. Adopting physics-ML can help overcome this bottleneck.

Related Concepts

Physics-informed Machine Learning
Digital Twins In Manufacturing
Additive Manufacturing Technologies