Advancements in Reduced-Order Modeling and Dimensionality Reduction

The field of reduced-order modeling and dimensionality reduction is moving towards the development of more accurate and efficient methods for handling high-dimensional nonlinear systems. Researchers are exploring new approaches to preserve the nonlinear geometric structure and minimize long-term prediction errors. A key direction is the use of data-driven techniques, such as parametric Operator Inference and machine learning-based methods, to learn low-dimensional representations of complex systems. These methods have shown promising results in various applications, including fluid mechanics, robotics, and semiconductor manufacturing. Another area of focus is the development of novel dimensionality reduction techniques, such as Adaptive Locally Linear Embedding, which can capture intricate relationships in high-dimensional datasets. Noteworthy papers include:

  • A paper on Taming High-Dimensional Dynamics, which proposes a computationally tractable procedure to approximate optimal projections onto spectral submanifolds.
  • A paper on Adaptive Locally Linear Embedding, which introduces a dynamic, data-driven metric to enhance topological preservation in manifold learning.
  • A paper on Parametric Operator Inference, which applies the OpInf framework to simulate the purging process in semiconductor manufacturing, achieving a 142-fold speedup in online computations.

Sources

Taming High-Dimensional Dynamics: Learning Optimal Projections onto Spectral Submanifolds

Parametric Operator Inference to Simulate the Purging Process in Semiconductor Manufacturing

A Convex and Global Solution for the P$n$P Problem in 2D Forward-Looking Sonar

Adaptive Locally Linear Embedding

Machine Learning (ML) based Reduced Order Modeling (ROM) for linear and non-linear solid and structural mechanics

Built with on top of