[HTML][HTML] Data-driven identification of stable sparse differential operators using constrained regression

A Prakash, YJ Zhang - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Identifying differential operators from data is essential for the mathematical modeling of
complex physical and biological systems where massive datasets are available. These …

Roadmap on data-centric materials science

S Bauer, P Benner, T Bereau, V Blum… - … and Simulation in …, 2024 - iopscience.iop.org
Science is and always has been based on data, but the terms' data-centric'and the'4th
paradigm'of materials research indicate a radical change in how information is retrieved …

Stability-certified learning of control systems with quadratic nonlinearities

IP Duff, P Goyal, P Benner - IFAC-PapersOnLine, 2024 - Elsevier
This work primarily focuses on an operator inference methodology aimed at constructing low-
dimensional dynamical models based on a priori hypotheses about their structure, often …

[HTML][HTML] Generalized quadratic embeddings for nonlinear dynamics using deep learning

P Goyal, P Benner - Physica D: Nonlinear Phenomena, 2024 - Elsevier
The engineering design process often relies on mathematical modeling that can describe
the underlying dynamic behavior. In this work, we present a data-driven methodology for …

Energy-preserving reduced operator inference for efficient design and control

T Koike, E Qian - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
Many-query computations, in which a computational model for an engineering system must
be evaluated many times, are crucial in design and control. For systems governed by partial …

Data-driven identification of latent port-Hamiltonian systems

J Rettberg, J Kneifl, J Herb, P Buchfink, J Fehr… - ar** Regions for Lossless Quadratic Systems
SC Liao, A Leonid Heide, MS Hemati… - International Journal of …, 2024 - Wiley Online Library
Quadratic systems with lossless quadratic terms arise in many applications, including
models of atmosphere and incompressible fluid flows. Such systems have a trap** region …

[PDF][PDF] Towards Digital Twins for Power-to-X: Comparing Surrogate Models for a Catalytic CO2 Methanation Reactor

Addressing climate change requires a transition to renewable energy sources. An integral
part of this transition is the conversion of carbon dioxide through methanation, facilitated by …

Nonintrusive projection-based reduced order modeling using stable learned differential operators

A Prakash, YJ Zhang - arxiv preprint arxiv:2410.11253, 2024 - arxiv.org
Nonintrusive projection-based reduced order models (ROMs) are essential for dynamics
prediction in multi-query applications where access to the source of the underlying full order …