Data-driven cardiovascular flow modelling: examples and opportunities

A Arzani, STM Dawson - Journal of the Royal Society …, 2021 - royalsocietypublishing.org
High-fidelity blood flow modelling is crucial for enhancing our understanding of
cardiovascular disease. Despite significant advances in computational and experimental …

Weak SINDy for partial differential equations

DA Messenger, DM Bortz - Journal of Computational Physics, 2021 - Elsevier
Abstract Sparse Identification of Nonlinear Dynamics (SINDy) is a method of system
discovery that has been shown to successfully recover governing dynamical systems from …

Weak SINDy: Galerkin-based data-driven model selection

DA Messenger, DM Bortz - Multiscale Modeling & Simulation, 2021 - SIAM
We present a novel weak formulation and discretization for discovering governing equations
from noisy measurement data. This method of learning differential equations from data fits …

Coupling of peridynamics and inverse finite element method for shape sensing and crack propagation monitoring of plate structures

A Kefal, C Diyaroglu, M Yildiz, E Oterkus - Computer Methods in Applied …, 2022 - Elsevier
A novel structural health monitoring approach is developed by coupling the inverse finite
element method (iFEM) and peridynamic theory (PD) for real-time shape sensing analysis …

Physics-constrained, low-dimensional models for magnetohydrodynamics: First-principles and data-driven approaches

AA Kaptanoglu, KD Morgan, CJ Hansen, SL Brunton - Physical Review E, 2021 - APS
Plasmas are highly nonlinear and multiscale, motivating a hierarchy of models to
understand and describe their behavior. However, there is a scarcity of plasma models of …

Automatically discovering ordinary differential equations from data with sparse regression

K Egan, W Li, R Carvalho - Communications Physics, 2024 - nature.com
Discovering nonlinear differential equations that describe system dynamics from empirical
data is a fundamental challenge in contemporary science. While current methods can …

Derivative-based SINDy (DSINDy): Addressing the challenge of discovering governing equations from noisy data

J Wentz, A Doostan - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Recent advances in the field of data-driven dynamics allow for the discovery of ODE systems
using state measurements. One approach, known as Sparse Identification of Nonlinear …

Modeling and control of nonlinear processes using sparse identification: Using dropout to handle noisy data

F Abdullah, MS Alhajeri… - Industrial & Engineering …, 2022 - ACS Publications
Sparse identification of nonlinear dynamics (SINDy) is a recent nonlinear modeling
technique that has demonstrated superior performance in modeling complex time-series …

Identifying empirical equations of chaotic circuit from data

A Karimov, V Rybin, E Kopets, T Karimov… - Nonlinear …, 2023 - Springer
Chaotic analog circuits are commonly used to demonstrate the physical existence of chaotic
systems and investigate the variety of possible applications. A notable disparity between the …

Inducing multistability in discrete chaotic systems using numerical integration with variable symmetry

VY Ostrovskii, VG Rybin, AI Karimov… - Chaos, Solitons & …, 2022 - Elsevier
Multistability is an inherent property of many nonlinear dynamical systems. However, finding
exact conditions where a certain nonlinear system is multistable, is a complex problem. In …