Events2Join

A nonlinear data|driven reduced order model for computational ...


A nonlinear data-driven reduced order model for computational ...

We develop a novel sampling strategy based on the physics/pattern-guided data distribution. Our adaptive sampling strategy relies on enrichment of sub- ...

A nonlinear data-driven reduced order model for computational ...

Request PDF | A nonlinear data-driven reduced order model for computational homogenization with physics/pattern-guided sampling | Developing an accurate ...

A nonlinear data-driven reduced order model for computational ...

Developing an accurate nonlinear reduced order model from simulation data has been an outstanding research topic for many years.

A nonlinear data-driven reduced order model for computational ...

OSTI.GOV Journal Article: A nonlinear data-driven reduced order model for computational homogenization with physics/pattern-guided sampling ...

A Data-Driven, Non-Linear, Parameterized Reduced Order Model of ...

Each simulation modeled the deposition of a single track of titanium alloy Ti-6Al-4V (Ti64) at a rate of 5 g/min over a length of 2.5mm. The computational mesh ...

Nonlinear Reduced-Order Modeling from Data by Prof. George Haller.

... data-driven reduced-order modeling of nonlinear phenomena. Specifically, spectral submanifolds (SSMs) represent very low-dimensional ...

Data-driven reduced-order modeling for nonlinear aerodynamics ...

The design of commercial air transportation vehicles heavily relies on understanding and modeling fluid flows, which pose computational ...

What is nonlinear model reduction - oden.utexas.edu

This paper presents a physics-based data-driven method to learn predictive reduced-order models (ROMs) from high-fidelity simulations, and illustrates it in the ...

Learning Nonlinear Reduced Models from Data with Operator ...

On filtering in non-intrusive data-driven reduced-order modeling. ... Reduced Order Methods for Modeling and Computational Reduction Berlin ...

Enhancing high-fidelity nonlinear solver with reduced order model

We propose the use of reduced order modeling (ROM) to reduce the computational ... Since our ROMs are data-driven and non-intrusive, the proposed ...

Reduced Order Modeling - MATLAB & Simulink - MathWorks

Reduce computational complexity of models by creating accurate surrogates. Data-Driven Methods. Nonlinear ARX Model of SI Engine Torque Dynamics This example ...

What is data-driven model reduction - Karen E. Willcox

and Willcox, K., Online Adaptive Model Reduction for Nonlinear Systems via Low-Rank Updates, SIAM Journal on Scientific Computing , Vol. 37, No. 4, pp. A2123- ...

Data-driven nonlinear reduced-order modeling of unsteady fluid ...

The emphasis for the fluid part is to achieve a dramatic reduction in the computational cost of predicting the time-dependent fluid flow through ...

(PDF) Data-driven reduced-order modeling for nonlinear ...

The design of commercial air transportation vehicles heavily relies on understanding and modelling fluid flows, which pose computational ...

Model Order Reduction and Data-Driven Computational Modeling ...

Nevertheless, MOR has proven to be significantly more difficult for parameterized mechanics systems that exhibit a wide variety of parameter-dependent nonlinear ...

Extending the Capabilities of Data-Driven Reduced-Order Models to ...

We present a data-driven or non-intrusive reduced-order model (NIROM) which is capable of making predictions for a significantly larger domain than the one ...

Fast data-driven model reduction for nonlinear dynamical systems

While the recently proposed reduced-order modeling method SSMLearn uses implicit optimization to fit a spectral submanifold to data and reduce ...

‎Data-driven Reduced Order Modeling and Model Updating of ...

... nonlinear structures, providing accurate dynamic simulations with dramatically reduced computational cost. However, the ROM methods pose some critical ...

7 Data-driven methods for reduced-order modeling - De Gruyter

... low-dimensional embeddings for nonlinear partial differential equations (PDEs) while limiting computational costs. Indeed, a good choice of observables ...

Data Driven Reduced Order Nonlinear Multiparametric MPC for ...

Multiparametric model predictive control (mp-MPC) obtains an off-line feedback control law using parametric programming. Control of distributed parameter ...