Results 1 to 10 of about 1,789,797 (147)

Enhancing high-fidelity nonlinear solver with reduced order model [PDF]

open access: yesScientific Reports, 2022
We propose the use of reduced order modeling (ROM) to reduce the computational cost and improve the convergence rate of nonlinear solvers of full order models (FOM) for solving partial differential equations.
Teeratorn Kadeethum   +12 more
doaj   +2 more sources

Towards a reduced order model of the periodontal ligament [PDF]

open access: yesScientific Reports
Based on previous in vitro experiments with specimens of porcine mandibular premolars, the simulation of the periodontal ligament response to force in the initial phase of orthodontic tooth movement is described.
Albert Heinrich Kaiser   +1 more
doaj   +2 more sources

REDUCED-ORDER MODELLING OF PARAMETERIZED TRANSIENT FLOWS IN CLOSED-LOOP SYSTEMS [PDF]

open access: yesEPJ Web of Conferences, 2021
In this paper, two Galerkin projection based reduced basis approaches are investigated for the reduced-order modeling of parameterized incompressible Navier-Stokes equations for laminar transient flows. The first approach solves only the reduced momentum
German Péter   +3 more
doaj   +1 more source

Multivariable robust adaptive controller using reduced-order model [PDF]

open access: yesModeling, Identification and Control, 1990
A general method is developed for predicting the deviation between local and rigorous thermodynamic property models. The method is based on a quadratic error structure. The curvature matrix is updated after each parameter revision.
Magne Hillestad   +4 more
doaj   +3 more sources

Reduced order modeling and model order reduction for continuum manipulators: an overview

open access: yesFrontiers in Robotics and AI, 2023
Soft robot’s natural dynamics calls for the development of tailored modeling techniques for control. However, the high-dimensional configuration space of the geometrically exact modeling approaches for soft robots, i.e., Cosserat rod and Finite Element ...
S.M.H. Sadati   +4 more
doaj   +1 more source

Reduced-order modelling numerical homogenization [PDF]

open access: yesPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2014
A general framework to combine numerical homogenization and reduced-order modelling techniques for partial differential equations (PDEs) with multiple scales is described. Numerical homogenization methods are usually efficient to approximate the effective solution of PDEs with multiple scales.
Abdulle Assyr, Bai Yun
openaire   +2 more sources

Improved Reduced-Order Model for PLL Instability Investigations

open access: yesIEEE Access, 2023
There is a rapid increase in the installed capacity of offshore wind power plants (WPPs) worldwide, and this trend will continue in the context of the recent EU energy crisis and the Ukraine war.
Mohammad Kazem Bakhshizadeh   +3 more
doaj   +1 more source

A data-driven reduced-order model for rotor optimization [PDF]

open access: yesWind Energy Science, 2023
For rotor design applications, such as wind turbine rotors or urban air mobility (UAM) rotorcraft and flying-car design, there is a significant challenge in quickly and accurately modeling rotors operating in complex, turbulent flow fields. One potential
N. Peters   +3 more
doaj   +1 more source

Wall‐based reduced‐order modelling [PDF]

open access: yesInternational Journal for Numerical Methods in Fluids, 2015
SummaryIn this work, we propose a novel approach to model order reduction for incompressible fluid flows, which focuses on the spatio‐temporal description of the stresses on the surface of a body, that is, of the wall shear stress and of the wall pressure.
Lasagna, Davide, Tutty, Owen
openaire   +3 more sources

Linear Reduced-Order Model Predictive Control

open access: yesIEEE Transactions on Automatic Control, 2022
Model predictive controllers use dynamics models to solve constrained optimal control problems. However, computational requirements for real-time control have limited their use to systems with low-dimensional models. Nevertheless, high-dimensional models arise in many settings, for example discretization methods for generating finite-dimensional ...
Joseph Lorenzetti   +3 more
openaire   +3 more sources

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