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Reduced-order models

PEBL-ROM: Projection-error based local reduced-order models

PEBL-ROM: Projection-error based local reduced-order models

... Projection-based model-order reduction (MOR) is an indispensable tool for accelerat- ing large-scale computational procedures and enabling their solutions in real-time. This class of approaches proceeds by ...

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Evaluation of seismic reduced-order models for auxiliary buildings

Evaluation of seismic reduced-order models for auxiliary buildings

... Seismic probabilistic risk assessment (SPRA) aims to evaluate the risk of a nuclear power plants (NPP) through various failure scenarios initiated by seismic events. One structure that is of particular importance for ...

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Evaluation of System Parameters on Electrical Machine Bearings through Reduced order models

Evaluation of System Parameters on Electrical Machine Bearings through Reduced order models

... This paper reviewed the cause for recently reported bearing failures and examined the important system parameters and their relationship to EDM and dv/dt bearing current.Models and formulas were presented for the major ...

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Vortex-induced vibration of circular cylinder with two degrees of freedom : CFD vs. reduced-order models

Vortex-induced vibration of circular cylinder with two degrees of freedom : CFD vs. reduced-order models

... the reduced flow velocity parameter is varied by changing the cross-flow natural ...new reduced-order models with four nonlinearly coupled wake- structure oscillators (Srinil and Zanganeh, ...

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On some reduced order models for packed separation processes

On some reduced order models for packed separation processes

... steady-state reduced-order models for separation processes in packed columns are developed and compared in this ...The models are based on the two film theory of mass transfer and the more ...

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General treatment of essential boundary conditions in reduced order models for non-linear problems

General treatment of essential boundary conditions in reduced order models for non-linear problems

... of Reduced Order Models, which can be implemented by adopting either the Proper Orthogonal Decomposition (POD) method [2, 3], or the proper generalised decomposition (PGD) technique [4, ...Hyper ...

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Reduced Order Models for Thermal Radiative Transfer Problems based on Low-Order Transport Equations and the Proper Orthogonal Decomposition.

Reduced Order Models for Thermal Radiative Transfer Problems based on Low-Order Transport Equations and the Proper Orthogonal Decomposition.

... RT reduced-order ...model order reduction. We develop two reduced-order models (ROMs) for TRT problems formulated by means of the multilevel nonlinear projective-iterative ...

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Reduced Order Models for Open Quantum Systems

Reduced Order Models for Open Quantum Systems

... Bistability is useful in the engineering of practical devices, in particular for switching and binary memory. It is intimately related to hysteresis, in which a system prepared through two (or more) different ...

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Reduced order models for thermally coupled low Mach flows

Reduced order models for thermally coupled low Mach flows

... For the FOM solution (as a reference solution and for the construction of the snapshots), we follow the VMS formulation presented in [20], using the dynamic orthogonal SGS model. In all cases, we use a constant time step ...

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Inferential Estimation for a Ternary Batch Distillation

Inferential Estimation for a Ternary Batch Distillation

... of reduced-order models representing a whole batch behavior for providing the estimates of dynamic composition in a ternary batch distillation process operated in an optimal-reflux ...

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Reduced order modelling of parameter dependent linear and nonlinear dynamic PDE models

Reduced order modelling of parameter dependent linear and nonlinear dynamic PDE models

... data-driven models); or (ii) Galerkin projection schemes, to yield reduced order models ...(PDE) models, the Galerkin projection can be performed on the original equations (strong or a ...

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Mathematical modelling of reduced order induction machines for VFT applications

Mathematical modelling of reduced order induction machines for VFT applications

... a reduced order approach to the modelling of induction machines for the purposes of power transfer between asynchronous ...A reduced order approach therefore serves to reduce the complexity of ...

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Robust stability analysis of LCL filter based synchronverter under different grid conditions

Robust stability analysis of LCL filter based synchronverter under different grid conditions

... in order to decouple active and reactive power loops ...on reduced-order models of the system [10], ...in order to achieve desired dynamic has been proposed as optimal tuning procedure ...

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Real-Time Implementation of Reduced Order Compensators on a Cantilever Beam

Real-Time Implementation of Reduced Order Compensators on a Cantilever Beam

... of reduced order model based control methodologies for the attenuation of vibrations of a cantilever beam caused by either a transient spike disturbance or a narrow-band exogenous force in a smart structure ...

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Modeling of term distance and term occurrence information for improving n gram language model performance

Modeling of term distance and term occurrence information for improving n gram language model performance

... in order to reveal more informative n - grams (Siu & Ostendorf 2000, Guthrie et ...language models exploit temporal word frequencies in the history (Kuhn & Mori 1990, Clarkson & Robinson ...

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Model Reduction of a Load-Sensing Hydraulic System via Activity Index Analysis

Model Reduction of a Load-Sensing Hydraulic System via Activity Index Analysis

... In this paper, based on the bond graph methodology, an accurate but overly complex LS system model taking into account the dynamic characteristics of the LS valve and the cut-off valve is constructed. Moreover, a series ...

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Stochastic models for the Limit Order Book

Stochastic models for the Limit Order Book

... stochastic models for the LOB are given by Cont et ...limit order book, while keeping it analytically ...the order book) such as an increase in the mid-price and execution of an order at the ...

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Reduced order multi switching hybrid synchronization of chaotic systems

Reduced order multi switching hybrid synchronization of chaotic systems

... the reduced-order multi-switching hybrid synchronization between the new hyperchaotic system treated as drive system and Qi chaotic system as response ...desired reduced-order synchronization ...

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Reduced models for blood flow in curved vessels

Reduced models for blood flow in curved vessels

... these models can be improved as desired by increasing the dimension of the basis of selected shape functions (in our case, polynomial functions), but numerical difficulties and computational constraints arise in ...

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Studies of protein designability using reduced models

Studies of protein designability using reduced models

... simple reduced models to the study of protein structure, function and ...These models span a wide range of complexity, from all-atom models with a realistic energy function to the simplest ...

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