Search Results - "Rezaeiravesh, Saleh"
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1
On the potential of transfer entropy in turbulent dynamical systems
Published in Scientific reports (15-12-2023)“…Information theory (IT) provides tools to estimate causality between events, in various scientific domains. Here, we explore the potential of IT-based…”
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2
Assessment of uncertainties in hot-wire anemometry and oil-film interferometry measurements for wall-bounded turbulent flows
Published in European journal of mechanics, B, Fluids (01-11-2018)“…In this study, the sources of uncertainty of hot-wire anemometry (HWA) and oil-film interferometry (OFI) measurements are assessed. Both statistical and…”
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3
Bayesian Optimization of Wall-Normal Blowing and Suction-Based Flow Control of a NACA 4412 Wing Profile
Published in Flow, turbulence and combustion (01-06-2024)“…Active flow-control techniques have shown promise for achieving high levels of drag reduction. However, these techniques are often complex and involve multiple…”
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4
Physics-informed neural network for turbulent flow reconstruction in composite porous-fluid systems
Published in Machine learning: science and technology (01-09-2024)“…This study explores the implementation of physics-informed neural networks (PINNs) to analyze turbulent flow in composite porous-fluid systems. These systems…”
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5
Efficient prediction of turbulent flow quantities using a Bayesian hierarchical multifidelity model
Published 26-10-2022“…High-fidelity scale-resolving simulations of turbulent flows quickly become prohibitively expensive, especially at high Reynolds numbers. As a remedy, we may…”
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6
On numerical uncertainties in scale-resolving simulations of canonical wall turbulence
Published in Computers & fluids (15-09-2021)“…•New UQ-based metrics are applied to scale-resolving simulations of wall turbulence.•The metrics help understanding the behavior of solvers and influence of…”
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7
Effect of grid resolution on large eddy simulation of wall-bounded turbulence
Published 22-05-2018“…Physics of Fluids 30, 055106 (2018) The effect of grid resolution on large eddy simulation (LES) of wall-bounded turbulent flow is investigated. A channel flow…”
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8
A library for wall-modelled large-eddy simulation based on OpenFOAM technology
Published in Computer physics communications (01-06-2019)“…This work presents a feature-rich open-source library for wall-modelled large-eddy simulation (WMLES), which is a turbulence modelling approach that reduces…”
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9
In-situ estimation of time-averaging uncertainties in turbulent flow simulations
Published in Computer methods in applied mechanics and engineering (01-01-2025)“…The statistics obtained from turbulent flow simulations are generally uncertain due to finite time averaging. Most techniques available in the literature to…”
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10
Assessment of uncertainties in hot-wire anemometry and oil-film interferometry measurements for wall-bounded turbulent flows
Published 24-04-2018“…In this study, the sources of uncertainty of hot-wire anemometry (HWA) and oil-film interferometry (OFI) measurements are assessed. Both statistical and…”
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11
An uncertainty-quantification framework for assessing accuracy, sensitivity, and robustness in computational fluid dynamics
Published in Journal of computational science (01-07-2022)“…Combining different existing uncertainty quantification (UQ) techniques, a framework is obtained to assess a set of metrics in computational physics problems,…”
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12
Applying Bayesian optimization with Gaussian process regression to computational fluid dynamics problems
Published in Journal of computational physics (15-01-2022)“…Bayesian optimization (BO) based on Gaussian process regression (GPR) is applied to different CFD (computational fluid dynamics) problems which can be of…”
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13
Wall-modeled large eddy simulation of 90° bent pipe flows with/without particles: A comparative study
Published in The International journal of heat and fluid flow (01-02-2024)“…Wall-modeled large eddy simulation (WMLES) has been proven to be a cost-effective approach capable of resolving turbulence up to certain resolutions. Among the…”
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14
Systematic study of accuracy of wall-modeled large eddy simulation using uncertainty quantification techniques
Published in Computers & fluids (15-05-2019)“…•Predictive accuracy and sensitivity of WMLES of channel flow to different factors are investigated.•Influential factors include wall model parameters, grid,…”
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15
UQit: A Python package for uncertainty quantification (UQ) in computational fluid dynamics (CFD)
Published in Journal of open source software (20-04-2021)Get full text
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16
In-situ Estimation of Time-averaging Uncertainties in Turbulent Flow Simulations
Published 12-10-2023“…The statistics obtained from turbulent flow simulations are generally uncertain due to finite time averaging. The techniques available in the literature to…”
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17
Direct numerical simulation of turbulent pipe flow up to $Re_\tau=5200
Published 13-07-2022“…Well-resolved direct numerical simulations (DNSs) have been performed of the flow in a smooth circular pipe of radius $R$ and axial length $10\pi R$ at…”
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18
An Uncertainty-Quantification Framework for Assessing Accuracy, Sensitivity, and Robustness in Computational Fluid Dynamics
Published 14-07-2020“…A framework is developed based on different uncertainty quantification (UQ) techniques in order to assess validation and verification (V&V) metrics in…”
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19
Systematic Study of Accuracy of Wall-Modeled Large Eddy Simulation using Uncertainty Quantification Techniques
Published 11-10-2018“…The predictive accuracy of wall-modeled large eddy simulation is studied by systematic simulation campaigns of turbulent channel flow. The effect of wall…”
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20
A Library for Wall-Modelled Large-Eddy Simulation Based on OpenFOAM Technology
Published 31-07-2018“…This work presents a feature-rich open-source library for wall-modelled large-eddy simulation (WMLES), which is a turbulence modelling approach that reduces…”
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