Limited‐memory adaptive snapshot selection for proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2017 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.5283
Abstract: Summary Reduced order models are useful for accelerating simulations in many-query contexts, such as optimization, uncertainty quantification, and sensitivity analysis. However, offline training of reduced order models (ROMs) can have prohibitively expensive memory and floating-point… read more here.
Keywords: orthogonal decomposition; proper orthogonal; selection; decomposition ... See more keywords
On combining linear stochastic estimation and proper orthogonal decomposition for flow reconstruction
Sign Up to like & getrecommendations! Published in 2018 at "Experiments in Fluids"
DOI: 10.1007/s00348-018-2513-4
Abstract: We present an estimation method combining Proper Orthogonal Decomposition (POD) and Linear Stochastic Estimation (LSE). The method is based on a direct mapping of the POD amplitudes from the measurement space to the state space.… read more here.
Keywords: estimation; orthogonal decomposition; proper orthogonal; stochastic estimation ... See more keywords
3D particle shape modelling and optimization through proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2017 at "Granular Matter"
DOI: 10.1007/s10035-017-0771-0
Abstract: Based on proper orthogonal decomposition (POD), a new method is presented in order to statistically characterize arbitrary particle shapes using an optimal choice of shape functions identified on a set of 1000 digitized railway ballast… read more here.
Keywords: orthogonal decomposition; shape; proper orthogonal; particle ... See more keywords
A two-stage surrogate model for Neo-Hookean problems based on adaptive proper orthogonal decomposition and hierarchical tensor approximation
Sign Up to like & getrecommendations! Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2020.113368
Abstract: Abstract The evaluation of robustness and reliability of realistic structures in the presence of uncertainty is numerically costly. This motivates model order reduction techniques like the proper orthogonal decomposition (POD), which gives an approximate model… read more here.
Keywords: orthogonal decomposition; model; stage; proper orthogonal ... See more keywords
Reconstructing cellular surface of gaseous detonation based on artificial neural network and proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2020 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2019.10.031
Abstract: Abstract Gaseous detonation has complicated cellular surface, whose comprehensive investigation is critical not only to the detonation physics but also the detonation engine development. Because measuring the high-resolution dynamic surface is beyond the present experimental… read more here.
Keywords: orthogonal decomposition; cellular surface; surface; proper orthogonal ... See more keywords
A modification to extended proper orthogonal decomposition-based correlation analysis: The spatial consideration
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.121065
Abstract: Abstract The so-called proper orthogonal decomposition (POD) method has been used in numerous research items, mainly in the field of turbulence, as a reduced-order model to describe transient complex turbulence by a set of deterministic… read more here.
Keywords: orthogonal decomposition; epod; modification; proper orthogonal ... See more keywords
Analysis of turbulent structures around a rectangular prism building model using spectral proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2020.104213
Abstract: Abstract This paper presents a study on the turbulent structure of the wind velocity field around a rectangular prism building model, calculated using large-eddy simulation. Spectral proper orthogonal decomposition (SPOD), a technique to perform proper… read more here.
Keywords: orthogonal decomposition; proper orthogonal; rectangular prism; prism building ... See more keywords
MODULO: A software for Multiscale Proper Orthogonal Decomposition of data
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DOI: 10.1016/j.softx.2020.100622
Abstract: In the era of the Big Data revolution, methods for the automatic discovery of regularities in large datasets are becoming essential tools in applied sciences. This article presents an open software package, named MODULO (MODal… read more here.
Keywords: orthogonal decomposition; proper orthogonal; multiscale proper; decomposition ... See more keywords
Aeroservoelastic modeling with proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Fluids"
DOI: 10.1063/1.4975673
Abstract: A physics-based, reduced-order, aeroservoelastic model of an F-18 aircraft has been developed using the method of proper orthogonal decomposition (POD), introduced to the field of fluid mechanics by Lumley. The model is constructed with data… read more here.
Keywords: cfd ase; orthogonal decomposition; proper orthogonal; physics ... See more keywords
A proper orthogonal decomposition analysis upon aerodynamic structures under clean and rough conditions
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0151454
Abstract: A transitional flow regime is known to induce complex flow structures upon aerodynamic geometries such as airfoils, and the dynamics of laminar separation bubbles (LSBs) pose a relevant research field. In addition to being affected… read more here.
Keywords: pod; proper orthogonal; surface; analysis ... See more keywords
Model Order Reduction of Electromagnetic Particle-in-Cell Kinetic Plasma Simulations via Proper Orthogonal Decomposition
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2019.2950377
Abstract: The proper orthogonal decomposition technique is applied to a finite-element time-domain particle-in-cell (PIC) algorithm for the simulation of kinetic plasmas, resulting in a reduced-order system. The reduced model is tested with representative examples involving an… read more here.
Keywords: reduction; orthogonal decomposition; order; model ... See more keywords