Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Krishnan V. Pagalthivarthi"'
Autor:
Krishnan V. Pagalthivarthi, Anh Tran, John M. Furlan, Yan Wang, Robert J. Visintainer, Jing Sun
Publikováno v:
Computer Methods in Applied Mechanics and Engineering. 347:827-852
In this work, we present a constrained batch-parallel Bayesian optimization (BO) framework, termed pBO-2GP-3B, to accelerate the optimization process for high-dimensional and computationally expensive problems, with known and unknown constraints. Two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c05276235426021791a95deaf090a67
https://doi.org/10.1016/j.cma.2018.12.033
https://doi.org/10.1016/j.cma.2018.12.033
Autor:
John M. Furlan, Anh Tran, Krishnan V. Pagalthivarthi, Robert J. Visintainer, Yan Wang, Tim Wildey
Publikováno v:
Wear. :9-26
Computational fluid dynamics (CFD)-based wear predictions are computationally expensive to evaluate, even with a high-performance computing infrastructure. Thus, it is difficult to provide accurate local wear predictions in a timely manner. Data-driv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec056aab8c2a83cafb31365c711c6050
https://doi.org/10.1016/j.wear.2018.12.081
https://doi.org/10.1016/j.wear.2018.12.081
Autor:
Aaron Cutright, Mohamed Garman, Krishnan V. Pagalthivarthi, John M. Furlan, Anh Tran, Robert J. Visintainer, Yan Wang
Publikováno v:
Volume 2: Fluid Mechanics; Multiphase Flows.
Dedicated to the memory of John Furlan. Wear prediction is important in designing reliable machinery for slurry industry. It usually relies on multi-phase computational fluid dynamics, which is accurate but computationally expensive. Each run of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad016f0503c00441a2e8933d20fc8238
https://doi.org/10.1115/fedsm2020-20059
https://doi.org/10.1115/fedsm2020-20059
Publikováno v:
Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes.
For the purpose of Computational Fluid Dynamic (CFD) simulations, the broad particle size distribution (PSD) encountered in industrial slurries is classified into a discrete number of size classes. Since mono-size simulations consume much less comput
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6591a86501294a1eb07c682bce5485a1
https://doi.org/10.1115/fedsm2017-69240
https://doi.org/10.1115/fedsm2017-69240
Publikováno v:
Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes.
Coriolis and impact wear testers are commonly used in the slurry industry to determine the sliding and impact wear coefficients (respectively) for a given combination of slurry and wear substrate material. In these experiments, the mass loss of wear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95f885f0a080ab6566eabf546be50f04
https://doi.org/10.1115/fedsm2017-69243
https://doi.org/10.1115/fedsm2017-69243
Publikováno v:
The Journal of Computational Multiphase Flows, Vol 3, Iss 4, Pp 225-245 (2011)
The paper discusses numerical prediction of erosion wear trends in centrifugal pump casing pumping dilute slurries. The casing geometry is considered two-dimensional. Discrete Phase Model (DPM) in FLUENT 6.1® is utilized to obtain dilute slurry flow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1c3040c45feb73e240e0358c774411d
http://cmf.sagepub.com/content/3/4/225.full.pdf
http://cmf.sagepub.com/content/3/4/225.full.pdf
Publikováno v:
The Journal of Computational Multiphase Flows, Vol 1, Iss 3, Pp 263-281 (2009)
Erosion wear prediction in fully developed multi-size particulate flow through horizontal pipes is carried out numerically using Galerkin finite element methodology. The predicted multi-size particulate flow field near the pipe wall is correlated wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b9f4f8acf3254c9ee7624d37ecdf1be
http://cmf.sagepub.com/content/1/3/263.full.pdf
http://cmf.sagepub.com/content/1/3/263.full.pdf
Publikováno v:
The Journal of Computational Multiphase Flows, Vol 1, Iss 2, Pp 133-160 (2009)
A comparison of three turbulence models in modeling and validating dense multi-size particulate flow through rotating channel is presented. All the three turbulence models incoporate a rotation modification to the production term in the turbulent kin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2d54e5a437fa4e34423bbd2ad80171d
https://doi.org/10.1260/175748209789563919
https://doi.org/10.1260/175748209789563919
Publikováno v:
Pattern Recognition Letters. 28:1873-1884
Specific domains in video data contain rich temporal structures that help in classification process. In this paper, we exploit the temporal structure to characterize video sequence data into different classes. We propose the following perceptual feat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::922b25709fcc570aca2d7671148f22db
https://doi.org/10.1016/j.patrec.2006.12.016
https://doi.org/10.1016/j.patrec.2006.12.016
Publikováno v:
Volume 1: Symposia.
Flow through centrifugal pump casing is highly complex in nature due to the complex geometry of the casing. While simplified two dimensional modeling of pump casing reveals the overall flow pattern and pressure distribution, a complete 3D model of pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::191db46511b61c7232e123b910a9bd35
https://doi.org/10.1115/ajkfluids2015-31129
https://doi.org/10.1115/ajkfluids2015-31129