Large eddy simulation of FDA’s idealized medical device
Large eddy simulation of FDA’s idealized medical device
A hybrid large eddy simulation and immersed boundary method (IBM) computational approach is used to make quantitative predictions of flow field statistics within the Food and Drug Administration’s idealized medical device. An in-house code is used, hereafter (WenoHemo™), that combines high-order finite-difference schemes on structured staggered Cartesian grids with an IBM to facilitate flow over or through complex stationary or rotating geometries and employs a subgrid-scale turbulence model that more naturally handles transitional flows (Delorme et al., J Biomech 46:207–436, 2013). Predictions of velocity and wall shear stress statistics are compared with previously published experimental measurements from Hariharan et al. (J Biomech Eng 133:041002, 2011) for the four Reynolds numbers considered.
large eddy simulation, idealized medical device, turbulence, shear stress, transitional flow
392-407
Delorme, Yann T.
2e6e700d-35e7-4893-a9f5-de2a62531b34
Kameswara Rao, Anupindi
9836c871-9d6d-475a-9362-224d8913d225
Frankel, Steven H.
dfe31bbe-795a-422e-bc22-7c2234c43301
1 December 2013
Delorme, Yann T.
2e6e700d-35e7-4893-a9f5-de2a62531b34
Kameswara Rao, Anupindi
9836c871-9d6d-475a-9362-224d8913d225
Frankel, Steven H.
dfe31bbe-795a-422e-bc22-7c2234c43301
Delorme, Yann T., Kameswara Rao, Anupindi and Frankel, Steven H.
(2013)
Large eddy simulation of FDA’s idealized medical device.
Cardiovascular Engineering and Technology, 4 (4), .
(doi:10.1007/s13239-013-0161-7).
Abstract
A hybrid large eddy simulation and immersed boundary method (IBM) computational approach is used to make quantitative predictions of flow field statistics within the Food and Drug Administration’s idealized medical device. An in-house code is used, hereafter (WenoHemo™), that combines high-order finite-difference schemes on structured staggered Cartesian grids with an IBM to facilitate flow over or through complex stationary or rotating geometries and employs a subgrid-scale turbulence model that more naturally handles transitional flows (Delorme et al., J Biomech 46:207–436, 2013). Predictions of velocity and wall shear stress statistics are compared with previously published experimental measurements from Hariharan et al. (J Biomech Eng 133:041002, 2011) for the four Reynolds numbers considered.
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e-pub ahead of print date: 3 July 2013
Published date: 1 December 2013
Keywords:
large eddy simulation, idealized medical device, turbulence, shear stress, transitional flow
Organisations:
Aerodynamics & Flight Mechanics Group
Identifiers
Local EPrints ID: 363616
URI: http://eprints.soton.ac.uk/id/eprint/363616
ISSN: 1869-408X
PURE UUID: 787a4b67-79db-49b1-8c61-4112e0e8c7c7
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Date deposited: 27 Mar 2014 16:17
Last modified: 14 Mar 2024 16:26
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Contributors
Author:
Yann T. Delorme
Author:
Anupindi Kameswara Rao
Author:
Steven H. Frankel
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