A convective boundary layer model with time-adaptive grids

A convective boundary layer model with time-adaptive grids

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This thesis presents the first implementation of time-adaptive non-uniform grid distributions in higher order turbulence closure modelling of the convective boundary layer. The aim was to introduce a vertical grid that resolves the surface and entrainment layers, but uses coarser resolution elsew...

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Main Author: Rucker, Magdalena
Language:English
Published: 2009
Online Access:http://hdl.handle.net/2429/3526
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spelling ndltd-LACETR-oai-collectionscanada.gc.ca-BVAU.2429-35262014-03-14T15:39:00Z A convective boundary layer model with time-adaptive grids Rucker, Magdalena This thesis presents the first implementation of time-adaptive non-uniform grid distributions in higher order turbulence closure modelling of the convective boundary layer. The aim was to introduce a vertical grid that resolves the surface and entrainment layers, but uses coarser resolution elsewhere. Two types of grid generating methods were examined with the Level 2.5 turbulence closure model (Mellor and Yamada, 1982; Yamada, 1983). The solution profiles of mean and turbulent quantities were compared to model results obtained with stationary grid distributions of the same mesh size as well as a reference solution obtained with a grid resolution of 10m. 2009-01-10T01:13:30Z 2009-01-10T01:13:30Z 1995 2009-01-10T01:13:30Z 1995-05 Electronic Thesis or Dissertation http://hdl.handle.net/2429/3526 eng UBC Retrospective Theses Digitization Project [http://www.library.ubc.ca/archives/retro_theses/]
collection NDLTD
language English
sources NDLTD
description This thesis presents the first implementation of time-adaptive non-uniform grid distributions in higher order turbulence closure modelling of the convective boundary layer. The aim was to introduce a vertical grid that resolves the surface and entrainment layers, but uses coarser resolution elsewhere. Two types of grid generating methods were examined with the Level 2.5 turbulence closure model (Mellor and Yamada, 1982; Yamada, 1983). The solution profiles of mean and turbulent quantities were compared to model results obtained with stationary grid distributions of the same mesh size as well as a reference solution obtained with a grid resolution of 10m.
author Rucker, Magdalena
spellingShingle Rucker, Magdalena
A convective boundary layer model with time-adaptive grids
author_facet Rucker, Magdalena
author_sort Rucker, Magdalena
title A convective boundary layer model with time-adaptive grids
title_short A convective boundary layer model with time-adaptive grids
title_full A convective boundary layer model with time-adaptive grids
title_fullStr A convective boundary layer model with time-adaptive grids
title_full_unstemmed A convective boundary layer model with time-adaptive grids
title_sort convective boundary layer model with time-adaptive grids
publishDate 2009
url http://hdl.handle.net/2429/3526
work_keys_str_mv AT ruckermagdalena aconvectiveboundarylayermodelwithtimeadaptivegrids
AT ruckermagdalena convectiveboundarylayermodelwithtimeadaptivegrids
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