Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh

The coast of Bangladesh is very irregular in shape and the off-shore region is full of small and big islands. In this paper a nested finite difference scheme is used to solve the vertically integrated shallow water equations. A fine mesh numerical scheme for the coastal belt of Bangladesh has been n...

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Main Authors:	Roy, G D, Kabir, A B M Humayun
Format:	Article
Language:	English
Published:	BRAC University 2011
Subjects:	Nested scheme Shallow water equations Coast Bangladesh
Online Access:	http://hdl.handle.net/10361/713

id	10361-713
record_format	dspace
spelling	10361-7132019-09-29T05:45:51Z Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh Roy, G D Kabir, A B M Humayun Nested scheme Shallow water equations Coast Bangladesh The coast of Bangladesh is very irregular in shape and the off-shore region is full of small and big islands. In this paper a nested finite difference scheme is used to solve the vertically integrated shallow water equations. A fine mesh numerical scheme for the coastal belt of Bangladesh has been nested into a coarse mesh scheme covering up to 15 degree north of the Bay of Bengal. The fine mesh scheme incorporates the off-shore islands and bending of the coastline accurately. The coarse mesh scheme is completely independent and along the open boundaries of the fine mesh scheme, the parameters are prescribed from those obtained in the coarse mesh one in each time step of the solution process. The model is applied to estimate the water level due to tide and surge along the coast of Bangladesh and the results are found to be satisfactory. 2011-01-16T06:05:50Z 2011-01-16T06:05:50Z 2004 Article http://hdl.handle.net/10361/713 en BRAC University journal, BRAC University;Vol. 1, No. 1, p.79-92 application/pdf BRAC University
institution	Brac University
collection	Institutional Repository
language	English
topic	Nested scheme Shallow water equations Coast Bangladesh
spellingShingle	Nested scheme Shallow water equations Coast Bangladesh Roy, G D Kabir, A B M Humayun Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh
description	The coast of Bangladesh is very irregular in shape and the off-shore region is full of small and big islands. In this paper a nested finite difference scheme is used to solve the vertically integrated shallow water equations. A fine mesh numerical scheme for the coastal belt of Bangladesh has been nested into a coarse mesh scheme covering up to 15 degree north of the Bay of Bengal. The fine mesh scheme incorporates the off-shore islands and bending of the coastline accurately. The coarse mesh scheme is completely independent and along the open boundaries of the fine mesh scheme, the parameters are prescribed from those obtained in the coarse mesh one in each time step of the solution process. The model is applied to estimate the water level due to tide and surge along the coast of Bangladesh and the results are found to be satisfactory.
format	Article
author	Roy, G D Kabir, A B M Humayun
author_facet	Roy, G D Kabir, A B M Humayun
author_sort	Roy, G D
title	Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh
title_short	Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh
title_full	Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh
title_fullStr	Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh
title_full_unstemmed	Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh
title_sort	use of a nested numerical scheme in a shallow water model for the coast of bangladesh
publisher	BRAC University
publishDate	2011
url	http://hdl.handle.net/10361/713
work_keys_str_mv	AT roygd useofanestednumericalschemeinashallowwatermodelforthecoastofbangladesh AT kabirabmhumayun useofanestednumericalschemeinashallowwatermodelforthecoastofbangladesh
_version_	1814307973366808576

Use of a nested numerical scheme in a shallow water model for the coast of Bangladesh

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