A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations

© 2015 Institute for Scientific Computing and Information. In this paper, both semidiscrete and completely discrete finite volume element methods (FVEMs) are analyzed for approximating solutions of a class of linear hyperbolic integro-differential equations in a two-dimensional convex polygonal doma...

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Main Authors: Samir Karaa, Amiya K. Pani
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/44750
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-447502018-04-25T07:56:20Z A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations Samir Karaa Amiya K. Pani Agricultural and Biological Sciences © 2015 Institute for Scientific Computing and Information. In this paper, both semidiscrete and completely discrete finite volume element methods (FVEMs) are analyzed for approximating solutions of a class of linear hyperbolic integro-differential equations in a two-dimensional convex polygonal domain. The effect of numerical quadrature is also examined. In the semidiscrete case, optimal error estimates in L < sup > ∞ < /sup > (L < sup > 2 < /sup > ) and L < sup > ∞ < /sup > (H < sup > 1 < /sup > ) norms are shown to hold with minimal regularity assumptions on the initial data, whereas quasi-optimal estimate is derived in L < sup > ∞ < /sup > (L < sup > ∞ < /sup > ) norm under higher regularity on the data. Based on a second order explicit method in time, a completely discrete scheme is examined and optimal error estimates are established with a mild condition on the space and time discretizing parameters. Finally, some numerical experiments are conducted which confirm the theoretical order of convergence. 2018-01-24T04:47:31Z 2018-01-24T04:47:31Z 2015-01-01 Journal 17055105 2-s2.0-84929903856 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84929903856&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/44750
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Agricultural and Biological Sciences
spellingShingle Agricultural and Biological Sciences
Samir Karaa
Amiya K. Pani
A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
description © 2015 Institute for Scientific Computing and Information. In this paper, both semidiscrete and completely discrete finite volume element methods (FVEMs) are analyzed for approximating solutions of a class of linear hyperbolic integro-differential equations in a two-dimensional convex polygonal domain. The effect of numerical quadrature is also examined. In the semidiscrete case, optimal error estimates in L < sup > ∞ < /sup > (L < sup > 2 < /sup > ) and L < sup > ∞ < /sup > (H < sup > 1 < /sup > ) norms are shown to hold with minimal regularity assumptions on the initial data, whereas quasi-optimal estimate is derived in L < sup > ∞ < /sup > (L < sup > ∞ < /sup > ) norm under higher regularity on the data. Based on a second order explicit method in time, a completely discrete scheme is examined and optimal error estimates are established with a mild condition on the space and time discretizing parameters. Finally, some numerical experiments are conducted which confirm the theoretical order of convergence.
format Journal
author Samir Karaa
Amiya K. Pani
author_facet Samir Karaa
Amiya K. Pani
author_sort Samir Karaa
title A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
title_short A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
title_full A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
title_fullStr A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
title_full_unstemmed A priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
title_sort priori error estimates for finite volume element approximations to second order linear hyperbolic integro-differential equations
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84929903856&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/44750
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