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A stable and conser...
A stable and conservative method of locally adapting the design order of finite difference schemes
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- Eriksson, Sofia (författare)
- Uppsala University
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- Abbas, Qaisar (författare)
- Uppsala University
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- Nordström, Jan (författare)
- Uppsala University ; University of the Witvatersrand, South Africa ; FOI, The Swedish Defence Research Agency
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(creator_code:org_t)
- South African Association for Theoretical and Applied Mechanics, 2010
- 2010
- Engelska.
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Ingår i: Proceedings of the 7th South African Conference on Computational and Applied Mechanics. - : South African Association for Theoretical and Applied Mechanics. - 9781634397148 ; , s. 128-136
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Abstract
Ämnesord
Stäng
- A procedure to switch the order of accuracy of finite difference schemes is developed. The development is based on existing Summation-By-Parts operators and a weak interface treatment. The resulting scheme is proven to be stable and accurate.Numerical experiments verify the theoretical accuracy for smooth solutions. In addition shock calculations is performed, using a scheme where the developed switching procedure is combined with the MUSCL technique for shock capturing.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Nyckelord
- Applied mathematics
- Tillämpad matematik
- Computer science
- Datavetenskap
- Data- och informationsvetenskap
- Computer and Information Sciences Computer Science
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