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|a pubmed25n0395.xml
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|a (DE-627)NLM118492861
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|a (NLM)11970149
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|a eng
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| 100 |
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|a Zhang, De S
|e verfasserin
|4 aut
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|a Integrating the Kuramoto-Sivashinsky equation in polar coordinates
|b application of the distributed approximating functional approach
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|c 1999
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 12.08.2002
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|a Date Revised 28.07.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a An algorithm is presented to integrate nonlinear partial differential equations, which is particularly useful when accurate estimation of spatial derivatives is required. It is based on an analytic approximation method, referred to as distributed approximating functionals (DAF's), which can be used to estimate a function and a finite number of derivatives with a specified accuracy. As an application, the Kuramoto-Sivashinsky (KS) equation is integrated in polar coordinates. Its integration requires accurate estimation of spatial derivatives, particularly close to the origin. Several stationary and nonstationary solutions of the KS equation are presented, and compared with analogous states observed in the combustion front of a circular burner. A two-ring, nonuniform counter-rotating state has been obtained in a KS model simulation of such a burner
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|a Journal Article
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|a Wei, G W
|e verfasserin
|4 aut
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|a Kouri, D J
|e verfasserin
|4 aut
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| 700 |
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|a Hoffman, D K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gorman, M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Palacios, A
|e verfasserin
|4 aut
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| 700 |
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|a Gunaratne, G H
|e verfasserin
|4 aut
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|i Enthalten in
|t Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
|d 1993
|g 60(1999), 3 vom: 30. Sept., Seite 3353-60
|w (DE-627)NLM098226002
|x 1063-651X
|7 nnns
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| 773 |
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|g volume:60
|g year:1999
|g number:3
|g day:30
|g month:09
|g pages:3353-60
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|a AR
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|d 60
|j 1999
|e 3
|b 30
|c 09
|h 3353-60
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