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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

Steady Prandtl layer expansions with external forcing


Authors: Yan Guo and Sameer Iyer
Journal: Quart. Appl. Math. 81 (2023), 375-411
MSC (2020): Primary 76D10
DOI: https://doi.org/10.1090/qam/1655
Published electronically: February 21, 2023
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Abstract: In this article we apply the machinery developed by Guo and Iyer [Validity of Steady Prandtl Layer Expansions, Comm. Pure Appl. Math. (to appear) (2022)] together with a new compactness estimate and a new quantity, the “degree”, in order to prove validity of steady Prandtl layer expansions with external forcing. The compactness techniques introduced in this article allow us to treat more general background Prandtl layers than Guo and Iyer [Validity of Steady Prandtl Layer Expansions, Comm. Pure Appl. Math. (to appear) (2022)].


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Additional Information

Yan Guo
Affiliation: Division of Applied Mathematics, Brown University, 182 George Street, Providence, RI 02912
Email: yan_guo@brown.edu

Sameer Iyer
Affiliation: Department of Mathematics, University of California-Davis, 1 Shields Avenue, Davis, CA 95616
MR Author ID: 1200983
ORCID: 0000-0002-0365-9092
Email: sameer@math.ucdavis.edu

Keywords: Fluid mechanics, boundary layers, inviscid limit
Received by editor(s): October 25, 2022
Received by editor(s) in revised form: January 4, 2023
Published electronically: February 21, 2023
Additional Notes: Y. Guo’s research is supported in part by NSF grant DMS2106650. S. Iyer’s research was partially supported by NSF grant DMS1802940.
Article copyright: © Copyright 2023 Brown University