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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.22274 |
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| _version_ | 1866916753850761216 |
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| author | Jézéquel, Malo Wang, Jian |
| author_facet | Jézéquel, Malo Wang, Jian |
| contents | For shear flows in a 2D channel, we define resonances near regular values of the shear profile for the Rayleigh equation under an analyticity assumption. This is done via complex deformation of the interval on which Rayleigh equation is considered. We show such resonances are inviscid limits of the eigenvalues of the corresponding Orr--Sommerfeld equation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_22274 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Orr-Sommerfeld equation and complex deformation Jézéquel, Malo Wang, Jian Analysis of PDEs 76E05 For shear flows in a 2D channel, we define resonances near regular values of the shear profile for the Rayleigh equation under an analyticity assumption. This is done via complex deformation of the interval on which Rayleigh equation is considered. We show such resonances are inviscid limits of the eigenvalues of the corresponding Orr--Sommerfeld equation. |
| title | Orr-Sommerfeld equation and complex deformation |
| topic | Analysis of PDEs 76E05 |
| url | https://arxiv.org/abs/2503.22274 |