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| Format: | Preprint |
| Veröffentlicht: |
2025
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| Online-Zugang: | https://arxiv.org/abs/2507.18247 |
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| _version_ | 1866915408110419968 |
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| author | Wang, Ya-Guang Zhao, Yi-Lei |
| author_facet | Wang, Ya-Guang Zhao, Yi-Lei |
| contents | We study the well-posedness of the compressible boundary layer equations with data being analytic in the tangential variable of the boundary. The compressible boundary layer equations, a nonlinear coupled system of degenerate parabolic equations and an elliptic equation, describe the behavior of thermal layer and viscous layer in the small viscosity and heat conductivity limit, for the two-dimensional compressible viscous flow with heat conduction with nonslip and zero heat flux boundary conditions. We use the Littlewood-Paley theory to establish the a priori estimates for solutions of this compressible boundary layer problem, and obtain the local existence and uniqueness of the solution in the space of analytic in the tangential variable and Sobolev in the normal variable. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18247 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Well-posedness of the compressible boundary layer equations with analytic initial data Wang, Ya-Guang Zhao, Yi-Lei Analysis of PDEs 35Q35, 35M13, 35B65, 76N20 We study the well-posedness of the compressible boundary layer equations with data being analytic in the tangential variable of the boundary. The compressible boundary layer equations, a nonlinear coupled system of degenerate parabolic equations and an elliptic equation, describe the behavior of thermal layer and viscous layer in the small viscosity and heat conductivity limit, for the two-dimensional compressible viscous flow with heat conduction with nonslip and zero heat flux boundary conditions. We use the Littlewood-Paley theory to establish the a priori estimates for solutions of this compressible boundary layer problem, and obtain the local existence and uniqueness of the solution in the space of analytic in the tangential variable and Sobolev in the normal variable. |
| title | Well-posedness of the compressible boundary layer equations with analytic initial data |
| topic | Analysis of PDEs 35Q35, 35M13, 35B65, 76N20 |
| url | https://arxiv.org/abs/2507.18247 |