Viscous pressureless flows with free boundary in one space dimension: The constant viscosity case
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866915232087015424 |
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| author | Liu, Xin |
| author_facet | Liu, Xin |
| contents | We establish the global well-posedness of the free boundary problem of the viscous pressureless and almost pressureless heat conductive flows in one space dimension. In both cases, arbitrarily large but smooth initial data is considered, and the evolving fluid domains remain bounded for all time. In the viscous pressureless case, we are able to identify the terminal flow domain in terms of the initial data. In the viscous almost pressureless case, we construct the flow as a perturbation of the viscous pressureless flow, and establish the first result for the Navier-Stokes-Fourier system in the current setting. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_05130 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Viscous pressureless flows with free boundary in one space dimension: The constant viscosity case Liu, Xin Analysis of PDEs 35Q30, 35Q35, 76A30, 76N10 We establish the global well-posedness of the free boundary problem of the viscous pressureless and almost pressureless heat conductive flows in one space dimension. In both cases, arbitrarily large but smooth initial data is considered, and the evolving fluid domains remain bounded for all time. In the viscous pressureless case, we are able to identify the terminal flow domain in terms of the initial data. In the viscous almost pressureless case, we construct the flow as a perturbation of the viscous pressureless flow, and establish the first result for the Navier-Stokes-Fourier system in the current setting. |
| title | Viscous pressureless flows with free boundary in one space dimension: The constant viscosity case |
| topic | Analysis of PDEs 35Q30, 35Q35, 76A30, 76N10 |
| url | https://arxiv.org/abs/2504.05130 |