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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Accesso online: | https://arxiv.org/abs/2412.18866 |
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| _version_ | 1866913627072626688 |
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| author | Nesterov, A. V. |
| author_facet | Nesterov, A. V. |
| contents | The asymptotics of a singularly perturbed problem is constructed. describing the transport of a polydisperse impurity in the atmosphere, taking into account the processes of precipitation and wind pick-up, as well as the processes of coagulation - dissociation. The mathematical model of this process represents a differential-operator equation of turbulent diffusion with a non-standard boundary condition containing two components - atmospheric and soil. The asymptotics of the solution is constructed by the method of boundary functions. Problems that do not contain small parameters are obtained for the main terms of the asymptotic equation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_18866 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Asymptotics of the solution of the turbulent diffusion equation taking into account the polydispersity of the impurity and wind pickup from the underlying surface Nesterov, A. V. Analysis of PDEs 35C20 (Primary) 35F35 (Secondary) The asymptotics of a singularly perturbed problem is constructed. describing the transport of a polydisperse impurity in the atmosphere, taking into account the processes of precipitation and wind pick-up, as well as the processes of coagulation - dissociation. The mathematical model of this process represents a differential-operator equation of turbulent diffusion with a non-standard boundary condition containing two components - atmospheric and soil. The asymptotics of the solution is constructed by the method of boundary functions. Problems that do not contain small parameters are obtained for the main terms of the asymptotic equation. |
| title | Asymptotics of the solution of the turbulent diffusion equation taking into account the polydispersity of the impurity and wind pickup from the underlying surface |
| topic | Analysis of PDEs 35C20 (Primary) 35F35 (Secondary) |
| url | https://arxiv.org/abs/2412.18866 |