Branching Paths Statistics for confined Flows : Adressing Navier-Stokes Nonlinear Transport
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866914481611735040 |
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| author | Yaacoub, Daniel Blanco, Stéphane Fournier, Richard Hagelaar, Gerjan Cornet, Jean-François Dauchet, Jérémi Vourc'h, Thomas |
| author_facet | Yaacoub, Daniel Blanco, Stéphane Fournier, Richard Hagelaar, Gerjan Cornet, Jean-François Dauchet, Jérémi Vourc'h, Thomas |
| contents | Recent advances have allowed to tackle exact path-space probabilistic representations of macroscopic advection-diffusion models involving advection nonlinearities by step forward approaches in terms of continuous branching stochastic processes. Yet, the need of such paradigm shift is huge for the broad flied of fluid flows. In deed, wherever for climate dynamics, engeenering, geophysical and planetary formations, or biomedical applications, complex transport phenomena involving diffusion and advection in confined domains set the physics. In this work, we advance this framework by casting such branching representations within the class of Navier-Stokes strongly nonlinear transport. This yields novel propagator representations for fluid dynamics and opens new routes for efficient simulations of fluids in confined domains by use of new Backward Monte Carlo algorithms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_01292 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Branching Paths Statistics for confined Flows : Adressing Navier-Stokes Nonlinear Transport Yaacoub, Daniel Blanco, Stéphane Fournier, Richard Hagelaar, Gerjan Cornet, Jean-François Dauchet, Jérémi Vourc'h, Thomas Fluid Dynamics Statistical Mechanics Recent advances have allowed to tackle exact path-space probabilistic representations of macroscopic advection-diffusion models involving advection nonlinearities by step forward approaches in terms of continuous branching stochastic processes. Yet, the need of such paradigm shift is huge for the broad flied of fluid flows. In deed, wherever for climate dynamics, engeenering, geophysical and planetary formations, or biomedical applications, complex transport phenomena involving diffusion and advection in confined domains set the physics. In this work, we advance this framework by casting such branching representations within the class of Navier-Stokes strongly nonlinear transport. This yields novel propagator representations for fluid dynamics and opens new routes for efficient simulations of fluids in confined domains by use of new Backward Monte Carlo algorithms. |
| title | Branching Paths Statistics for confined Flows : Adressing Navier-Stokes Nonlinear Transport |
| topic | Fluid Dynamics Statistical Mechanics |
| url | https://arxiv.org/abs/2604.01292 |