Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Miguel Beneitez"'
Publikováno v:
Physical Review Research, Vol 2, Iss 3, p 033258 (2020)
Dissipative dynamical systems characterized by two basins of attraction are found in many physical systems, notably in hydrodynamics where laminar and turbulent regimes can coexist. The state space of such systems is structured around a dividing mani
Externí odkaz:
https://doaj.org/article/4c1625bdae794b869852b5940ccb05c7
Publikováno v:
Journal of Fluid Mechanics
Time-dependent flows are notoriously challenging for classical linear stability analysis. Most progress in understanding the linear stability of these flows has been made for time-periodic flows via Floquet theory focusing on time-asymptotic stabilit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0d34ebcd4c9bb575680e96f2c86e43c
Publikováno v:
Physical Review Research
Physical Review Research, American Physical Society, 2020, 2 (3), ⟨10.1103/PhysRevResearch.2.033258⟩
Physical Review Research, American Physical Society, 2020, 2 (3), ⟨10.1103/PhysRevResearch.2.033258⟩
International audience; Dissipative dynamical systems characterised by two basins of attraction are found in many physical systems, notably in hydrodynamics where laminar and turbulent regimes can coexist. The state space of such systems is structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcf1b88d70e54f06f07c5f4acbaf3bdb
https://hal.archives-ouvertes.fr/hal-03032049
https://hal.archives-ouvertes.fr/hal-03032049
Publikováno v:
Physical Review Fluids. 5
Subcritical transition to turbulence in spatially developing boundary layer flows can be triggered efficiently by finite amplitude perturbations. In this work, we employ adjoint-based optimization to identify optimal initial perturbations in the Blas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51c44f38d7e66fac8750a2ab38749cf5
https://doi.org/10.1103/physrevfluids.5.062401
https://doi.org/10.1103/physrevfluids.5.062401
Publikováno v:
Physical Review E
Physical Review E, American Physical Society (APS), 2020, 102, pp.053108. ⟨10.1103/physreve.102.053108⟩
Physical Review E, American Physical Society (APS), 2020, 102, pp.053108. ⟨10.1103/physreve.102.053108⟩
The transition to turbulence in many shear flows proceeds along two competing routes, one linked with finite-amplitude disturbances and the other one originating from a linear instability, as in e.g. boundary layer flows. The dynamical systems concep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::248d2906bd0046ebcf3990429d91612a
http://arxiv.org/abs/2005.11047
http://arxiv.org/abs/2005.11047
Publikováno v:
Journal of Fluid Mechanics
Journal of Fluid Mechanics, Cambridge University Press (CUP), 2019, 881, pp.164-181. ⟨10.1017/jfm.2019.763⟩
Journal of Fluid Mechanics, Cambridge University Press (CUP), 2019, 881, pp.164-181. ⟨10.1017/jfm.2019.763⟩
Recent progress in understanding subcritical transition to turbulence is based on the concept of the edge, the manifold separating the basins of attraction of the laminar and the turbulent state. Originally developed in numerical studies of parallel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c2efb79f914765c5c07f70509c851e7
https://hal.archives-ouvertes.fr/hal-03032074/file/BDSH2019_edge_tracking_in_spatially_developing_boundary_layer_flows.pdf
https://hal.archives-ouvertes.fr/hal-03032074/file/BDSH2019_edge_tracking_in_spatially_developing_boundary_layer_flows.pdf
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