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pro vyhledávání: '"Agasthya, Lokahith"'
Autor:
Agasthya, Lokahith, Muller, Caroline
Our goal is to investigate fundamental properties of the system of internally cooled convection. The system consists of an upward thermal flux at the lower boundary, a mean temperature lapse-rate and a constant cooling term in the bulk with the bulk
Externí odkaz:
http://arxiv.org/abs/2311.04114
We investigate the capabilities of Physics-Informed Neural Networks (PINNs) to reconstruct turbulent Rayleigh-Benard flows using only temperature information. We perform a quantitative analysis of the quality of the reconstructions at various amounts
Externí odkaz:
http://arxiv.org/abs/2301.07769
Non-isothermal particles suspended in a fluid lead to complex interactions -- the particles respond to changes in the fluid flow, which in turn is modified by their temperature anomaly. Here, we perform a novel proof-of-concept numerical study based
Externí odkaz:
http://arxiv.org/abs/2205.03856
Publikováno v:
Physics of Fluids 34, no. 1 (2022): 015128
Nudging is a data assimilation technique that has proved to be capable of reconstructing several highly turbulent flows from a set of partial spatiotemporal measurements. In this study we apply the nudging protocol on the temperature field in a Rayle
Externí odkaz:
http://arxiv.org/abs/2201.02306
Publikováno v:
In Communications in Nonlinear Science and Numerical Simulation July 2024 134
Autor:
Agasthya, Lokahith, Picardo, Jason R., Ravichandran, S., Govindarajan, Rama, Ray, Samriddhi Sankar
Publikováno v:
Phys. Rev. E 99, 063107 (2019)
We investigate the role of intense vortical structures, similar to those in a turbulent flow, in enhancing collisions (and coalescences) which lead to the formation of large aggregates in particle-laden flows. By using a Burgers vortex model, we show
Externí odkaz:
http://arxiv.org/abs/1811.04486
Publikováno v:
Phys. Rev. Fluids 4, 032601(R) (2019)
The role of the spatial structure of a turbulent flow in enhancing particle collision rates in suspensions is an open question. We show and quantify, as a function of particle inertia, the correlation between the multiscale structures of turbulence a
Externí odkaz:
http://arxiv.org/abs/1810.10285
Autor:
Clark Di Leoni, Patricio1 (AUTHOR) pclarkdileoni@udesa.edu.ar, Agasthya, Lokahith2,3 (AUTHOR), Buzzicotti, Michele2 (AUTHOR), Biferale, Luca2 (AUTHOR)
Publikováno v:
European Physical Journal E -- Soft Matter. Mar2023, Vol. 46 Issue 3, p1-8. 8p.
Autor:
Agasthya, Lokahith Narendra
Thermally driven flows - fluid flows which are driven by temperature fluctuations - are abundant in nature and their dynamics, especially convection, plays an important role in several systems, including the atmosphere of the earth as well as other p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26236517328feace4d32da81a4f65931
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