Výsledky vyhledávání - "direct numerical simulation"

Numerical simulations of particle turbulent dispersion and deposition with implications for the spreading of airborne diseases

Autoři: Lavrinenko, Akim

Přispěvatelé: University/Department: Universitat Rovira i Virgili. Departament d'Enginyeria Mecànica

Thesis Advisors: Fabregat Tomàs, Alexandre, Pallarés Curto, Jordi

Zdroj: TDX (Tesis Doctorals en Xarxa)

Témata: Simulació numèrica directa, Flux turbulent carregat de partí, Dinàmica de partícules, Simulación numérica directa, Flujo turbulento cargado de pa, Dinámica de partículas, Direct Numerical Simulation, Turbulent particle-laden flow, Particle dynamics, Enginyeria i arquitectura

Popis souboru: application/pdf

Přístupová URL adresa: http://hdl.handle.net/10803/689730

A nonlocal multiscale model for Brownian particles: Application to hindered deposition in microfluidic systems

Autoři: Michael, Anand Joseph Mark, Andreas Sasic, Srdjan a další

Zdroj: Migrering, mixning och modulering i reaktiva Brownska system av godycklig geometrisk komplexitet International Journal of Multiphase Flow. 193

Témata: Multiphase Direct Numerical Simulation, Memory kernel, Generalized Langevin equation, Colored Brownian motion, Lagrangian Particle Tracking

Popis souboru: electronic

Přístupová URL adresa: https://research.chalmers.se/publication/548126
https://research.chalmers.se/publication/548126/file/548126_Fulltext.pdf

Characterization of hydrodynamic and thermal properties of anisotropic irregular roughness

Autoři: Yang, Jiasheng Stroh, Alexander Bagheri, Shervin a další

Zdroj: International Journal of Heat and Fluid Flow. 116

Témata: Anisotropic roughness, Direct numerical simulation, Ice accretion

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-364418
https://doi.org/10.1016/j.ijheatfluidflow.2025.109888

Direct numerical simulation of nanosecond repetitively pulsed discharges for plasma-assisted flame stabilisation in flowing environments

Autoři: Fredrich, D Cant, RS Apollo - University of Cambridge Repository

Přispěvatelé: Fredrich, D Cant, RS Apollo - University of Cambridge Repository

Zdroj: Combustion Theory and Modelling. :1-32

Témata: non-equilibrium plasma modelling, direct numerical simulation, Plasma-assisted combustion, flame stabilisation, nanosecond pulsed discharge

Popis souboru: application/pdf

Flow and heat transfer of impinging synthetic jets

Autoři: Miró Jané, Arnau

Přispěvatelé: University/Department: Universitat Politècnica de Catalunya. Departament de Física

Thesis Advisors: Soria Guerrero, Manel, Cajas García, Juan Carlos

Zdroj: TDX (Tesis Doctorals en Xarxa)

Témata: ALE (Arbitrary Lagrangian Eulerian), DNS (Direct Numerical Simulation), Heat transfer, LES (Large Eddy Simulations), Numerical simulation, Synthetic jet actuator, Vortex, Àrees temàtiques de la UPC::Física

Popis souboru: application/pdf

Přístupová URL adresa: http://hdl.handle.net/10803/667300
https://dx.doi.org/10.5821/dissertation-2117-166961

A dual-lattice hydrodynamic-thermal MRT-LBM model implemented on GPU for DNS calculations of turbulent thermal flows

Autoři: Forslund, Tobias O. M. Larsson, I. A. Sofia Hellström, J. Gunnar I. a další

Zdroj: International journal of numerical methods for heat & fluid flow. 33(5):1703-1725

Témata: Lattice Boltzmann method, Turbulence, Thermal flows, Direct numerical simulation, Strömningslära, Fluid Mechanics

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-93178
https://doi.org/10.1108/HFF-06-2022-0339

How Far Does the Influence of the Free Surface Extend in Turbulent Open Channel Flow?

Autoři: Bauer, Christian Sakai, Yoshiyuki Uhlmann, Markus

Zdroj: Flow, Turbulence and Combustion. 115:447-468

Témata: Fluid Dynamics (physics.flu-dyn), direct numerical simulation, free surface, FOS: Physical sciences, Fluid Dynamics, turbulent open channel flow

Přístupová URL adresa: http://arxiv.org/abs/2501.06017
https://elib.dlr.de/214076/
https://doi.org/10.1007/s10494-025-00665-4

DNS–URANS comparison study on cough-induced flow and particles in a large-scale circulation

Autoři: Batmaz, Ege Schmeling, Daniel Wagner, Claus

Zdroj: International Journal of Numerical Methods for Heat & Fluid Flow. 35:1940-1964

Témata: Particle dispersion, Particle transport, Large-scale circulation (LSC), Unsteady Reynolds-averaged Navier–Stokes simulation (URANS), Direct numerical simulation (DNS)

Přístupová URL adresa: https://elib.dlr.de/206095/
https://doi.org/10.1108/hff-08-2024-0602

AC_Toy (S_U1™): A Python Framework for Turbulence Modeling Based on 3D Navier–Stokes model

Autoři: Sahraoui, Nadia

Témata: AC_Toy (S_U1™), U_SE3®, Kolmogorov theory, Numerical stability, Quantum-inspired operators, Python simulation framework, Navier–Stokes equations, Spectral methods, Computational fluid dynamics (CFD), N.Sahra, Direct Numerical Simulation (DNS), Open science reproducibility, S_U2™, Turbulence modeling

Numerical simulation of binary convection within the Soret regime in a tilted cylinder

Autoři: Alonso Maleta, María Aránzazu Mercader Calvo, María Isabel Batiste Boleda, Oriol a další

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Inclined cylindrical cells, Thermodiffusion, Positive Soret coefficient mixtures, Time-dependent binary fluid convection, Direct numerical simulation, Àrees temàtiques de la UPC::Física::Física de fluids

Popis souboru: application/pdf

Přístupová URL adresa: https://hdl.handle.net/2117/428659
https://doi.org/10.1515/jnet-2024-0064

Modeling and simulation of multiphase flow in highly fractured porous media with a data-driven multiscale approach

Autoři: Gimenez, Juan Marcelo Idelsohn Barg, Sergio Rodolfo Oñate Ibáñez de Navarra, Eugenio

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Multiscale, Pseudo-direct numerical simulation, Reservoirs, Fractured porous media, Equivalent permeability, Multiphase flow, Surrogate model, Àrees temàtiques de la UPC::Física::Física de fluids

Popis souboru: application/pdf

Přístupová URL adresa: https://hdl.handle.net/2117/426435
https://doi.org/10.1007/s00466-024-02594-x

Direct numerical simulation study on relationship between Ranque-Hilsch effect and turbulence in high-speed swirling flow inside a cylindrical vortex chamber

Autoři: Taihei YAMAMOTO Yuji HATTORI

Zdroj: Nihon Kikai Gakkai ronbunshu, Vol 91, Iss 941, Pp 24-00193-24-00193 (2024)

Témata: Engineering machinery, tools, and implements, turbulence, TJ1-1570, direct numerical simulation, Mechanical engineering and machinery, TA213-215, energy separation, ranque-hilsch effect, physical mechanism, swirling flow

Přístupová URL adresa: https://doaj.org/article/04add69f725f4ade90a50ab876a2ba64

CFD for turbulence: from fundamentals to geophysics and astrophysics

Autoři: Cambon, Claude Alvarez Laguna, Alejandro Zhou, Ye a další

Přispěvatelé: Cambon, Claude Alvarez Laguna, Alejandro Zhou, Ye a další

Zdroj: Comptes Rendus. Mécanique, Vol 350, Iss S1, Pp 151-170 (2022)

Témata: [PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Turbulence theories, Large eddy simulation, Turbulence modeling Direct numerical simulation Turbulence theories Statistical closure approaches Large eddy simulation Rotating and unstable stratified flows Plasma and magnetohydrodynamics (MHD) turbulence, [PHYS.PHYS.PHYS-FLU-DYN] Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], 01 natural sciences, Statistical closure approaches, Rotating and unstable stratified flows, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], [PHYS.PHYS.PHYS-PLASM-PH] Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], 0103 physical sciences, TA401-492, [PHYS.MECA.MEFL] Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], Plasma and magnetohydrodynamics (MHD) turbulence, Materials of engineering and construction. Mechanics of materials, Turbulence modeling, Direct numerical simulation

Popis souboru: application/pdf

Přístupová URL adresa: https://doaj.org/article/9013bd6b98dd4d40b4e7f017633eab45
https://hal.science/hal-03902787v1
https://doi.org/10.5802/crmeca.135
https://hal.science/hal-03902787v1/document

Deep Reinforcement Learning for the Management of the Wall Regeneration Cycle in Wall-Bounded Turbulent Flows

Autoři: Cavallazzi, Giorgio Maria Guastoni, Luca Vinuesa, Ricardo a další

Zdroj: Flow Turbulence and Combustion.

Témata: Deep reinforcement learning, Direct numerical simulation, Drag reduction, Flow control

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-367348
https://doi.org/10.1007/s10494-024-00609-4

Techniques for Turbulence Tripping of Boundary Layers in RANS Simulations

Autoři: Tabatabaei, Narges Vinuesa, Ricardo Örlü, Ramis a další

Zdroj: Flow Turbulence and Combustion. 108(3):661-682

Témata: Boundary layer, CFD RANS, Laminar–turbulent transition, Tripping, Aerodynamic drag, Aerodynamics, Atmospheric thermodynamics, Flow separation, Heat transfer, Laminar boundary layer, Large eddy simulation, Navier Stokes equations, Numerical methods, Three dimensional computer graphics, Turbomachine blades, Turbulence models, Wind tunnels, Wings, Computational fluid dynamic reynold-averaged navi–stoke, Direct-numerical-simulation, Laminar-turbulent transition, Large-eddy simulations, Reynold-averaged navier-stokes simulations, Reynolds - Averaged Navier-Stokes, Reynolds-averaged navier-stokes simulations, Test case, Transition model, Computational fluid dynamics

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-311176
https://doi.org/10.1007/s10494-021-00296-5

Direct Numerical Simulation of Turbulent Channel Flow with Spanwise System Rotation and Velocity Slip on Suction Wall

Autoři: A. Moosaie Zh. Najafi-Kashkooli H. I. Andersson

Zdroj: Journal of Applied Fluid Mechanics, Vol 18, Iss 11, Pp 2697-2710 (2025)

Témata: direct numerical simulation, turbulent channel flow, spanwise system rotation, hydrophobic suction wall, slip condition, mean flow asymmetry, Mechanical engineering and machinery, TJ1-1570

Popis souboru: electronic resource

Relation: https://www.jafmonline.net/article_2740_8d501ad189fb184269632019a9e101cb.pdf; https://doaj.org/toc/1735-3572; https://doaj.org/toc/1735-3645

Přístupová URL adresa: https://doaj.org/article/4cb72cdab7414d87b87a62cac7792fdc

GPU acceleration of CaNS for massively-parallel direct numerical simulations of canonical fluid flows

Autoři: Costa, Pedro Phillips, Everett Brandt, Luca a další

Zdroj: Computers and Mathematics with Applications. 81:502-511

Témata: Computational fluid dynamics Direct numerical simulation Fast Poisson solver GPU acceleration

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-268202
https://doi.org/10.1016/j.camwa.2020.01.002

Wind Veer and Speed in Turbulent Ekman Flow Part I: Scaling Analysis and Velocity Profile Model

Autoři: Ansorge, Cedrick Wurps, Hauke

Zdroj: Boundary-Layer Meteorology. 191

Témata: Surface layer, Geologie, Hydrologie, Meteorologie, Ekman layer, Hodograph, Scale separation, Direct numerical simulation

Numerical investigation of the self-propulsion mechanism of a droplet on a hot ratchet surface

Autoři: Nguyen Van Toan Tan Hung Hoang Daeseong Jo a další

Zdroj: Case Studies in Thermal Engineering, Vol 73, Iss, Pp 106618-(2025)

Témata: Droplet, Film boiling, Ratchet surface, Self-propulsion, TA1-2040, Engineering (General). Civil engineering (General), Direct numerical simulation

Přístupová URL adresa: https://doaj.org/article/6410c3c3d24543f1994e9c89bc0bf153

Impact of Wind‐Wave Coupling on Turbulence and Air‐Sea Fluxes: Insights From Direct Numerical Simulations

Autoři: Jinlong Zhang Weijian Liu Yuhong Dong

Zdroj: Geophysical Research Letters, Vol 52, Iss 14, Pp n/a-n/a (2025)

Témata: wind sea, QC801-809, Geophysics. Cosmic physics, direct numerical simulation, wind‐wave coupling, swells, wind turbulence

Přístupová URL adresa: https://doaj.org/article/0af3d6341efc48b089eab3e4bd656be5