Found 465 Documents (Results 1–100)
Evaluation of flow and flame characteristics of turbulent bluff-body \(\mathrm{CH}_4\)-\(\mathrm{H}_2\) flame using LES-FPV approach. (English) Zbl 07894516
Eddy-viscosity-improved resolvent analysis of compressible turbulent boundary layers. (English) Zbl 07832941
A simple analytical model for turbulent kinetic energy dissipation for self-similar round turbulent jets. (English) Zbl 07832939
Optimising subgrid-scale closures for spectral energy transfer in turbulent flows. (English) Zbl 1541.76049
Reviewer: Kai Schneider (Marseille)
Explicit solutions of atmospheric Ekman flow with some cases of eddy viscosities. (English) Zbl 1534.34003
Physical/numerical duality of explicit/implicit subgrid-scale modelling. (English) Zbl 07868465
MSC:
76-XX
Atmospheric Ekman-type solutions with some eddy viscosities in ellipsoidal coordinates. (English) Zbl 1539.86004
A combined VOF-RANS approach for studying the evolution of incipient two-dimensional wind-driven waves over a viscous liquid. (English) Zbl 07837901
Numerical analysis of a corrected Smagorinsky model. (English) Zbl 1537.65140
Reviewer: Kai Schneider (Marseille)
An exact solution representing equatorial wind-drift currents with depth-dependent continuous stratification. (English) Zbl 1517.35175
On the mathematical theory of plumes. (English) Zbl 07693283
MSC:
76F10
Explicit solutions of atmospheric Ekman flows for some eddy viscosities in ellipsoidal coordinates. (English) Zbl 1515.35223
Optimal white-noise stochastic forcing for linear models of turbulent channel flow. (English) Zbl 1543.76052
Modelling turbulence in engineering and the environment. Rational alternative routes to closure. Chapter 10 co-authored with Alistair J. Revell. 2nd updated edition. (English) Zbl 1499.76002
Cambridge: Cambridge University Press (ISBN 978-1-108-83506-0/hbk; 978-1-108-87540-0/ebook). xxviii, 506 p. (2023).
A sparse optimal closure for a reduced-order model of wall-bounded turbulence. (English) Zbl 1531.76049
Efficient assimilation of sparse data into RANS-based turbulent flow simulations using a discrete adjoint method. (English) Zbl 07605615
An analysis of some exact solutions for stratified wind-stress flows with centripetal effects. (English) Zbl 1501.35305
Numerical simulation through fluent of a cold, confined and swirling airflow in a combustion chamber. (English) Zbl 1500.76073
Non-ideal instabilities in sinusoidal shear flows with a streamwise magnetic field. (English) Zbl 1529.76041
Ensemble Kalman method for learning turbulence models from indirect observation data. (English) Zbl 1498.76050
Stability analysis of the boundary value problem modelling a two-layer ocean. (English) Zbl 1508.34052
Reviewer: Tatuana Badokina (Saransk)
Influence of anisotropic rheology on wave processes in sea ice. (English. Russian original) Zbl 1515.76011
Theor. Math. Phys. 211, No. 2, 665-678 (2022); translation from Teor. Mat. Fiz. 211, No. 2, 264-280 (2022).
Explicit solution of atmospheric Ekman flows with some types of eddy viscosity. (English) Zbl 1492.34003
Reviewer: Narahari Parhi (Bhubaneswar)
Kinetic-energy-flux-constrained model using an artificial neural network for large-eddy simulation of compressible wall-bounded turbulence. (English) Zbl 1478.76045
Assessment of a symmetry-preserving JFNK method for atmospheric convection. (English) Zbl 1516.76055
On an eddy viscosity model for energetic deep-water surface gravity wave breaking. (English) Zbl 1502.76031
Resolvent-based estimation of turbulent channel flow using wall measurements. (English) Zbl 1475.76054
Modeling the third-order velocity structure function in the scaling range at finite Reynolds numbers. (English) Zbl 1472.76047
Explicit solution and dynamical properties of atmospheric Ekman flows with boundary conditions. (English) Zbl 1488.76152
Variable eddy viscosities in the atmospheric boundary layer from ageostrophic wind-speed profiles. (English) Zbl 1464.76206
Optimal eddy viscosity for resolvent-based models of coherent structures in turbulent jets. (English) Zbl 1493.76054
Global well-posedness of the 3D primitive equations with horizontal viscosity and vertical diffusivity. (English) Zbl 1484.35315
Assessment of the wall-adapting local eddy-viscosity model in transitional boundary layer. (English) Zbl 1506.76047
Existence and uniqueness and first order approximation of solutions to atmospheric Ekman flows. (English) Zbl 1453.34027
A steady stratified purely azimuthal flow representing the Antarctic Circumpolar Current. (English) Zbl 1440.35256
Data-driven modelling of the Reynolds stress tensor using random forests with invariance. (English) Zbl 1519.76091
MSC:
76F65
Stochastic turbulence modeling in RANS simulations via multilevel Monte Carlo. (English) Zbl 1519.76070
Development of POD reduced-order model and its closure scheme for 2D Rayleigh-Bénard convection. (English) Zbl 1481.76197
MSC:
76R05
Experimental study of eddy viscosity for breaking waves on sloping bottom and comparisons with empirical and numerical predictions. (English) Zbl 1430.76317
Extension of a simplified Baldwin-Lomax model to nonequilibrium turbulence: model, analysis and algorithms. (English) Zbl 1423.76271
Evaluation of an eddy viscosity type wave breaking model for intermediate water depths. (English) Zbl 1476.76011
Eddy viscosity and velocity profiles in fully-developed turbulent channel flows. (English) Zbl 1416.76056
On some weighted Stokes problems: applications on Smagorinsky models. (English) Zbl 1460.76185
Chetverushkin, B. N. (ed.) et al., Contributions to partial differential equations and applications. Invited papers of the conferences ‘Contributions to partial differential equations’, Université Pierre et Marie Curie, Paris, France, August 31 – September 1, 2015 and ‘Applied and computational mathematics’, University of Houston, Texas, USA, February 26–27, 2016. Cham: Springer. Comput. Methods Appl. Sci. 47, 395-410 (2019).
Incorporating a tensor in the effective viscosity model of turbulence and the Reynolds stress. (English) Zbl 1427.35187
A steady, purely azimuthal flow model for the antarctic circumpolar current. (English) Zbl 1400.86003
Reviewer: Alain Brillard (Riedisheim)
Large-eddy simulation of a spatially-evolving supersonic turbulent boundary layer at \(M_{\infty} = 2\). (English) Zbl 1408.76328
Viscous flow simulations at high Reynolds numbers without wall functions: Is \(y^+ \simeq 1\) enough for the near-wall cells? (English) Zbl 1410.76086
New scenario of turbulence theory and wall-bounded turbulence: theoretical significance. (English) Zbl 1506.76046
MSC:
76F40
A dynamic framework for functional parameterisations of the eddy viscosity coefficient in two-dimensional turbulence. (English) Zbl 07518292
H (div) element-based eddy viscosity method for time-dependent Navier-Stokes equation. (Chinese. English summary) Zbl 1399.65249
Assessment of subgrid-scale modeling for large-eddy simulation of a spatially-evolving compressible turbulent boundary layer. (English) Zbl 1390.76103
RAS one-equation turbulence model with non-singular eddy-viscosity coefficient. (English) Zbl 07516412
Modeling of a falling-film photocatalytic reactor: fluid dynamics for turbulent regime. (English) Zbl 1459.76009
Lie symmetry methods applied to the turbulent wake of a symmetric self-propelled body. (English) Zbl 1452.76061
An assessment of turbulence models for linear hydrodynamic stability analysis of strongly swirling jets. (English) Zbl 1408.76276
Assessment of turbulence model performance: severe acceleration with large integral length scales. (English) Zbl 1390.76243
MSC:
76F65
Assessment of turbulence model performance: large streamline curvature and integral length scales. (English) Zbl 1390.76242
Multiscale subgrid models of large eddy simulation for turbulent flows. (English) Zbl 1356.76128
MSC:
76F65
Statistical turbulence modelling for fluid dynamics – demystified. An introductory text for graduate engineering students. (English) Zbl 1334.76002
London: Imperial College Press (ISBN 978-1-78326-660-9/hbk; 978-1-78326-661-6/pbk; 978-1-78326-663-0/ebook). xv, 407 p. (2016).
Reviewer: Kai Schneider (Marseille)
On numerical simulation of transition to turbulence in turbine cascade. (English) Zbl 1427.76112
Knobloch, Petr (ed.), Boundary and interior layers, computational and asymptotic methods – BAIL 2014. Proceedings of the conference, Prague, Czech Republic, September 15–19, 2014. Cham: Springer. Lect. Notes Comput. Sci. Eng. 108, 135-145 (2015).
Finite element approximation of an unsteady projection-based VMS turbulence model with wall laws. (English) Zbl 1427.76123
Knobloch, Petr (ed.), Boundary and interior layers, computational and asymptotic methods – BAIL 2014. Proceedings of the conference, Prague, Czech Republic, September 15–19, 2014. Cham: Springer. Lect. Notes Comput. Sci. Eng. 108, 47-73 (2015).
On the existence of benthic storms. (English) Zbl 1421.86008
MSC:
86A05
One-equation sub-grid scale model with variable eddy-viscosity coefficient. (English) Zbl 1390.76225
A stabilized proper orthogonal decomposition reduced-order model for large scale quasigeostrophic ocean circulation. (English) Zbl 1327.37028
Numerical analysis of two ensemble eddy viscosity numerical regularizations of fluid motion. (English) Zbl 1325.65135
A dynamic eddy-viscosity closure model for large eddy simulations of two-dimensional decaying turbulence. (English) Zbl 1529.76046
MSC:
76F65
A residual based eddy viscosity model for the large eddy simulation of turbulent flows. (English) Zbl 1423.76163
MSC:
76F65
Subgrid scale eddy viscosity finite element method on optimal control of system governed by unsteady Oseen equations. (English) Zbl 1297.49047
A mathematical and numerical study of a filtering-based multiscale fluid model with nonlinear eddy viscosity. (English) Zbl 07863330
Numerical simulation of turbulent reacting flow in porous media using two macroscopic turbulence models. (English) Zbl 1391.76823
On the handling of turbulence equations in RANS adjoint solvers. (English) Zbl 1365.76092
MSC:
76F65
A simple approach to discretize the viscous term with spatially varying (eddy-)viscosity. (English) Zbl 1349.76400
A stabilized nonconforming subgrid eddy viscosity method based on pressure projection for the unstationary transient Navier-Stokes equations. (Chinese. English summary) Zbl 1313.76022
Numerical analysis of modular VMS methods with nonlinear eddy viscosity for the Navier-Stokes equations. (English) Zbl 1426.76625
Invariant solution for an axisymmetric turbulent free jet using a conserved vector. (English) Zbl 1311.76025
On Prandtl’s turbulence model: existence of weak solutions to the equations of stationary turbulent pipe-flow. (English) Zbl 1263.35182
Exploring \(k\) and \(\varepsilon\) with \(R\)-equation model using elliptic relaxation function. (English) Zbl 1297.76080
MSC:
76F60
When does eddy viscosity damp subfilter scales sufficiently? (English) Zbl 1303.76072
Salvetti, Maria Vittoria (ed.) et al., Quality and reliability of large-eddy simulations II. Selected papers based on the presentations at the 2nd workshop (QLES 2009), Pisa, Italy, September 9–11, 2009. Dordrecht: Springer (ISBN 978-94-007-0230-1/hbk; 978-94-007-0231-8/ebook; 978-94-007-3415-9/pbk). ERCOFTAC Series 16, 421-430 (2011).
MSC:
76F65
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