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Outputs (13)

Simplified PN Models and Natural Convection-Radiation. (2008)
Presentation / Conference Contribution
Pinnau, R., & Seaid, M. (2008). Simplified PN Models and Natural Convection-Radiation. In L. L. Bonilla, M. Moscoso, G. Platero, & J. M. Vega (Eds.), Progress in Industrial Mathematics at ECMI 2006 (397-401)

Validation of simplified PN models for radiative transfer in combustion. (2008)
Journal Article
Schneider, E., Seaid, M., Janicka, J., & Klar, A. (2008). Validation of simplified PN models for radiative transfer in combustion. Communications in numerical methods in engineering, 24(2), 85-96. https://doi.org/10.1002/cnm.941

This paper illustrates the use of simplified PN approximations as a tools of achieving verification of codes and simulations of radiative transfer in combustion systems. The main advantage of considering these models is the fact that the integro-diff... Read More about Validation of simplified PN models for radiative transfer in combustion..

Extension of weakly compressible approximations to incompressible thermal flows. (2008)
Journal Article
El-Amrani, M., & Seaid, M. (2008). Extension of weakly compressible approximations to incompressible thermal flows. Communications in numerical methods in engineering, 24(1), 33 - 48. https://doi.org/10.1002/cnm.954

Weakly compressible and advection approximations of incompressible isothermal flows were developed and tested in (Commun. Numer. Methods Eng. 2006; 22:831-847). In this paper, we extend the method to solve equations governing incompressible thermal f... Read More about Extension of weakly compressible approximations to incompressible thermal flows..

Large-Eddy Simulation of Thermal Flows based on Discrete-Velocity Models. (2008)
Journal Article
Banda, M., Seaid, M., & Teleaga, I. (2008). Large-Eddy Simulation of Thermal Flows based on Discrete-Velocity Models. SIAM Journal on Scientific Computing, 30(4), 1756-1777. https://doi.org/10.1137/070682174

We derive a Godunov-type relaxation scheme for turbulent flows with heat transfer. The building block of this approach is a kinetic Boltzmann-type formulation for a model of turbulent thermal flows based on large-eddy simulation modeling. Discrete-ve... Read More about Large-Eddy Simulation of Thermal Flows based on Discrete-Velocity Models..

A finite element modified method of characteristics for convective heat transport (2008)
Journal Article
El-Amrani, M., & Seaid, M. (2008). A finite element modified method of characteristics for convective heat transport. Numerical Methods for Partial Differential Equations, 24(3), 776 - 798. https://doi.org/10.1002/num.20288

We propose a finite element modified method of characteristics for numerical solution of convective heat transport. The flow equations are the incompressible Navier-Stokes equations including density variation through the Boussinesq approximation. Th... Read More about A finite element modified method of characteristics for convective heat transport.

Finite Element P1 Solution of Thermal Flow past a Circular Cylinder with Radiation. (2008)
Journal Article
Seaid, M., & El-Amrani, M. (2008). Finite Element P1 Solution of Thermal Flow past a Circular Cylinder with Radiation. International Journal of Computer Mathematics, 85(3-4), 641-656. https://doi.org/10.1080/00207160601167060

We propose a finite element method for solving combined convection and radiation in laminar flow past a circular cylinder. The flow problem is described by the thermal incompressible Navier-Stokes equations subject to a Boussinesq approach. To incorp... Read More about Finite Element P1 Solution of Thermal Flow past a Circular Cylinder with Radiation..

Simulation of transient gas flow at pipe-to-pipe intersections. (2008)
Journal Article
Herty, M., & Seaid, M. (2008). Simulation of transient gas flow at pipe-to-pipe intersections. International Journal for Numerical Methods in Fluids, 56(5), 485 - 506. https://doi.org/10.1002/fld.1531

We numerically investigate a well-established mathematical model for gas flow in pipeline networks. The emphasis is given to the description of coupling conditions at pipe-to-pipe intersections. The accurate prediction of these coupling conditions is... Read More about Simulation of transient gas flow at pipe-to-pipe intersections..

Lattice Boltzmann Simulation of Depth-Averaged Models in Flow Hydraulics. (2008)
Journal Article
Klar, A. S., & M. Thoemmes, G. (2008). Lattice Boltzmann Simulation of Depth-Averaged Models in Flow Hydraulics. International Journal of Computational Fluid Dynamics, 22(7), 507 - 522. https://doi.org/10.1080/10618560802243838

We apply a lattice Boltzmann method (LBM) for the simulation of depth-averaged models in flow hydraulics and dispersion of pollutants. The mathematical equations for these models can be obtained from the incompressible Navier-Stokes equations under t... Read More about Lattice Boltzmann Simulation of Depth-Averaged Models in Flow Hydraulics..

Coupled finite element–lattice Boltzmann analysis (2008)
Journal Article
Haslam, I., Crouch, R., & Seaïd, M. (2008). Coupled finite element–lattice Boltzmann analysis. Computer Methods in Applied Mechanics and Engineering, 197(51-52), 4505-4511. https://doi.org/10.1016/j.cma.2008.04.002

A coupled finite element (FE) and lattice Boltzmann (LB) numerical scheme to model the deformation of a porous solid through which fluid flows could offer an attractive solution strategy. As a precursor to a complete simulator, we review the two meth... Read More about Coupled finite element–lattice Boltzmann analysis.

A Galerkin-Characteristic Method for Large-Eddy Simulation of Turbulent Flow and Heat Transfer (2008)
Journal Article
El-Amrani, M., & Seaid, M. (2008). A Galerkin-Characteristic Method for Large-Eddy Simulation of Turbulent Flow and Heat Transfer. SIAM Journal on Scientific Computing, 30(6), 2734-2754. https://doi.org/10.1137/080720711

This work aims at the development of a nonoscillatory Galerkin-characteristic method for large-eddy simulation of turbulent flow and heat transfer. The method is based on combining the modified method of characteristics with a Galerkin finite element... Read More about A Galerkin-Characteristic Method for Large-Eddy Simulation of Turbulent Flow and Heat Transfer.

Simplified radiative models for low-Mach number reactive flows. (2008)
Journal Article
Teleaga, I., & Seaid, M. (2008). Simplified radiative models for low-Mach number reactive flows. Applied Mathematical Modelling, 32(6), 971-991. https://doi.org/10.1016/j.apm.2007.02.021

We introduce a class of numerical models for the simulation of radiative effects in low-Mach number reactive flows. These models are based on simplified PN approximations for radiative heat transfer, low-Mach asymptotic in the compressible flow, and... Read More about Simplified radiative models for low-Mach number reactive flows..

Incompressible Navier-Stokes equation solvers based on lattice Boltzmann relaxation systems. (2008)
Presentation / Conference Contribution
Banda, M., Seaid, M., & Teleaga, I. (2008). Incompressible Navier-Stokes equation solvers based on lattice Boltzmann relaxation systems. In Special Issue:Sixth International Congress on Industrial Applied Mathematics (ICIAM07) and GAMM Annual Meeting, Zürich 2007 (2100001-2100002). https://doi.org/10.1002/pamm.200700010

In this talk some recent numerical results based on discrete-velocity relaxation systems will be presented. Discrete-velocity equations are derived from continuous Boltzmann-type equations with appropriate approximations suitable for incompressible f... Read More about Incompressible Navier-Stokes equation solvers based on lattice Boltzmann relaxation systems..