Exploració per tema "Lattice Boltzmann method"
Ara es mostren els items 1-11 de 11
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A 8-neighbor model lattice Boltzmann method applied to mathematical-physical equations
(2016-10-26)
Article
Accés obertA lattice Boltzmann method (LBM) 9-bit model is presented to solve mathematical-physical equations, such as, Laplace equation, Poisson equation, Wave equation and Burgers equation. The 9-bit model has been verified by ... -
A simplified new multigrid algorithm of lattice Boltzmann method for steady states
(2023-02-01)
Article
Accés restringit per política de l'editorialIn the present paper, a new strategy of multigrid method is introduced to accelerate the convergence speed of numerical simulations via lattice Boltzmann method. Based on the popular V-cycle multigrid algorithm, a simplified ... -
Application of Lattice Boltzmann Method for Surface Runoff in Watershed
(Universitat Politècnica de Catalunya. CIMNE, 2018)
Article
Accés obertDerived from simplifications of the Saint-Venant equations, the kinematic wave model has the ability to describe the behavior of surface runoff in watersheds. This paper aims to obtain the numerical simulation of the flow ... -
Lid driven triangular and trapezoidal cavity flow: vortical structures for steady solutions and Hopf bifurcations
(Multidisciplinary Digital Publishing Institute, 2023-01-09)
Article
Accés obertA numerical study of two dimensional lid-driven triangular and trapezoidal cavity flow is performed via using the lattice Boltzmann method (LBM) for steady solutions. The equilateral and right-angled isosceles triangular ... -
New applications of numerical simulation based on lattice Boltzmann method at high Reynolds numbers
(2020-03-15)
Article
Accés restringit per política de l'editorialIn order to study the flow behavior at high Reynolds numbers, two modified models, known as the multiple-relaxation-time lattice Boltzmann method (MRT-LBM) and large-eddy-simulation lattice Boltzmann method (LES-LBM), have ... -
Numerical investigation on the flow around a square cylinder with an upstream splitter plate at low Reynolds numbers
(2020-03-13)
Article
Accés obertThe present study focuses on the flow over a 2D square cylinder with a plate placed in front of it. An in-house code using the lattice Boltzmann method was employed for all the simulations presented. Few cases were simulated ... -
Numerical investigation on the role of discrete element method in combined LBM-IBM-DEM modeling
(Elsevier, 2014-05-01)
Article
Accés restringit per política de l'editorialParticle collisions play a very important role in determining the fluid-particle multiphase flow, and thus it is crucial to treat the particle-particle interaction using a felicitous method in numerical simulations. A novel ... -
Numerical study of the 2D lid-driven triangular cavities based on the Lattice Boltzmann method
(Atlantis Press, 2016)
Text en actes de congrés
Accés obertNumerical study of two dimensional lid driven triangular cavity flow is performed via using lattice Boltzmann method on low Reynolds numbers. The equilateral triangular cavity is the first geometry to be studied, the ... -
Simulação do escoamento bidimensional do canal de iniciação da usina hidrelétrica de Itaipu por meio do método do reticulado de Boltzmann
(Universitat Politècnica de Catalunya. CIMNE, 2018)
Article
Accés obertEste artigo analisa a capacidade do método do reticulado de Boltzmann (LBM) com múltiplos tempos de relaxamento (MRT) na simulação do escoamento em problemas práticos de engenharia. O estudo de caso abordado refere-se ao ... -
Simulação numérica bidimensional do escoamento em canal com obstáculos submersos usando o método do reticulado de Boltzmann
(Universitat Politècnica de Catalunya. CIMNE, 2018)
Article
Accés obertApresenta-se a simulação numérica bidimensional do escoamento de água em um canal retangular com chicanas submersas distribuídas alternadamente nas suas margens. As equações governantes do escoamento são as equações de ... -
Towards a better understanding of wall-driven square cavity flows using the Lattice Boltzmann method
(2020-06-01)
Article
Accés obertWall-driven flow in square cavities has been studied extensively, yet it appears some main flow characteristics have not been fully investigated. Previous research on the classic lid-driven cavity (S1) flow has produced ...