Arbitrary Lagrangian–Eulerian formulation of lattice Boltzmann model for compressible flows on unstructured moving meshes
نویسندگان
چکیده
منابع مشابه
Multi-Domain Multi-Model Formulation for Compressible Flows: Conservative Interface Coupling and Parallel Implicit Solvers for 3D Unstructured Meshes
In this paper we present a multi-domain multi-model formulation for three-dimensional compressible flows. Using multi-domains we can map the computation efficiently onto multi-processor parallel computers and using multi-models we can reduce the arithmetic cost. The goal is to minimize the overall time and memory required to simulate the flow by using locally selected, more computational effici...
متن کاملUnstructured Lattice Boltzmann method for Non-Newtonian flows
Non-Newtonian models with shear-thinning viscosity are commonly used to solve a variety of complex flow problems. A new finite-volume discretisation based upon an unstructured grid is used to integrate the differential form of the Lattice Boltzmann equation (ULBE) with a shear-dependent viscosity, using a cell-vertex finite-volume technique. The unknown fields are placed at the nodes of the mes...
متن کاملThe unstructured lattice Boltzmann method for non-Newtonian flows
Non-Newtonian models with shear-thinning viscosity are commonly used to solve a variety of complex flow problems. A new finite-volume discretization based upon an unstructured grid is used to integrate the differential form of the lattice Boltzmann equation with a shear-dependent viscosity, using a cell-vertex finite-volume technique. The unknown fields are placed at the nodes of the mesh and e...
متن کاملLattice Boltzmann Approach to High-Speed Compressible Flows
We present an improved lattice Boltzmann model for high-speed compressible flows. The model is composed of a discrete-velocity model by Kataoka and Tsutahara [Phys. Rev. E 69, 056702 (2004)] and an appropriate finite-difference scheme combined with an additional dissipation term. With the dissipation term parameters in the model can be flexibly chosen so that the von Neumann stability condition...
متن کاملLattice Boltzmann model for ultra-relativistic flows
F. Mohseni, ∗ M. Mendoza, † S. Succi, ‡ and H. J. Herrmann 3, § ETH Zürich, Computational Physics for Engineering Materials, Institute for Building Materials, Schafmattstrasse 6, HIF, CH-8093 Zürich (Switzerland) Istituto per le Applicazioni del Calcolo C.N.R., Via dei Taurini, 19 00185, Rome (Italy), and Freiburg Institute for Advanced Studies, Albertstrasse, 19, D-79104, Freiburg, (Germany) D...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physics of Fluids
سال: 2020
ISSN: 1070-6631,1089-7666
DOI: 10.1063/5.0004024