Industrial scale Large Eddy Simulations with adaptive octree meshes using immersogeometric analysis
We present a variant of the immersed boundary method integrated with octree meshes for
highly efficient and accurate Large Eddy Simulations (LES) of flows around complex …
highly efficient and accurate Large Eddy Simulations (LES) of flows around complex …
A parallel discrete unified gas kinetic scheme on unstructured grid for inviscid high-speed compressible flow simulation
L Xu, W Zhang, Y Chen, R Chen - Physics of Fluids, 2022 - pubs.aip.org
The discrete unified gas kinetic scheme (DUGKS) is a recently devised approach to simulate
multiscale flows based on the kinetic models, which also shows distinct features for …
multiscale flows based on the kinetic models, which also shows distinct features for …
A space-time parallel algorithm with adaptive mesh refinement for computational fluid dynamics
This paper describes a space-time parallel algorithm with space-time adaptive mesh
refinement (AMR). AMR with subcycling is added to multigrid reduction-in-time (MGRIT) in …
refinement (AMR). AMR with subcycling is added to multigrid reduction-in-time (MGRIT) in …
[HTML][HTML] Lighter and faster simulations on domains with symmetries
À Alsalti-Baldellou, X Álvarez-Farré, G Colomer… - Computers & …, 2024 - Elsevier
A strategy to improve the performance and reduce the memory footprint of simulations on
meshes with spatial reflection symmetries is presented in this work. By using an appropriate …
meshes with spatial reflection symmetries is presented in this work. By using an appropriate …
Efficient two-step Runge-Kutta methods for fluid dynamics simulations
Abstract Explicit two-step Runge-Kutta (TSRK) methods offer an efficient alternative to
traditional explicit Low-Storage Runge-Kutta (LSRK) schemes for solving the Navier-Stokes …
traditional explicit Low-Storage Runge-Kutta (LSRK) schemes for solving the Navier-Stokes …
On the Continuous Adjoint of Prominent Explicit Local Eddy Viscosity-based Large Eddy Simulation Approaches for Incompressible Flows
N Kühl - Flow, Turbulence and Combustion, 2024 - Springer
The manuscript deals with continuous adjoint companions of prominent explicit Large Eddy
Simulation (LES) methods grounding on the eddy viscosity assumption for incompressible …
Simulation (LES) methods grounding on the eddy viscosity assumption for incompressible …
Data augmentation for the POD formulation of the parametric laminar incompressible Navier-Stokes equations
A posteriori reduced-order models, eg proper orthogonal decomposition, are essential to
affordably tackle realistic parametric problems. They rely on a trustful training set, that is a …
affordably tackle realistic parametric problems. They rely on a trustful training set, that is a …
On the feasibility of overnight industrial high-fidelity simulations of CSP technologies on modern HPC systems
A Alsalti-Baldellou, G Colomer… - Journal of Physics …, 2024 - iopscience.iop.org
In the last decades, computational fluid dynamics (CFD) has become a standard design tool
in many fields, such as the automotive, aeronautical, and renewable energy industries. The …
in many fields, such as the automotive, aeronautical, and renewable energy industries. The …
Validation of large eddy simulation of flow behind a circular cylinder
The flow in the wake behind a circular cylinder in a cross-flow at Reynolds number of 4815
was studied both experimentally and via mathematical modeling. The mathematical model …
was studied both experimentally and via mathematical modeling. The mathematical model …
Lattice-Boltzmann-Verfahren hoher Ordnung zur Simulation kompressibler Strömungen
D Wilde - 2023 - pub.h-brs.de
In dieser Arbeit wird eine kompressible Semi-Lagrangesche Lattice-Boltzmann-Methode
neu entwickelt und erprobt. Die Lattice-Boltzmann-Methode ist ein Verfahren zur …
neu entwickelt und erprobt. Die Lattice-Boltzmann-Methode ist ein Verfahren zur …