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5 papers · 1 filter
Lettuce: PyTorch-based Lattice Boltzmann Framework
Mario Christopher Bedrunka, Dominik Wilde, Martin Kliemank +3
The lattice Boltzmann method (LBM) is an efficient simulation technique for computational fluid mechanics and beyond. It is based on a simple stream-and-collide algorithm on Cartes…
Cubature rules for weakly and fully compressible off-lattice Boltzmann methods
Dominik Wilde, Andreas Krämer, Mario Bedrunka +2
Off-lattice Boltzmann methods increase the flexibility and applicability of lattice Boltzmann methods by decoupling the discretizations of time, space, and particle velocities. How…
High-order semi-Lagrangian kinetic scheme for compressible turbulence
Dominik Wilde, Andreas Krämer, Dirk Reith +1
Turbulent compressible flows are traditionally simulated using explicit time integrators applied to discretized versions of the Navier-Stokes equations. However, the associated Cou…
Semi-Lagrangian lattice Boltzmann method for compressible flows
Dominik Wilde, Andreas Krämer, Dirk Reith +1
This work thoroughly investigates a semi-Lagrangian lattice Boltzmann (SLLBM) solver for compressible flows. In contrast to other LBM for compressible flows, the vertices are organ…
Orbital-enriched Flat-top Partition of Unity Method for the Schrödinger Eigenproblem
Clelia Albrecht, Constanze Klaar, John E. Pask +3
Quantum mechanical calculations require the repeated solution of a Schrödinger equation for the wavefunctions of the system. Recent work has shown that enriched finite element meth…