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8 papers · 1 filter
picFoam: An OpenFOAM based electrostatic Particle-in-Cell solver
Christoph Kühn, Rodion Groll
picFoam is a fully kinetic electrostatic Particle-in-Cell(PIC) solver, including Monte Carlo Collisions(MCC), for non-equilibrium plasma research in the open-source framework of Op…
Phase-lag predicts nonlinear response maxima in liquid-sloshing experiments
Bastian Bäuerlein, Kerstin Avila
Mass-spring models are essential for the description of sloshing resonances in engineering. By experimentally measuring the liquid's centre of mass in a horizontally oscillated rec…
Circular geodesics in a New Generalization of q-metric
Shokoufe Faraji
This paper introduces an alternative generalization of the static solution with quadrupole moment, the -metric, that describes a deformed compact object in the presence of t…
Applications of the Hawking Energy in Inhomogeneous Cosmology
Dennis Stock
The past lightcone of an observer in a cosmological spacetime is the unique geometric structure directly linked to observations. After general properties of the Hawking energy alon…
Thin accretion disk around the distorted Schwarzschild black hole
Shokoufe Faraji, Eva Hackmann
We construct the relativistic standard steady, optically thick, cold and geometrically thin accretion disk around a distorted Schwarzschild black hole. The distortion of this stati…
Non-modal transient growth of disturbances in pulsatile and oscillatory pipe flow
Duo Xu, Baofang Song, Marc Avila
Laminar flows through pipes driven at steady, pulsatile or oscillatory rates undergo a sub-critical transition to turbulence. We carry out an extensive linear non-modal stability a…