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- Marcus N. Bannerman, Jonathan E Kollmer, Achim Sack, Michael Heckel, Patric MÃ¼ller, Thorsten PÃ¶schel
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

The response of an oscillating granular damper to an initial perturbation is studied using experiments performed in microgravity and granular dynamics simulations. High-speed video and imageâ€¦ (More)

- Marina Montaine, Michael Heckel, Christof A. Kruelle, Thomas Schwager, Thorsten PÃ¶schel
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

The coefficient of restitution of a spherical particle in contact with a flat plate is investigated as a function of the impact velocity. As an experimental observation we notice nontrivialâ€¦ (More)

- Achim Sack, Michael Heckel, Jonathan E Kollmer, Fabian Zimber, Thorsten PÃ¶schel
- Physical review letters
- 2013

We experimentally investigate the energy dissipation rate in sinusoidally driven boxes which are partly filled by granular material under conditions of weightlessness. We identify two different modesâ€¦ (More)

The oscillation of a spring may be attenuated by means of a granular damper. In difference to viscous dampers, the amplitude decays nearly linearly in time up to a finite value, from there on itâ€¦ (More)

We consider the attenuation of the oscillation of a flat spring due to the action of a granular damper. The efficiency of the damper is quantified by evaluating the position of the oscillator as aâ€¦ (More)

- Michael Heckel, Achim Sack, Jonathan E. Kollmer, Thorsten PÃ¶schel
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2015

We consider the transition of a horizontally vibrated monodisperse granular monolayer between its condensed state and its three-dimensional gaseous state as a function of the vibration parameters,â€¦ (More)

- Michael Heckel, Patric MÃ¼ller, Thorsten PÃ¶schel, Jason A. C. Gallas
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2012

Granular ratchets are well-known devices that when driven vertically produce a counterintuitive horizontal transport of particles. Here we report the experimental observation of a complementaryâ€¦ (More)

We study the mechanism leading to the formation of stripe-like patterns in a rectangular container filled with a sub-monolayer of frictional spherical particles when it is subjected to horizontalâ€¦ (More)

- Jonathan E. Kollmer, Martin Tupy, Michael Heckel, Achim Sack, Thorsten PÃ¶schel
- 2015

By means of experiments in microgravity conditions, we show that granular systems subjected to sinusoidal vibrations respond either by harmonic or gaslike dynamics, depending on the parameters of theâ€¦ (More)

We discuss several models for granular particles commonly used in Molecular Dynamics simulations of granular materials, including spheres with linear dashpot force, viscoelastic spheres and adhesiveâ€¦ (More)