Particle-Particle Interactions
Particle-Particle Interactions
The behavior of granular systems is determined by the interaction between its constituting particles. Detailed insights in the particle interaction are essential for truly understanding the properties of granular matter, as well as for modeling and simulating granular systems.
Dynamic collisions and static contacts between particles are both characterized by interaction forces. One aim of this project is to obtain sufficiently realistic and yet efficient expressions for these interaction forces. Such expressions are the basis for high quality force-based particle simulations of granular systems.
Another paradigm is to describe the contact between particles by effective collision-rules rather than forces. One of these collision-rules is based on the concept of the coefficients of restitution. This concept is the foundation of both, highly efficient event-driven molecular dynamics for the simulation of granular systems as well as kinetic theory of granular matter based on the Boltzmann equation. This project involves high precision measurements of the coefficients of restitution as well as theoretical works to improve and extend the underlying concept. Moreover, this project is devoted to pushing the boundaries of event-driven simulation and kinetic theory.
Current research is focused on the collision of complex-shaped particles, nano-particles and on impact phenomena where the inner degrees of freedom of the colliding objects are explicitly relevant.
Publications
| Severin Strobl, Marcus Bannerman, Thorsten Pöschel Stable algorithm for event detection in event-driven particle dynamics: logical states Computational Particle Mechanics 3, 383-388(2016) |
| Michael Heckel, Aldo Glielmo, Nina Gunkelmann, Thorsten Pöschel Can we obtain the coefficient of restitution from the sound of a bouncing ball? Physical Review E 93, 032901(2016) |
| Dan Serero, Nina Gunkelmann, Thorsten Pöschel Hydrodynamics of binary mixtures of granular gases with stochastic coefficient of restitution Journal of Fluid Mechanics 781, 595-621(2015) |
| Aldo Glielmo, Nina Gunkelmann, Thorsten Pöschel Coefficient of Restitution of Aspherical Particles Physical Review E 90, 052204(2014) |
| Christian Schöner, Stephan Rennecke, Alfred P. Weber, Thorsten Pöschel Introduction of a new technique to measure the coefficient of restitution for nanoparticles Chemie Ingenieur Technik 86, 365-374(2014) |
| Nina Gunkelmann, Marina Montaine, Thorsten Pöschel Stochastic behavior of the coefficient of normal restitution Physical Review E 89, 022205(2014) |
| Eric Josef Ribeiro Parteli, Jochen Schmidt, Christina Blümel, Karl-Ernst Wirth, Wolfgang Peukert, Thorsten Pöschel Attractive particle interaction forces and packing density of fine glass powders Scientific Reports 4, 6227(2014) |
| Patric Müller, Michael Heckel, Achim Sack, Thorsten Pöschel Complex Velocity Dependence of the Coefficient of Restitution of a Bouncing Ball Physical Review Letters 110, 254301(2013) |
| Diego Fregolente Mendes de Oliveira, Edson D. Leonel Some dynamical properties of a classical dissipative bouncing ball model with two nonlinearities Physica A 392, 1762–1769(2013) |
| Malgorzata Borówko, Thorsten Pöschel, Stefan Sokolowski, Tomasz Staszewski Janus Particles at Walls Modified with Tethered Chains Journal of Physical Chemistry B 117, 1166−1175(2013) |
| Patric Müller, Thorsten Pöschel Event-driven molecular dynamics of soft particles Physical Review E 87, 033301(2013) |
| Nikolai Brilliantov, Nicole Albers, Frank Spahn, Thorsten Pöschel Erratum: Collision dynamics of granular particles with adhesion [Physical Review E 76, 051302 (2007)] Physical Review E 87, 039904(E)(2013) |
| Nina Gunkelmann, Dan Serero, Thorsten Pöschel Temperature of a granular gas with regard to the stochastic nature of particle interactions New Journal of Physics 15, 093030(2013) |
| Thorsten Pöschel, Patric Müller Event-driven DEM of soft spheres AIP Conference Proceedings 1542, 149-152(2013) |
| Chuan-Yu Wu, Thorsten Pöschel Micro-mechanics and dynamics of cohesive particle systems Granular Matter 15, 389-390(2013) |
| Eric Josef Ribeiro Parteli Using LIGGGHTS for performing DEM simulations of particles of complex shapes with the multisphere method Proceedings of the 6th International Conference on Discrete Element Methods, pp. 217 – 222(2013) |
| Eric Josef Ribeiro Parteli DEM simulation of particles of complex shapes using the multisphere method: Application for additive manufacturing AIP Conference Proceedings 1542, 185-188(2013) |
| Michael Heckel, Patric Müller, Thorsten Pöschel, Jason Gallas Circular ratchets as transducers of vertical vibrations into rotations Physical Review E 86, 061310(2012) |
| Patric Müller, Thorsten Pöschel Oblique impact of frictionless spheres: On the limitations of hard sphere models for granular dynamics Granular Matter 14, 115-120(2012) |
| Patric Müller, Dominik Krengel, Thorsten Pöschel Negative coefficient of normal restitution Physical Review E 85, 041306(2012) |
| Patric Müller, Thorsten Pöschel Collision of Viscoelastic Spheres: Compact Expressions for the Coefficient of Normal Restitution Physical Review E 84, 021302(2011) |
| Marina Montaine, Michael Heckel, Christof Krülle, Thomas Schwager, Thorsten Pöschel Coefficient of restitution as a fluctuating quantity Physical Review E 84, 041306(2011) |
| Patric Müller, Thorsten Pöschel Two-ball problem revisited: Limitations of event-driven modeling Physical Review E 83, 041304(2011) |
| Thomas Schwager, Volker Becker, Thorsten Pöschel Coefficient of tangential restitution for viscoelastic spheres The European Physical Journal E, 27, 107-114(2008) |
| Volker Becker, Thomas Schwager, Thorsten Pöschel Coefficient of tangential restitution for the linear dashpot model Physical Review E, 77, 011304(2008) |
| Thomas Schwager, Thorsten Pöschel Coefficient of restitution for viscoelastic spheres: The effect of delayed recovery Physical Review E, 78, 051304(2008) |
| Thorsten Pöschel, Nikolai Brilliantov, Arno Formella, Michael Heckel, Christof Krülle, Patric Müller, Clara Salueña, Thomas Schwager Contact of granular particles and the simulation of rapid flows using event-driven molecular dynamics European Journal of Environmental and Civil Engineering 12, 827-870(2008) |
| Thomas Schwager, Thorsten Pöschel Coefficient of restitution and linear dashpot model revisited Granular Matter 9, 465-469(2007) |
| Nikolai Brilliantov, Nicole Albers, Frank Spahn, Thorsten Pöschel Collision dynamics of granular particles with adhesion Physical Review E 76, 051302(2007) |
| Nikolai Brilliantov, Thorsten Pöschel Adhesive interactions of viscoelastic spheres Powders & Grains 2005: Proceedings of the 5th International Conference on Micromechanics of Granular Media (Garcia-Rojo, R., Herrmann, H. J., McNamara, S.), 1247-1253. Taylor & Francis. (2005) |
| Thorsten Pöschel, Thomas Schwager, Nikolai Brilliantov, Alexei Zaikin Rolling friction and bistability of rolling motion Powders & Grains 2005: Proceedings of the 5th International Conference on Micromechanics of Granular Media (Garcia-Rojo, R., Herrmann, H. J., McNamara, S.) 2, 505-509. Taylor & Francis. (2005) |
| Thorsten Pöschel, Nikolai Brilliantov, Alexei Zaikin Bistability and noise-enhanced velocity of rolling motion Europhysics Letters 69, 371-377(2005) |
| Nikolai Brilliantov, Thorsten Pöschel Collision of adhesive viscoelastic particles The Physics of Granular Media (Hinrichsen, H. and Wolf, D. E.), 189-209. Amsterdam: Wiley.(2004) |
| Thorsten Pöschel, Nikolai Brilliantov Chains of viscoelastic spheres Granular Gases (Pöschel, T. and Luding, S) 564, 203-212. Berlin: Springer.(2001) |
| Thorsten Pöschel, Nikolai Brilliantov Extremal collision sequences of particles on a line: Optimal transmission of kinetic energy Physical Review Letters 63, 021505(2001) |
| Thorsten Pöschel Dynamics of granular systems (in German) Logos, Berlin(2001) |
| Volkhard Buchholtz, Jan Freund, Thorsten Pöschel Molecular dynamics of comminution in ball mills European Physical Journal B 16, 169–182(2000) |
| Volkhard Buchholtz, Jan Freund, Thorsten Pöschel Molekulardynamische Untersuchung von Zerkleinerungsprozessen in Kugelmühlen Schüttgut 6, 11-24(2000) |
| Thorsten Pöschel, Thomas Schwager, Nikolai Brilliantov Rolling friction of a hard cylinder on a viscous plane European Physical Journal B 10, 169-174(1999) |
| Nikolai Brilliantov, Thorsten Pöschel Rolling as a “continuing collision” European Physical Journal B 12, 299-301(1999) |
| Rosa Ramírez, Thorsten Pöschel, Nikolai Brilliantov, Thomas Schwager Coefficient of restitution of colliding viscoelastic spheres Physical Review E 60, 4465-4472(1999) |
| Thorsten Pöschel Dynamics of granular systems – Theory, experiments, and numerical experiments (in German) habilitation thesis, Humboldt-University Berlin(1999) |
| Thorsten Pöschel, Thomas Schwager Comment on “Clustering of Granular Assemblies with Temperature Dependent Restitution under Keplerian Differential Rotation” Physical Review Letters 80, 5708(1998) |
| Thorsten Pöschel, Thomas Schwager Coefficient of restitution of viscous particles and cooling rate of granular gases Physical Review E, 57, 650-654(1998) |
| Thomas Schwager, Thorsten Pöschel Contact of viscous spheres Friction, Arching and Contact Dynamics (Wolf, D. E. and Grassberger, P.), 293-299, World Scientific, Singapore (1997) |
| Nikolai Brilliantov, Frank Spahn, Jan-Martin Hertzsch, Thorsten Pöschel Model for collisions in granular gases Physical Review E 53, 5382-5392(1996) |
| Nikolai Brilliantov, Frank Spahn, Jan-Martin Hertzsch, Thorsten Pöschel The collision of particles in granular systems Physica A 231, 417-424(1996) |
| Thorsten Pöschel, Thomas Schwager Cooling rate of a granular gas (in German) Dynamik, Evolution, Strukturen: Nichtlineare Dynamik und Statistik komplexer Strukturen (Freund, J.) 237-246, Köster, Berlin (1996) |
| Thorsten Pöschel, Volkhard Buchholtz Molecular dynamics of arbitrarily shaped granular particles Journal de Physique I France 5, 1431-1455(1995) |
| Nikolai Brilliantov, Frank Spahn, Jan-Martin Hertzsch, Thorsten Pöschel On collisions between granular particles: Application to planetary rings Bulletin of the American Astronomical Society 26, 1143-1144(1994) |
| Thorsten Pöschel, Volkhard Buchholtz Static friction phenomena in granular materials: Coulomb law versus particle geometry Physical Review Letters 71, 3963-3966(1993) |
Posters
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Attractive particle interaction forces and packing density of fine glass powders (Poster) Eric Parteli, J. Schmidt, C. Blümel, K. E. Wirth, W. Peukert, Thorsten Pöschel |