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- Max Planck Institute for Intelligent SystemsDE139 papers
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- Max Planck SocietyDE73 papers
- Karlsruhe Institute of TechnologyDE47 papers
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6 papers · 2 filters
Space-filling bearings in three dimensions
R. Mahmoodi Baram, H. J. Herrmann, N. Rivier
We present the first space-filling bearing in three dimensions. It is shown that a packing which contains only loops with even number of spheres can be constructed in a self-simila…
Self-similar space-filling packings in three dimensions
Reza Mahmoodi Baram, Hans J. Herrmann
We develop an algorithm to construct new self-similar space-filling packings of spheres. Each topologically different configuration is characterized by its own fractal dimension. W…
Simulating spin-boson dynamics with stochastic Liouville-von Neumann equations
J. T. Stockburger
Based on recently derived exact stochastic Liouville-von Neumann equations, several strategies for the efficient simulation of open quantum systems are developed and tested on the…
A Model of Barchan Dunes Including Lateral Shear Stress
V. Schwaemmle, H. Herrmann
Barchan dunes are found where sand availability is low and wind direction quite constant. The two dimensional shear stress of the wind field and the sand movement by saltation and…
Ratcheting of granular materials
F. Alonso-Marroquin, H. J. Herrmann
We investigate the quasi-static mechanical response of soils under cyclic loading using a discrete model of randomly generated convex polygons. This response exhibits a sequence of…
Cluster Model of Decagonal Tilings
Michael Reichert, Franz Gähler
A relaxed version of Gummelt's covering rules for the aperiodic decagon is considered, which produces certain random-tiling-type structures. These structures are precisely characte…