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A micromechanical model of collapsing quicksand
Dirk Kadau, Jose S. Andrade, Hans J. Herrmann
The discrete element method constitutes a general class of modeling techniques to simulate the microscopic behavior (i.e. at the particle scale) of granular/soil materials. We pres…
Tricritical point in explosive percolation
Nuno A. M. Araujo, Jose S. Andrade, Robert M. Ziff +1
The suitable interpolation between classical percolation and a special variant of explosive percolation enables the explicit realization of a tricritical percolation point. With hi…
Simulation of particle mixing in turbulent channel flow due to intrinsic fluid velocity fluctuation
Thomas Burgener, Dirk Kadau, Hans J. Herrmann
We combine a DEM simulation with a stochastic process to model the movement of spherical particles in a turbulent channel flow. With this model we investigate the mixing properties…
Protein Interaction Networks are Fragile against Random Attacks and Robust against Malicious Attacks
Christian M. Schneider, Roberto F. S. Andrade, Troy Shinbrot +1
The capacity to resist attacks from the environment is crucial to the survival of all organisms. We quantitatively analyze the susceptibility of protein interaction networks of num…
Density profiles of loose and collapsed cohesive granular structures generated by ballistic deposition
Dirk Kadau, Hans J. Herrmann
Loose granular structures stabilized against gravity by an effective cohesive force are investigated on a microscopic basis using contact dynamics. We study the influence of the gr…