Nonlinear Sciences – Adaptation and Self-Organizing Systems
Scientific paper
2006-08-07
Nonlinear Sciences
Adaptation and Self-Organizing Systems
10 pages, 3 figures. Submitted to Physical Review Letters
Scientific paper
Aggregation of particles whose interaction potential depends on their mutual orientation is considered. The aggregation dynamics is derived using a version of Darcy's law and a variational principle depending on the geometric nature of the physical quantities. The evolution equations that result separate into two classes: either characteristic equations, or gradient flow equations. We derive analytical solutions of both types of equations which are collapsed (clumped) states and show their dynamical emergence from smooth initial conditions in numerical simuations.
Holm Darryl D.
Putkaradze Vakhtang
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