Traffic and Granular Flow ’07 pp 555-563 | Cite as
Dynamics of Dissipative System with Asymmetric Interaction and N-Body Problem for the Emergence of Moving Cluster
Summary
Collective motion of self-driven particles is a non-equilibrium dissipative system with asymmetric interaction. Optimal Velocity Model is a minimal model formulated with Newtonian equation of particles in nonlinear asymmetric interaction with dissipative (viscous) term. Through the investigations of OV model we show the general properties in such systems: The inseparable relation between the asymmetry and dissipation. The particle-number N (or density) is a control parameter for the instability of a system. The small-N is large enough degree of freedom in such many-particle systems. They contrast sharply with the energy-momentum conserved systems.
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