Formation of fractal aggregates



 Has anyone out there made a computational exploration of the formation of
 clusters of patricles of fractal dimension formed by the controlled aggregation
 of a stable colloidal system.  I am interested in modelling both the
 coagulation kinetics and the structures formed in these systems.
 Are any of the of the molecular modelling packages capable of being extended to
 include van der Waals attraction, electrostatic repulsion and the
 "hydrophobic"
 force of attraction seen in some surface force measurements?
 Mike Hopper
 Scale Up Engineering Laboratory
 Xerox Research Centre of Canada
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