cluster aggregation

cluster aggregation

[′kləs·tər ‚ag·rə′gā·shən]
(physics)
A mathematical model of a coagulation process in which a collection of particles all move randomly at once, and two particles, or a particle and a previously formed cluster, stick together whenever they come within a certain fixed distance of each other.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In this regard, it is well established that at low salt concentrations solid particles tend to form compact aggregates (reaction limited cluster aggregation, RCLA regime) with a fractal coefficient ([d.sub.f]) near 2.1, while at higher ionic strength they tend to form open structures with a fractal coefficient of 1.7 (diffusion limited cluster aggregation, DLCA; Lin et al.
Using the Porter cluster aggregation scheme, IBRC researchers estimated output, employment and total value added multipliers for a five-county region in south central Indiana (4) together with the state of Indiana and the entire nation.
For the three members of the group, the pretreatment process is similar to the private data based on cluster aggregation scheme.