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.
References in periodicals archive ?
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.