Modeling of Complex Properties of Vacuum Packed Particles Using Evolutionary Algorithms
A conglomerate, composed of granular materials encapsulated in a tight, flexible envelope, and submitted to an internal underpressure, changes its properties in the function of the vacuum range. The underpressure level, controlled by a vacuum pump, enables controlling the behavior of such a medium. This particular ability could be useful in some specific applications.
In this paper authors consider different mathematical formulations for description of nonlinear properties of Vacuum Packed Particles. Basing on various experimental tests such as compression tests with different strain rates or stress relaxation tests the authors discuss the encountered problems in defining a global rheological model for considered extraordinary materials.
KeywordsGenetic algorithms Vacuum Packed Particles Experiments Modeling
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