Packing of Compressible Granular Materials

Details Packing of Compressible Granular Materials Packing of Compressible Granular Materials

2000-02-07

arxiv.org/abs/cond-mat/0002102v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 7 figures, to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.84.4160

3D Computer simulations and experiments are employed to study random packings of compressible spherical grains under external confining stress. Of particular interest is the rigid ball limit, which we describe as a continuous transition in which the applied stress vanishes as (\phi-\phi_c)^\beta, where \phi is the (solid phase) volume density. This transition coincides with the onset of shear rigidity. The value of \phi_c depends, for example, on whether the grains interact via only normal forces (giving rise to random close packings) or by a combination of normal and friction generated transverse forces (producing random loose packings). In both cases, near the transition, the system's response is controlled by localized force chains. As the stress increases, we characterize the system's evolution in terms of (1) the participation number, (2) the average force distribution, and (3) visualization techniques.

Affiliated with

Also associated with

No associations

Rating

Packing of Compressible Granular Materials does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Packing of Compressible Granular Materials, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Packing of Compressible Granular Materials will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-558297