Heaping Instabilities in Vertically Shaken Sand

R. R. Hartley, R. P. Behringer

Duke University Department of Physics &
Center for Nonlinear and Complex Studies (CNCS)

http://www.phy.duke.edu/~hartley/research/

Supported by NSF grant DMR-9802602,
NSF grant DMS-9803305,
& NASA grant NAG3-1917.

Slides for the DFD '99 APS Meeting

Note: many of these slides are zipped versions of the Adobe Acrobat PDF file, created from the original postscript with the linux ps2pdf utility. You will need some version of pkunzip and Adobe's wonderful Acrobat Reader to decode and view these images.

Theoretical Background/ Motivation (28kb)
Experimental Setup (32kb)
Heap Formation (15kb)
Slope v. Time Comparision for different sands (21kb)
Typical Convection Patterns (829kb)
PIV Velocity Field Averages (94kb)
Spacetime Plots of G=1.10, Rough Sand (163kb)
Heaping of G=1.30, Rough Sand (227kb)
Conclusions (html)

Other research interests. - My main home page