Contact forces in regular 3D granular pile

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作者：
Lab. Phys. Mecan. Milieux H., UMR CNRS 7636, Ecl. Phys. Chim. I., Paris Cedex, France [1 ]
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来源：
Phys A | / 3卷 / 455-462期
关键词：
Dynamics - Granular materials - Interfaces (materials);
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摘要：
We present exact results for the contact forces in a three dimensional static piling of identical, stiff and frictionless spheres. The pile studied is a pyramid of equilateral triangular base (`stack of cannonballs') with a FCC (face centered cubic) structure. We show in particular that, as for the two dimensional case, the pressure on the base of such a pile is uniform.
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