packing of sphere
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Packing — may refer to:In Mechanical engineering: * Packing, also known as an O ring or other type of Seal (mechanical), a term for a sealing material * Packing gland is a mechanical term for the groove in which a packing sits.In Mathematics: * Sphere… … Wikipedia
Sphere packing — In mathematics, sphere packing problems are problems concerning arrangements of non overlapping identical spheres which fill a space. Usually the space involved is three dimensional Euclidean space. However, sphere packing problems can be… … Wikipedia
Packing problem — Part of a series on Puzzles … Wikipedia
Circle packing theorem — Example of the circle packing theorem on K5, the complete graph on five vertices, minus one edge. The circle packing theorem (also known as the Koebe–Andreev–Thurston theorem) describes the possible tangency relations between circles in the plane … Wikipedia
Close-packing of spheres — hcp and fcc close packing of spheres In geometry, close packing of spheres is a dense arrangement of equal spheres in an infinite, regular arrangement (or lattice). Carl Friedrich Gauss proved that the highest average density – that is, the… … Wikipedia
Circle packing — This article describes the packing of circles on surfaces. For the related article on circle packing with a prescribed intersection graph, please see the circle packing theorem. The most efficient way to pack different sized circles together is… … Wikipedia
Apollonian sphere packing — is the three dimensional equivalent of the Apollonian gasket. The principle of construction is very similar: if you have any four spheres which are cotangent to each other, it is then possible to construct two more spheres which are cotangent to… … Wikipedia
n-sphere — 2 sphere wireframe as an orthogonal projection Just as a … Wikipedia
Atomic packing factor — In crystallography, atomic packing factor (APF) or packing fraction is the fraction of volume in a crystal structure that is occupied by atoms. It is dimensionless and always less than unity. For practical purposes, the APF of a crystal structure … Wikipedia
Atomic packing factor — Compacité (cristallographie) Pour les articles homonymes, voir Compacité. En cristallographie, la compacité (ou taux de remplissage) d un édifice cristallin, dans le modèle des sphères dures, est le rapport du volume total des sphères d une… … Wikipédia en Français
atomic packing factor — the fraction of the volume of a unit cell that is occupied by hard sphere atoms or ions … Mechanics glossary
