hexahedron

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hexahedron

(hĕk'səhē`drən): see cubecube,
in geometry, regular solid bounded by six equal squares. All adjacent faces of a cube are perpendicular to each other; any one face of a cube may be its base. The dimensions of a cube are the lengths of the three edges which meet at any vertex.
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; polyhedronpolyhedron
, closed solid bounded by plane faces; each face of a polyhedron is a polygon. A cube is a polyhedron bounded by six polygons (in this case squares) meeting at right angles.
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hexahedron

[‚hek·sə′hē·drən]
(mathematics)
A polyhedron with six faces.
References in periodicals archive ?
This paper studies a model having a density of 8 elements/wheel length having 142908 nodes and 32424 hexahedral elements.
The chosen mesher was Gambit and full height deflectors positioned according to the 2D optimization best case set were used to create a new hybrid mesh of hexahedral and prismatic elements.
Papers on three-dimensional algorithms cover numerical simulation of component vortex flows by MAH-3 code, nondegeneracy conditions for different types of grids, application of optimal grid generation algorithms to the volumes of revolution, an algorithm that constructs optimal grids in domains of the "pipeline" type and conservative remapping on hexahedral meshes.
They used a hexahedral mesh near the breach in order to achieve more accuracy in this critical area.
The element type was 8-node brick elements (linear hexahedral elements).
Hexahedral maps show relatively few interruptions, and when Snyder's arrangement (1992) is used, they resemble more commonly accepted world maps.
Distorted hexahedral elements are widely used in analyzing complex 3-D electromagnetic problems.
In this paper we prove that a through-vertex Hamiltonian cycle exists in any triangular or tetrahedral grid under very mild conditions, and that there exist quadrilateral and hexahedral grids for which no unconstrained Hamiltonian path exists.
These models are obtained through high-resolution imaging of the bone specimens that can be automatically converted into finite element meshes with hexahedral elements.
An unstructured mesh is made up of such elements as tetrahedral pyramids and wedges, in addition to the traditional hexahedral (brick) elements, for greater flexibility, particularly in the case of complicated shapes.
A trimmer mesh with hexahedral template cells was used for both geometries.