Rock drillbit design involves selecting the cone geometry and the shape and layout of the cutting structures. The cone design predetermines the kinematics of the cutting structure and the bottomhole ...
We discuss some extremality issues concerning the circumradius, the inradius, and the condition number of a closed convex cone in Rn. The condition number refers to the ratio between the circumradius ...
Ten ‘cones’ rise from ground level to support the exhibition concourse of the museum at Wolfsburg. Each cone is a unique, irregular arrangement of canted walls punctuated with large openings.
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