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The general shape of a 3-D element is __________

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The general shape of a 3-D element is __________

(a) Quadrilateral

(b) Tetrahedral

(c) Polyhedron

(d) Polygon

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The question is from Types of FVM Elements topic in section Finite Volume Methods of Computational Fluid Dynamics

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The correct choice is (c) Polyhedron

Explanation: The number of sides in an element is not restricted. The general shape of a two-dimensional element can be named polygon which can have any number of sides. The same way, the general shape of a three-dimensional element can be named polygon which can have any number of faces.

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