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To find the volume and centroid of a polyhedral, it is divided into ____________

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To find the volume and centroid of a polyhedral, it is divided into ____________

(a) Quadrilaterals

(b) Pyramids

(c) Polygons

(d) Hexahedrons

The question was asked in unit test.

This is a very interesting question from Types of FVM Elements in chapter Finite Volume Methods of Computational Fluid Dynamics

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The correct choice is (b) Pyramids

The explanation: The first step of calculating the volume and centroid of any three-dimensional element is to pyramids. The summation of the volumes of these pyramids is the volume of the whole polyhedron.

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