The system of equations which represents
the mathematical model describing fluid streams over complex geometries
can only be solved by means of complicate numerical techniques which
give reasonably accurate approximations of the real, physical involved
phenomena. Volume (and surface) discretization by means of suitable ‘’grids’’ is
a fundamental, preliminary step before any computation and often requires
skills and time in order to generate high quality meshes with size that
can reach the order of many millions of elements.

*(Image courtesy of CMCS (Chair of Modeling and Scientific Computing-EPFL-Lausanne))*

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