Goals
Right from the start the main design goal of DUNE was to allow the coupling of new and legacy codes efficiently. This is what sets DUNE apart from other finite element programs.
DUNE is primarily a set of abstract interfaces, which embody concepts from scientific computing. These are mainly intended to be used in finite element and finite volume applications, but also finite difference methods are possible. The central interface is the grid interface. It describes structured and unstructured grids of arbitrary dimension, both with manifold and non-manifold structure. Also, functionality for parallel programming is described. Seven different implementations of the grid interface exist. Four of these are encapsulations of existing grid managers. It is hence possible to directly compare different grid implementations.
Read more about this topic: Dune (software)
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—Johann Wolfgang Von Goethe (1749–1832)