Added isogeometric module #18
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The main contribution to the repository is the implementation of the IsoGeometric Analysis discretization methods. Most of the code is located in the following folders:
fdaPDE/src/fields: contains the implementation of thespline.handnurbs.h, which implement single B-Spline and NURBS fields, respectively.fdaPDE/src/splines: contains the implementation of Spline utilities.fdaPDE-core/src/nurbs: contains the implementation of NURBS utilities.fdaPDE-core/src/geometry: containsisomesh.h, the implementation of the main class for the IGA discretization method.fdaPDE-core/src/isogeometric: contains the implementation of the PDE solver for the IGA method, written in the style of the already implemented FE.The folder
iso_testscontains some tests used to verify the correctness of the code, and the foldersimulationscontains some examples of PDE resolution.