int idnode9, int idnode10, int idnode11, int idnode12);
void AddPolygonalFace (const int ElementID,
const std::vector<int>& nodes_ids);
+ void AddQuadPolygonalFace (const int ElementID,
+ const std::vector<int>& nodes_ids);
void AddPolyhedralVolume (const int ElementID,
const std::vector<int>& nodes_ids,
const std::vector<int>& quantities);