0020832: EDF 1359 SMESH : Automatic meshing of boundary layers

+	StdMeshers_ViscousLayers.hxx

src/StdMeshers/Makefile.am

@@ -75,7 +75,8 @@ salomeinclude_HEADERS = \
 	StdMeshers_HexaFromSkin_3D.hxx \
 	StdMeshers_ImportSource.hxx \
 	StdMeshers_Import_1D.hxx \
-	StdMeshers_Import_1D2D.hxx
+	StdMeshers_Import_1D2D.hxx \
+	StdMeshers_ViscousLayers.hxx
 
 # Libraries targets
 
@@ -129,7 +130,8 @@ dist_libStdMeshers_la_SOURCES = \
 	StdMeshers_HexaFromSkin_3D.cxx \
 	StdMeshers_ImportSource.cxx \
 	StdMeshers_Import_1D.cxx \
-	StdMeshers_Import_1D2D.cxx
+	StdMeshers_Import_1D2D.cxx \
+	StdMeshers_ViscousLayers.cxx
 
 
 # additionnal information to compil and link file

src/StdMeshers/StdMeshers_ViscousLayers.hxx

@@ -0,0 +1,94 @@
+//  Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License.
+//
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File      : StdMeshers_ViscousLayers.hxx
+// Created   : Wed Dec  1 15:15:34 2010
+// Author    : Edward AGAPOV (eap)
+
+#ifndef __StdMeshers_ViscousLayers_HXX__
+#define __StdMeshers_ViscousLayers_HXX__
+
+#include "SMESH_StdMeshers.hxx"
+
+#include "SMESH_Hypothesis.hxx"
+#include "SMESH_ProxyMesh.hxx"
+
+#include <vector>
+
+/*!
+ * \brief Hypothesis defining parameters of viscous layers
+ */
+class STDMESHERS_EXPORT StdMeshers_ViscousLayers : public SMESH_Hypothesis
+{
+public:
+  StdMeshers_ViscousLayers(int hypId, int studyId, SMESH_Gen* gen);
+
+  // Set faces to exclude from treatment
+  void SetIgnoreFaces(const std::vector<int>& faceIds);
+  std::vector<int> GetIgnoreFaces() const { return _ignoreFaceIds; }
+
+  // Set total thickness of layers of prisms
+  void SetTotalThickness(double thickness);
+  double GetTotalThickness() const { return _thickness; }
+
+  // Set number of layers of prisms
+  void SetNumberLayers(int nb);
+  int GetNumberLayers() const { return _nbLayers; }
+
+  // Set factor (>1.0) of growth of layer thickness towards inside of mesh
+  void SetStretchFactor(double factor);
+  double GetStretchFactor() const { return _stretchFactor; }
+
+  // Computes temporary 2D mesh to be used by 3D algorithm.
+  // Return SMESH_ProxyMesh for each SOLID in theShape
+  SMESH_ProxyMesh::Ptr Compute(SMESH_Mesh&         theMesh,
+                               const TopoDS_Shape& theShape,
+                               const bool          toMakeN2NMap=false) const;
+
+  virtual std::ostream & SaveTo(std::ostream & save);
+  virtual std::istream & LoadFrom(std::istream & load);
+
+  /*!
+   * \brief Initialize my parameter values by the mesh built on the geometry
+    * \param theMesh - the built mesh
+    * \param theShape - the geometry of interest
+    * \retval bool - true if parameter values have been successfully defined
+    *
+    * Just return false as this hypothesis does not have parameters values
+   */
+  virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh, const TopoDS_Shape& theShape);
+
+  /*!
+   * \brief Initialize my parameter values by default parameters.
+   *  \retval bool - true if parameter values have been successfully defined
+   */
+  virtual bool SetParametersByDefaults(const TDefaults& dflts, const SMESH_Mesh* theMesh=0)
+  { return false; }
+
+  static const char* GetHypType() { return "ViscousLayers"; }
+
+ private:
+
+  std::vector<int> _ignoreFaceIds;
+  int              _nbLayers;
+  double           _thickness;
+  double           _stretchFactor;
+};
+
+#endif