diff --git a/python/swig/solid_mechanics_model.i b/python/swig/solid_mechanics_model.i
index b4c8f2c31..b7a332407 100644
--- a/python/swig/solid_mechanics_model.i
+++ b/python/swig/solid_mechanics_model.i
@@ -1,204 +1,204 @@
 
 /**
  * @file   solid_mechanics_model.i
  *
  * @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
  * @author Fabian Barras <fabian.barras@epfl.ch>
  * @author Nicolas Richart <nicolas.richart@epfl.ch>
  *
  * @date creation: Fri Dec 12 2014
  * @date last modification: Wed Jan 06 2016
  *
  * @brief  solid mechanics model wrapper
  *
  * @section LICENSE
  *
  * Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
  * (LSMS - Laboratoire de Simulation en Mécanique des Solides)
  *
  * Akantu 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 3 of the License, or (at your option) any
  * later version.
  *
  * Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
  *
  */
 
 %{
   #include "model_options.hh"
   #include "solid_mechanics_model.hh"
   #include "sparse_matrix.hh"
   #include "boundary_condition.hh"
   #include "boundary_condition_functor.hh"
   #include "boundary_condition_python_functor.hh"
   #include "material_selector.hh"
   #include "material_python.hh"
 %}
 
 namespace akantu {
   %ignore SolidMechanicsModel::initFEEngineBoundary;
   %ignore SolidMechanicsModel::initParallel;
   %ignore SolidMechanicsModel::initArrays;
   %ignore SolidMechanicsModel::initModel;
   %ignore SolidMechanicsModel::initPBC;
   %ignore SolidMechanicsModel::initExplicit;
   %ignore SolidMechanicsModel::isExplicit;
   %ignore SolidMechanicsModel::updateCurrentPosition;
   %ignore SolidMechanicsModel::updateAcceleration;
   %ignore SolidMechanicsModel::updateIncrement;
   %ignore SolidMechanicsModel::updatePreviousDisplacement;
   %ignore SolidMechanicsModel::saveStressAndStrainBeforeDamage;
   %ignore SolidMechanicsModel::updateEnergiesAfterDamage;
   %ignore SolidMechanicsModel::solveLumped;
   %ignore SolidMechanicsModel::explicitPred;
   %ignore SolidMechanicsModel::explicitCorr;
   %ignore SolidMechanicsModel::initSolver;
   %ignore SolidMechanicsModel::initImplicit;
   %ignore SolidMechanicsModel::initialAcceleration;
   %ignore SolidMechanicsModel::testConvergence;
   %ignore SolidMechanicsModel::testConvergenceIncrement;
   %ignore SolidMechanicsModel::testConvergenceResidual;
   %ignore SolidMechanicsModel::initVelocityDampingMatrix;
   %ignore SolidMechanicsModel::getNbData;
   %ignore SolidMechanicsModel::packData;
   %ignore SolidMechanicsModel::unpackData;
   %ignore SolidMechanicsModel::setMaterialSelector;
   %ignore SolidMechanicsModel::getSolver;
   %ignore SolidMechanicsModel::getSynchronizer;
   %ignore Dumpable::registerExternalDumper;
   %ignore Material::onNodesAdded;
   %ignore Material::onNodesRemoved;
   %ignore Material::onElementsAdded;
   %ignore Material::onElementsRemoved;
   %ignore Material::onElementsChanged;
 
   %template(SolidMechanicsBoundaryCondition) BoundaryCondition<SolidMechanicsModel>;
 }
 
 %include "dumpable.hh"
 
 print_self(SolidMechanicsModel)
 
 %include "material.i"
 %include "model_options.hh"
 %include "solid_mechanics_model.hh"
 
 
 %inline %{
   namespace akantu{
     void registerNewPythonMaterial(PyObject * obj, const akantu::ID & mat_type) {
 
 
       MaterialFactory::getInstance().registerAllocator(
           mat_type,
           [obj](UInt, const ID &, SolidMechanicsModel & model,
                 const ID & id) -> std::unique_ptr<Material>
           {
             return std::make_unique<MaterialPython>(model, obj, id);
           }
         );
     }
   }
 %}
 
 %extend akantu::SolidMechanicsModel {
   /* ------------------------------------------------------------------------ */
   void setPhysicalNamesMaterialSelector(){
     AKANTU_EXCEPTION("API change: This method needs to be fixed.");
     /* akantu::MeshDataMaterialSelector<std::string> * selector = new */
     /*   akantu::MeshDataMaterialSelector<std::string>("physical_names", *self); */
     /* self->setMaterialSelector(*selector); */
   }
   
   /* ------------------------------------------------------------------------ */
   void getResidual() {
     AKANTU_EXCEPTION("Deprecated function. You should replace:\n"
                      "model.getResidual()\n"
                      "with\n"
                      "model.getInternalForce()\n");
   }
 
   void registerNewPythonMaterial(PyObject * obj, const akantu::ID & mat_type) {
     AKANTU_EXCEPTION("Deprecated function. You should replace:\n"
                      "model.registerNewPythonMaterial(obj, mat_id)\n"
                      "with\n"
                      "akantu.registerNewPythonMaterial(obj, mat_id)\n\n"
                      "This MUST be done before instanciating the model.");
 
       /* std::pair<akantu::Parser::const_section_iterator, */
     /*           akantu::Parser::const_section_iterator> */
     /*     sub_sect = akantu::getStaticParser().getSubSections(akantu::_st_material); */
 
     /* akantu::Parser::const_section_iterator it = sub_sect.first; */
     /* for (; it != sub_sect.second; ++it) { */
     /*   if (it->getName() == mat_type) { */
 
     /*     AKANTU_DEBUG_ASSERT($self->materials_names_to_id.find(mat_type) == */
     /*                         $self->materials_names_to_id.end(), */
     /*                         "A material with this name '" */
     /*                         << mat_type << "' has already been registered. " */
     /*                         << "Please use unique names for materials"); */
 
     /*     UInt mat_count = $self->materials.size(); */
     /*     $self->materials_names_to_id[mat_type] = mat_count; */
 
     /*     std::stringstream sstr_mat; */
     /*     sstr_mat << $self->getID() << ":" << mat_count << ":" << mat_type; */
     /*     akantu::ID mat_id = sstr_mat.str(); */
 
     /*     akantu::Material * material = new akantu::MaterialPython(*$self, obj, mat_id); */
     /*     $self->materials.push_back(material); */
 
     /*     material->parseSection(*it); */
     /*   } */
     /* } */
   }
 
   /* ------------------------------------------------------------------------ */
   void updateResidual() {
     AKANTU_EXCEPTION("Deprecated function. You should replace:\n"
                      "model.updateResidual()\n"
                      "with\n"
                      "model.assembleInternalForces()\n\n"
                      "beware that the total nodal force is your responsability to compute"
                      " since it is now handled by the solver.");    
   }
   
   /* ------------------------------------------------------------------------ */
   void applyDirichletBC(PyObject * func_obj, const std::string & group_name) {
     akantu::BC::PythonFunctorDirichlet functor(func_obj);
     $self->applyBC(functor, group_name);
   }
 
   /* ------------------------------------------------------------------------ */
   void applyNeumannBC(PyObject * func_obj, const std::string & group_name) {
     akantu::BC::PythonFunctorNeumann functor(func_obj);
     $self->applyBC(functor, group_name);
   }
 
   /* ------------------------------------------------------------------------ */
   void applyUniformPressure(Real pressure, const std::string surface_name) {
     UInt spatial_dimension = $self->getSpatialDimension();
     akantu::Matrix<akantu::Real> surface_stress(spatial_dimension,
                                                 spatial_dimension, 0.0);
 
     for (UInt i = 0; i < spatial_dimension; ++i) {
       surface_stress(i, i) = -pressure;
     }
     $self->applyBC(akantu::BC::Neumann::FromStress(surface_stress),
                    surface_name);
   }
 
   /* ------------------------------------------------------------------------ */
-  void blockDOF(const std::string surface_name, SpacialDirection direction) {
+  void blockDOF(const std::string surface_name, SpatialDirection direction) {
     $self->applyBC(akantu::BC::Dirichlet::FixedValue(0.0, direction),
                    surface_name);
   }
 }