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structural_mechanics_model.i
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			%{
			#include "structural_mechanics_model.hh"
			#include "sparse_matrix.hh"
			%}

			namespace akantu {
			%ignore StructuralMechanicsModel::initArrays;
			%ignore StructuralMechanicsModel::initModel;

			%ignore StructuralMechanicsModel::initSolver;
			%ignore StructuralMechanicsModel::initImplicit;

			static void lin_load(double * position, double * load,
			__attribute__ ((unused)) Real * normal,
			__attribute__ ((unused)) UInt surface_id) {

			memset(load,0,sizeof(Real)*3);
			if (position[0]<=10){
			load[1]= -6000;
			}
			}
			}

			%include "dumpable.hh"
			%include "structural_mechanics_model.hh"

			%extend akantu::StructuralMechanicsModel {

			bool solveStep(Real tolerance, UInt max_iteration) {

			return $self->solveStep<akantu::SolveConvergenceMethod::_scm_newton_raphson_tangent, akantu::SolveConvergenceCriteria::_scc_residual>(tolerance, max_iteration);

			}

			void computeForcesFromFunctionBeam2d(BoundaryFunctionType function_type) {

			$self->computeForcesFromFunction<akantu::ElementType::_bernoulli_beam_2>(akantu::lin_load, function_type);

			}
			}