navier_stokes_blocks/testsuite/nonlinear_steady_navier_stokes/boundaryConditions.hpp

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/*!
 *  @file
 *  @brief File containing the boundary conditions for the Monolithic Test
 *
 *  @date 2009-04-09
 *  @author Davide Forti <davide.forti@epfl.ch>
 *
 *  Contains the functions to be assigned as boundary conditions, in the file boundaryConditions.hpp . The functions
 *  can depend on time and space, while they can take in input an ID specifying one of the three principal axis
 *  if the functions to assign is vectorial and the boundary condition is of type \c Full \c.
 */

#ifndef BCNS_HPP
#define BCNS_HPP

// LifeV includes
#include <lifev/core/LifeV.hpp>
#include <lifev/core/fem/BCHandler.hpp>

#include "ud_functions.hpp"

#define INLET       2

#define WALL        1

#define OUTLET      3

namespace LifeV
{

typedef std::shared_ptr<BCHandler> bcPtr_Type;

bcPtr_Type BCh_fluid ()
{
    BCFunctionBase zero_function (fZero);

    BCFunctionBase inflow_function_cyl (inflow_cyl);

    bcPtr_Type bc (new BCHandler );

    bc->addBC ("Inlet", INLET, Essential, Full, inflow_function_cyl, 3); // Inflow velocity

    bc->addBC ("Wall",  WALL,  Essential, Full, zero_function, 3);   // Zero velocity lateral walls

    bc->addBC ("Outflow",  OUTLET,  Natural, Normal, zero_function); // Homogeneous Neumann

    return bc;
}

}

#endif