Line data    Source code

       1             : /********************************************************************/
       2             : /*                  SOFTWARE COPYRIGHT NOTIFICATION                 */
       3             : /*                             Cardinal                             */
       4             : /*                                                                  */
       5             : /*                  (c) 2021 UChicago Argonne, LLC                  */
       6             : /*                        ALL RIGHTS RESERVED                       */
       7             : /*                                                                  */
       8             : /*                 Prepared by UChicago Argonne, LLC                */
       9             : /*               Under Contract No. DE-AC02-06CH11357               */
      10             : /*                With the U. S. Department of Energy               */
      11             : /*                                                                  */
      12             : /*             Prepared by Battelle Energy Alliance, LLC            */
      13             : /*               Under Contract No. DE-AC07-05ID14517               */
      14             : /*                With the U. S. Department of Energy               */
      15             : /*                                                                  */
      16             : /*                 See LICENSE for full restrictions                */
      17             : /********************************************************************/
      18             : 
      19             : #ifdef ENABLE_NEK_COUPLING
      20             : 
      21             : #include "NekViscousSurfaceForce.h"
      22             : 
      23             : registerMooseObject("CardinalApp", NekViscousSurfaceForce);
      24             : 
      25             : InputParameters
      26          26 : NekViscousSurfaceForce::validParams()
      27             : {
      28          26 :   InputParameters params = NekSidePostprocessor::validParams();
      29          52 :   MooseEnum comp("x y z total", "total");
      30          52 :   params.addParam<MooseEnum>(
      31             :       "component",
      32             :       comp,
      33             :       "Component of viscous force to compute. 'total' takes the magnitude of the viscous force, "
      34             :       "while 'x', 'y', or 'z' return individual components.");
      35          26 :   params.addClassDescription("Viscous force that the fluid exerts on a surface");
      36          26 :   return params;
      37          26 : }
      38             : 
      39           9 : NekViscousSurfaceForce::NekViscousSurfaceForce(const InputParameters & parameters)
      40          18 :   : NekSidePostprocessor(parameters), _component(getParam<MooseEnum>("component"))
      41             : {
      42           9 :   if (_pp_mesh != nek_mesh::fluid)
      43           1 :     mooseError("The 'NekViscousSurfaceForce' postprocessor can only be applied to the fluid mesh "
      44             :                "boundaries!\n"
      45             :                "Please change 'mesh' to 'fluid'.");
      46             : 
      47           8 :   if (_nek_problem->nondimensional())
      48           0 :     mooseError("The NekViscousSurfaceForce object is missing the implementation to convert the "
      49             :                "non-dimensional viscous drag to dimensional form. Please contact the developers if "
      50             :                "this is impacting your analysis.");
      51           8 : }
      52             : 
      53             : Real
      54         804 : NekViscousSurfaceForce::getValue() const
      55             : {
      56         804 :   if (_component == "total")
      57             :   {
      58         804 :     nrs_t * nrs = (nrs_t *)nekrs::nrsPtr();
      59         804 :     auto o_Sij = platform->o_memPool.reserve<dfloat>(2 * nrs->NVfields * nrs->fieldOffset);
      60         804 :     postProcessing::strainRate(nrs, true, nrs->o_U, o_Sij);
      61             : 
      62         804 :     occa::memory o_b = platform->device.malloc<int>(_boundary.size(), _boundary.data());
      63         804 :     const auto drag = postProcessing::viscousDrag(nrs, _boundary.size(), o_b, o_Sij);
      64         804 :     o_Sij.free();
      65         804 :     return drag;
      66         804 :   }
      67             :   else
      68           0 :     mooseError("x, y, and z components of viscous drag not currently supported. Please contact "
      69             :                "developers if this is affecting your analysis needs.");
      70             : }
      71             : 
      72             : #endif