The open source CFD toolbox
objectiveNutSqr.H
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24 You should have received a copy of the GNU General Public License
25 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
26
27
28Class
29 Foam::objectives::objectiveNutSqr
30
31Description
32 Objective qualitatively quantifying noise through the integral of the
33 squared turbulent viscosity over specified cellZones. Requires the adjoint
34 to the turbulence model to be incorporated into the optimisation loop.
35
36 Reference:
37 \verbatim
38 Objective function initially presented in
39
40 Papoutsis-Kiachagias, E. M., Magoulas, N., Mueller, J., Othmer, C.,
41 & Giannakoglou, K. C. (2015).
42 Noise reduction in car aerodynamics using a surrogate objective
43 function and the continuous adjoint method with wall functions.
44 Computers & Fluids, 122(20), 223-232.
45 https://doi.org/10.1016/j.compfluid.2015.09.002
46 \endverbatim
47
48SourceFiles
49 objectiveNutSqrNoise.C
50
51\*---------------------------------------------------------------------------*/
52
53#ifndef objectiveNutSqr_H
54#define objectiveNutSqr_H
55
57
58// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
59
60namespace Foam
61{
62
63namespace objectives
64{
65
66/*---------------------------------------------------------------------------*\
67 Class objectiveNutSqr Declaration
68\*---------------------------------------------------------------------------*/
71:
73{
74 // Private data
75
76 //- Where to define the objective
77 labelList zones_;
78
79
80public:
81
82 //- Runtime type information
83 TypeName("nutSqr");
84
85
86 // Constructors
87
88 //- From components
90 (
91 const fvMesh& mesh,
92 const dictionary& dict,
94 const word& primalSolverName
95 );
96
97
98 //- Destructor
99 virtual ~objectiveNutSqr() = default;
100
101
102 // Member Functions
103
104 //- Return the objective function value
105 scalar J();
106
107 //- Update field to be added to the adjoint turbulence model PDE
108 // The equivalent for the second turbulence model variable should
109 // be implemented for turbulence models other than SA
110 void update_dJdTMvar1();
111
112 //- Update field to be added to be added to volume-based
113 //- sensitivity derivatives, emerging from delta ( dV ) / delta b
115};
116
117
118// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
119
120} // End namespace objectiveNutSqrNoise
121} // End namespace Foam
122
123// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
124
125#endif
126
127// ************************************************************************* //
A list of keyword definitions, which are a keyword followed by a number of values (eg,...
Definition: dictionary.H:126
Mesh data needed to do the Finite Volume discretisation.
Definition: fvMesh.H:91
Abstract base class for objective functions in incompressible flows.
const dictionary & dict() const
Return objective dictionary.
Definition: objective.C:94
Objective qualitatively quantifying noise through the integral of the squared turbulent viscosity ove...
scalar J()
Return the objective function value.
void update_dJdTMvar1()