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DriverSteadyState.h
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31 //
32 // Description: Driver class for the stability solver
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_SOLVERUTILS_DRIVERSTEADYSTATE_H
37 #define NEKTAR_SOLVERUTILS_DRIVERSTEADYSTATE_H
38 
39 #include <SolverUtils/Driver.h>
43 
44 namespace Nektar
45 {
46 namespace SolverUtils
47 {
48 
50 {
51 public:
53 
54  /// Creates an instance of this class
56  const LibUtilities::SessionReaderSharedPtr& pSession) {
58  ::AllocateSharedPtr(pSession);
59  p->InitObject();
60  return p;
61  }
62 
63  ///Name of the class
64  static std::string className;
65 
66  void PrintSummarySFD();
67 
68  void ConvergenceHistory(
69  const Array<OneD, const Array<OneD, NekDouble> > &qBar1,
70  const Array<OneD, const Array<OneD, NekDouble> > &q0,
71  NekDouble &MaxNormDiff_q_qBar,
72  NekDouble &MaxNormDiff_q1_q0);
73 
74  void ComputeSFD(
75  const int i,
76  const Array<OneD, const Array<OneD, NekDouble> > &q0,
77  const Array<OneD, const Array<OneD, NekDouble> > &qBar0,
80 
81  void EvalEV_ScalarSFD(
82  const NekDouble &X_input,
83  const NekDouble &Delta_input,
84  const std::complex<NekDouble> &alpha,
85  NekDouble &MaxEV);
86 
88  const std::complex<NekDouble> &alpha,
89  NekDouble &X_output,
90  NekDouble &Delta_output);
91 
92  void ReadEVfile(
93  int &KrylovSubspaceDim,
94  NekDouble &growthEV,
95  NekDouble &frequencyEV);
96 
97  void ComputeOptimization();
98 
99  void SetSFDOperator(
100  const NekDouble X_input,
101  const NekDouble Delta_input);
102 
103 
104 protected:
105  /// Constructor
107  const LibUtilities::SessionReaderSharedPtr pSession);
108 
109  /// Destructor
111 
112  /// Second-stage initialisation
113  SOLVER_UTILS_EXPORT virtual void v_InitObject(std::ostream &out = std::cout);
114 
115  /// Virtual function for solve implementation.
116  SOLVER_UTILS_EXPORT virtual void v_Execute(std::ostream &out = std::cout);
117 
118  static std::string driverLookupId;
119 
120 private:
122  int m_Check;
128 
133  std::ofstream m_file;
134 
135  ///Definition of the SFD parameters:
139 
140  ///Definition of the SFD operator
145 
148 
149  ///For adaptive SFD method
156 };
157 
158 }
159 } //end of namespace
160 
161 
162 #endif //NEKTAR_SOLVERUTILS_DRIVERSTEADYSTATE_H
163 
boost::shared_ptr< Driver > DriverSharedPtr
A shared pointer to a Driver object.
Definition: Driver.h:52
static boost::shared_ptr< DataType > AllocateSharedPtr()
Allocate a shared pointer from the memory pool.
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
void ConvergenceHistory(const Array< OneD, const Array< OneD, NekDouble > > &qBar1, const Array< OneD, const Array< OneD, NekDouble > > &q0, NekDouble &MaxNormDiff_q_qBar, NekDouble &MaxNormDiff_q1_q0)
virtual SOLVER_UTILS_EXPORT void v_InitObject(std::ostream &out=std::cout)
Second-stage initialisation.
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
void ComputeSFD(const int i, const Array< OneD, const Array< OneD, NekDouble > > &q0, const Array< OneD, const Array< OneD, NekDouble > > &qBar0, Array< OneD, Array< OneD, NekDouble > > &q1, Array< OneD, Array< OneD, NekDouble > > &qBar1)
SOLVER_UTILS_EXPORT DriverSteadyState(const LibUtilities::SessionReaderSharedPtr pSession)
Constructor.
void ReadEVfile(int &KrylovSubspaceDim, NekDouble &growthEV, NekDouble &frequencyEV)
void GradientDescentMethod(const std::complex< NekDouble > &alpha, NekDouble &X_output, NekDouble &Delta_output)
double NekDouble
static std::string className
Name of the class.
static DriverSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession)
Creates an instance of this class.
void EvalEV_ScalarSFD(const NekDouble &X_input, const NekDouble &Delta_input, const std::complex< NekDouble > &alpha, NekDouble &MaxEV)
virtual SOLVER_UTILS_EXPORT ~DriverSteadyState()
Destructor.
void SetSFDOperator(const NekDouble X_input, const NekDouble Delta_input)
#define SOLVER_UTILS_EXPORT
NekDouble M11
Definition of the SFD operator.
NekDouble m_Delta
Definition of the SFD parameters:
virtual SOLVER_UTILS_EXPORT void v_Execute(std::ostream &out=std::cout)
Virtual function for solve implementation.
bool FlowPartiallyConverged
For adaptive SFD method.