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ShallowWaterSolver.cpp File Reference
#include <SolverUtils/EquationSystem.h>
#include <LibUtilities/BasicUtils/SessionReader.h>
Include dependency graph for ShallowWaterSolver.cpp:

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Functions

int main (int argc, char *argv[])
 

Function Documentation

int main ( int  argc,
char *  argv[] 
)

Definition at line 43 of file ShallowWaterSolver.cpp.

References ASSERTL0, Nektar::LibUtilities::NekFactory< tKey, tBase, >::CreateInstance(), and Nektar::SolverUtils::GetEquationSystemFactory().

44 {
45  // Create session reader.
47  session = LibUtilities::SessionReader::CreateInstance(argc, argv);
48 
49  time_t starttime, endtime;
50  NekDouble CPUtime;
52 
53  // Record start time.
54  time(&starttime);
55 
56  // Create instance of module to solve the equation specified in the session.
57  try
58  {
60  session->GetSolverInfo("EQTYPE"), session);
61  }
62  catch (int e)
63  {
64  ASSERTL0(e == -1, "No such solver class defined.");
65  }
66 
67  // Print a summary of solver and problem parameters and initialise the
68  // solver.
69  equ->PrintSummary(cout);
70  equ->DoInitialise();
71 
72  // Solve the problem.
73  equ->DoSolve();
74 
75  // Record end time.
76  time(&endtime);
77  CPUtime = (1.0/60.0/60.0)*difftime(endtime,starttime);
78 
79  // Write output to .fld file
80  equ->Output();
81 
82  // Evaluate and output computation time and solution accuracy.
83  // The specific format of the error output is essential for the
84  // regression tests to work.
85  cout << "-------------------------------------------" << endl;
86  cout << "Total Computation Time = " << CPUtime << " hr." << endl;
87 
88 
89  for(int i = 0; i < equ->GetNvariables(); ++i)
90  {
91  cout << "L 2 error (variable " << equ->GetVariable(i) << "): " << equ->L2Error(i,true) << endl;
92  cout << "L inf error (variable " << equ->GetVariable(i) << "): " << equ->LinfError(i) << endl;
93  }
94 
95  session->Finalise();
96 }
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:161
tBaseSharedPtr CreateInstance(tKey idKey BOOST_PP_COMMA_IF(MAX_PARAM) BOOST_PP_ENUM_BINARY_PARAMS(MAX_PARAM, tParam, x))
Create an instance of the class referred to by idKey.
Definition: NekFactory.hpp:162
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
boost::shared_ptr< EquationSystem > EquationSystemSharedPtr
A shared pointer to an EquationSystem object.
double NekDouble
EquationSystemFactory & GetEquationSystemFactory()