ExtractCriticalLayer.cpp File Reference

#include <cstdio>
#include <cstdlib>
#include <MultiRegions/ExpList.h>
#include <SpatialDomains/MeshGraphIO.h>
#include "ExtractCriticalLayerFunctions.h"

Go to the source code of this file.

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

Function Documentation

main()

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

Definition at line 46 of file ExtractCriticalLayer.cpp.

{
    int i;
    NekDouble cr = 0;
 
    if (argc != 3)
    {
        fprintf(stderr,
                "Usage: ./ExtractCriticalLayer  meshfile fieldfile  \n");
        exit(1);
    }
 
    //------------------------------------------------------------
    // Create Session file.
    LibUtilities::SessionReaderSharedPtr vSession =
        LibUtilities::SessionReader::CreateInstance(argc, argv);
    //-----------------------------------------------------------
 
    //-------------------------------------------------------------
    // Read in mesh from input file
    SpatialDomains::MeshGraphSharedPtr graphShPt =
        SpatialDomains::MeshGraphIO::Read(vSession);
    //------------------------------------------------------------
 
    //-------------------------------------------------------------
    // Define Streak Expansion
    MultiRegions::ExpListSharedPtr streak;
 
    streak = MemoryManager<MultiRegions::ExpList>::AllocateSharedPtr(vSession,
                                                                     graphShPt);
    //---------------------------------------------------------------
 
    //----------------------------------------------
    // Import field file.
    string fieldfile(argv[argc - 1]);
    vector<LibUtilities::FieldDefinitionsSharedPtr> fielddef;
    vector<vector<NekDouble>> fielddata;
    LibUtilities::Import(fieldfile, fielddef, fielddata);
    //----------------------------------------------
 
    //----------------------------------------------
    // Copy data from field file
    string streak_field("w");
    for (unsigned int i = 0; i < fielddata.size(); ++i)
    {
        streak->ExtractDataToCoeffs(fielddef[i], fielddata[i], streak_field,
                                    streak->UpdateCoeffs());
    }
    //----------------------------------------------
 
    int npts;
    vSession->LoadParameter("NumCriticalLayerPts", npts, 30);
    Array<OneD, NekDouble> x_c(npts);
    Array<OneD, NekDouble> y_c(npts);
 
    NekDouble trans;
    vSession->LoadParameter("WidthOfLayers", trans, 0.1);
 
    Computestreakpositions(streak, x_c, y_c, cr, trans);
 
    cout << "# x_c y_c" << endl;
    for (i = 0; i < npts; ++i)
    {
        fprintf(stdout, "%12.10lf %12.10lf \n", x_c[i], y_c[i]);
        // cout << x_c[i] << " " << y_c[i] << endl;
    }
}

References Computestreakpositions(), and Nektar::LibUtilities::Import().