hstop_restart.cpp File Reference

#include "SilbertPeriodic.h"

Classes
class	SilbertHstop

Functions
bool	PointIsAboveCurve (Mdouble h, Mdouble a, int study_num)
void	HstopCurve (int study_num, Mdouble h, Mdouble a)
int	main (int argc, char *argv[])

Variables
fstream	ReportFile

Function Documentation

HstopCurve()

void HstopCurve	(	int	study_num,
		Mdouble	h,
		Mdouble	a
	)

{
    cout << "restart at study_num=" << study_num << ", h=" << h << ", a=" << a << endl;
    
    Mdouble hMax = 60; //height at which bisection algorithm stops
    Mdouble dh = 2; //how much I decrease the height after a point is found
    Mdouble da = .5; // how exact I want the angle to be determined
 
    stringstream name;
    name << "Report" << study_num;
    ReportFile.open(name.str().c_str(),fstream::out);
    ReportFile << "height\tangle\tlambda\tmu\tabovemuBottom\tabove\n";
 
    //now increase height gradually; decrease angle if flow starts
    for (; h<hMax; h+=dh) while (PointIsAboveCurve(h,a,study_num)) a-=da;
    
    ReportFile.close();
    return; 
}

References units::name, PointIsAboveCurve(), and ReportFile.

Referenced by main().

main()

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

{
    if (argc>3)
        HstopCurve(atoi(argv[1]),atof(argv[2]),atof(argv[3]));  
    else exit(-1);
}

References HstopCurve().

PointIsAboveCurve()

bool PointIsAboveCurve	(	Mdouble	h,
		Mdouble	a,
		int	study_num
	)

                                                            {
    SilbertHstop problem;
    problem.setInflowHeight(h) ;
    problem.setChuteAngle(a);
    problem.set_study(study_num);
    stringstream name;
    name << "H" << problem.getInflowHeight() 
         << "A" << problem.getChuteAngleDegrees() 
         << "L" << round(100.*problem.getFixedParticleRadius()*2.)/100.
         << "M" << problem.getSlidingFrictionCoefficient()
         << "B" << problem.getSlidingFrictionCoefficientBottom();
    problem.setName(name.str().c_str());
    cout << "starting " << name.str().c_str() << endl;
    problem.solve();
    stringstream com;
    ReportFile   << problem.getInflowHeight() 
         << "\t" << problem.getChuteAngleDegrees() 
         << "\t" << round(100.*problem.getFixedParticleRadius()*2.)/100.
         << "\t" << problem.getSlidingFrictionCoefficient()
         << "\t" << problem.getSlidingFrictionCoefficientBottom()
         << "\t" << problem.pointIsAboveCurve
         << endl;
    return problem.pointIsAboveCurve;
}

References Chute::getChuteAngleDegrees(), Chute::getFixedParticleRadius(), Chute::getInflowHeight(), SilbertPeriodic::getSlidingFrictionCoefficientBottom(), units::name, SilbertHstop::pointIsAboveCurve, ReportFile, helpers::round(), SilbertPeriodic::set_study(), Chute::setChuteAngle(), Chute::setInflowHeight(), DPMBase::setName(), and DPMBase::solve().

Referenced by HstopCurve().

Variable Documentation

ReportFile

fstream ReportFile

Referenced by HstopCurve(), and PointIsAboveCurve().