FormulaHelpers.h

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// This file is part of the MercuryDPM project (https://www.mercurydpm.org).
// Copyright (c), The MercuryDPM Developers Team. All rights reserved.
// License: BSD 3-Clause License; see the LICENSE file in the root directory.
 
#ifndef MERCURYDPM_FORMULA_HELPERS_H
#define MERCURYDPM_FORMULA_HELPERS_H
 
#include "GeneralDefine.h"
#include "Math/ExtendedMath.h"
 
namespace helpers
{
    struct KAndDisp
    {
        Mdouble k;
        Mdouble disp;
    };
 
    struct KAndDispAndKtAndDispt
    {
        Mdouble k;
        Mdouble disp;
        Mdouble kt;
        Mdouble dispt;
    };
 
    MERCURYDPM_DEPRECATED
    KAndDispAndKtAndDispt
    computeDisptFromCollisionTimeAndRestitutionCoefficientAndTangentialRestitutionCoefficientAndEffectiveMass(
            Mdouble tc, Mdouble r, Mdouble beta, Mdouble mass);
 
    MERCURYDPM_DEPRECATED
    Mdouble getMaximumVelocity(Mdouble k, Mdouble disp, Mdouble radius, Mdouble mass);
 
    Mdouble getEffectiveMass(Mdouble mass0, Mdouble mass1);
 
    Mdouble getRayleighTime(Mdouble radius, Mdouble shearModulus, Mdouble poisson, Mdouble density);
 
    unsigned int getSaveCountFromNumberOfSavesAndTimeMaxAndTimeStep(unsigned int numberOfSaves, Mdouble timeMax, Mdouble timeStep);
 
    Mdouble getShearModulus(Mdouble youngsModulus, Mdouble poisson);
}
 
#endif // MERCURYDPM_FORMULA_HELPERS_H