ParticleErosion.H

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::ParticleErosion
 
Description
    Function object to create a field of eroded volume, Q, on a specified list
    of patches. The volume is calculated by the model of Finnie et al. The
    implementation follows the description given by the review of Yadav et al.
 
    References:
    \verbatim
        I Finnie, A Levy, D H McFadden
        "Fundamental Mechanisms of the Erosive Wear of Ductile Metals by Solid
        Particles"
        ASTM STP664, 1979, pages 36-58
    \endverbatim
 
    \verbatim
        I Finnie and D H McFadden
        "On the Velocity Dependence of the Erosion of Ductile Metal by Solid
        Particle at Low Angles of Incidence"
        Wear, 1978, volume 48, pages 181-190
    \endverbatim
 
    \verbatim
        G Yadav, S Tiwari, A Rajput, R Jatola, M L Jain
        "A Review: Erosion Wear Models"
        Emerging Trends in Mechanical Engineering, 2016, volume 1, pages 150-154
    \endverbatim
 
Usage
    \table
        Property    | Description                          | Req'd? | Default
        patches     | The patches on which to calculate Q  | yes    |
        p           | Plastic flow stress                  | yes    |
        psi         | Ratio between depth of contact and length of cut | no | 2
        K           | Ratio of normal and tangential force | no | 2
    \endtable
 
    Example:
    \verbatim
    <functionName>
    {
        type    particleErosion;
        patches (wall1 wall2);
        p       2.7e9;
    }
    \endverbatim
 
SourceFiles
    ParticleErosion.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef ParticleErosion_H
#define ParticleErosion_H
 
#include "CloudFunctionObject.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                       Class ParticleErosion Declaration
\*---------------------------------------------------------------------------*/
 
template<class CloudType>
class ParticleErosion
:
    public CloudFunctionObject<CloudType>
{
    // Private Data
 
        // Typedefs
 
            //- Convenience typedef for parcel type
            typedef typename CloudType::parcelType parcelType;
 
 
        //- Particle eroded volume field
        autoPtr<volScalarField> QPtr_;
 
        //- List of patch indices to post-process
        labelList patchIDs_;
 
        //- Plastic flow stress
        scalar p_;
 
        //- Ratio between depth of contact and length of cut. Default 2.
        scalar psi_;
 
        //- Ratio of normal and tangential forces. Default 2.
        scalar K_;
 
 
protected:
 
    // Protected Member Functions
 
        //- Returns local patchi if patch is in patchIds_ list
        label applyToPatch(const label globalPatchi) const;
 
        //- Write post-processing info
        virtual void write();
 
 
public:
 
    //- Runtime type information
    TypeName("particleErosion");
 
 
    // Constructors
 
        //- Construct from dictionary
        ParticleErosion
        (
            const dictionary& dict,
            CloudType& owner,
            const word& modelName
        );
 
        //- Construct copy
        ParticleErosion(const ParticleErosion<CloudType>& pe);
 
        //- Construct and return a clone
        virtual autoPtr<CloudFunctionObject<CloudType>> clone() const
        {
            return autoPtr<CloudFunctionObject<CloudType>>
            (
                new ParticleErosion<CloudType>(*this)
            );
        }
 
 
    //- Destructor
    virtual ~ParticleErosion();
 
 
    // Member Functions
 
        // Evaluation
 
            //- Pre-evolve hook
            virtual void preEvolve();
 
            //- Post-patch hook
            virtual void postPatch(const parcelType& p, const polyPatch& pp);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "ParticleErosion.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //