2012-09-11 15:42:55 +00:00
|
|
|
/*---------------------------------------------------------------------------*\
|
|
|
|
========= |
|
|
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
|
|
\\ / O peration |
|
|
|
|
\\ / A nd | Copyright (C) 2004-2007 Hrvoje Jasak
|
|
|
|
\\/ M anipulation |
|
|
|
|
-------------------------------------------------------------------------------
|
|
|
|
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 2 of the License, or (at your
|
|
|
|
option) any later version.
|
|
|
|
|
|
|
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
|
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
|
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, write to the Free Software Foundation,
|
|
|
|
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
|
|
|
|
Description
|
|
|
|
Class describes a multiple body contact problem. Each individual contact
|
|
|
|
is described by a contactPatchPair. contactProblem handles
|
|
|
|
multiple contact updates and sets the boundary conditions on the
|
|
|
|
displacement field.
|
|
|
|
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
#include "contactProblem.H"
|
|
|
|
#include "fvMesh.H"
|
|
|
|
#include "FieldFields.H"
|
|
|
|
#include "solidTractionFvPatchVectorField.H"
|
|
|
|
#include "surfaceFields.H"
|
|
|
|
#include "pointMesh.H"
|
|
|
|
#include "fixedValuePointPatchFields.H"
|
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
namespace Foam
|
|
|
|
{
|
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
defineTypeNameAndDebug(contactProblem, 0);
|
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
// Read constructor given IOobject
|
|
|
|
contactProblem::contactProblem
|
|
|
|
(
|
|
|
|
volVectorField& U
|
|
|
|
)
|
|
|
|
:
|
|
|
|
IOdictionary
|
|
|
|
(
|
|
|
|
IOobject
|
|
|
|
(
|
|
|
|
"contactProperties",
|
|
|
|
U.time().constant(),
|
|
|
|
U.db(),
|
|
|
|
IOobject::MUST_READ,
|
|
|
|
IOobject::NO_WRITE
|
|
|
|
)
|
|
|
|
),
|
|
|
|
contactPatchPairList(),
|
|
|
|
U_(U)
|
|
|
|
{
|
|
|
|
Info << "\nConstructing contact problem" << endl;
|
|
|
|
Info << "\t*************************************************************************************\n"
|
|
|
|
<< "\t** MAKE SURE MASTER AND SLAVE FACE AND POINT ZONES HAVE BEEN DEFINED **\n"
|
|
|
|
<< "\t** To define, use the 'setSet' utility: **\n"
|
|
|
|
<< "\t** faceSet <slaveName>FaceZone new patchToFace <slaveName> **\n"
|
|
|
|
<< "\t** faceSet <masterName>FaceZone new patchToFace <masterName> **\n"
|
|
|
|
<< "\t** pointSet <masterName>PointZone new faceToPoint <masterName>FaceZone all **\n"
|
|
|
|
<< "\t** pointSet <slaveName>PointZone new faceToPoint <slaveName>FaceZone all **\n"
|
|
|
|
<< "\t** Then use the 'setsToZone -noFlipMap' command **\n"
|
|
|
|
<< "\t** For parallel runs, 'globalFaceZones (<slaveName>FaceZone <masterName>FaceZone)' **\n"
|
|
|
|
<< "\t** must be included in the decomposeParDict **\n"
|
|
|
|
<< "\t** <slaveName> and <masterName> are replaced with the slave and master patch names **\n"
|
|
|
|
<< "\t*************************************************************************************"
|
|
|
|
<< endl;
|
|
|
|
|
|
|
|
//- Read contactPatchPairList
|
|
|
|
Istream& is = lookup("contacts");
|
|
|
|
|
|
|
|
PtrList<entry> contactEntries(is);
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
contactPatchPairList& contacts = *this;
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
contacts.setSize(contactEntries.size());
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
forAll(contacts, contactI)
|
|
|
|
{
|
|
|
|
contacts.set
|
|
|
|
(
|
|
|
|
contactI,
|
|
|
|
new contactPatchPair
|
|
|
|
(
|
|
|
|
contactEntries[contactI].keyword(),
|
|
|
|
*this,
|
|
|
|
contactEntries[contactI].dict()
|
|
|
|
)
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
Info << "Contact problem constructed"
|
|
|
|
<< endl;
|
|
|
|
}
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
|
|
|
|
//**********************CORRECT FUNCTION*************************************//
|
|
|
|
void contactProblem::correct()
|
|
|
|
{
|
|
|
|
contactPatchPairList& contacts = *this;
|
|
|
|
|
|
|
|
// Collect patches involved in contact
|
|
|
|
boolList contactPatches(U().boundaryField().size(), false);
|
|
|
|
|
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
contactPatches[contacts[contactI].masterPatch().index()] = true;
|
|
|
|
contactPatches[contacts[contactI].slavePatch().index()] = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Calculate contact trcations
|
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
if(contacts[contactI].contactActive())
|
|
|
|
{
|
|
|
|
contacts[contactI].correct();
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
Info << "\t\t\tContact " << contacts[contactI].name() << " not active" << endl;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//**********************CONTACT AREA FUNCTION***********************************//
|
|
|
|
tmp<volScalarField> contactProblem::contactArea() const
|
|
|
|
{
|
|
|
|
tmp<volScalarField> tca
|
|
|
|
(
|
|
|
|
new volScalarField
|
|
|
|
(
|
|
|
|
IOobject
|
|
|
|
(
|
|
|
|
"contactArea",
|
|
|
|
U().time().timeName(),
|
|
|
|
U().db(),
|
|
|
|
IOobject::NO_READ,
|
|
|
|
IOobject::AUTO_WRITE
|
|
|
|
),
|
|
|
|
mesh(),
|
|
|
|
dimensionedScalar(0)
|
|
|
|
)
|
|
|
|
);
|
|
|
|
|
|
|
|
volScalarField& ca = tca();
|
|
|
|
|
|
|
|
// Set contact area boundary
|
|
|
|
const contactPatchPairList& contacts = *this;
|
|
|
|
|
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
// Get master contact
|
|
|
|
ca.boundaryField()[contacts[contactI].masterPatch().index()] +=
|
|
|
|
contacts[contactI].masterTouchFraction();
|
|
|
|
|
|
|
|
// Get slave contact
|
|
|
|
ca.boundaryField()[contacts[contactI].slavePatch().index()] +=
|
|
|
|
contacts[contactI].slaveTouchFraction();
|
|
|
|
|
|
|
|
//-----------CALCULATE-ACTUAL-CONTACT-AREA--------------//
|
|
|
|
label masterIndex = contacts[contactI].masterPatch().index();
|
|
|
|
label slaveIndex = contacts[contactI].slavePatch().index();
|
|
|
|
scalarField masterFrac = contacts[contactI].masterTouchFraction();
|
|
|
|
scalarField slaveFrac = contacts[contactI].slaveTouchFraction();
|
|
|
|
scalar contactAreaMaster =
|
|
|
|
gSum
|
|
|
|
(
|
|
|
|
masterFrac *
|
|
|
|
mag(
|
|
|
|
mesh().Sf().boundaryField()[masterIndex]
|
|
|
|
)
|
|
|
|
);
|
|
|
|
scalar contactAreaSlave =
|
|
|
|
gSum
|
|
|
|
(
|
|
|
|
slaveFrac *
|
|
|
|
mag(
|
|
|
|
mesh().Sf().boundaryField()[slaveIndex]
|
|
|
|
)
|
2013-07-18 01:02:34 +00:00
|
|
|
);
|
2012-09-11 15:42:55 +00:00
|
|
|
Info << "\nContact area of master patch is: "
|
|
|
|
<< contactAreaMaster << " m^2"
|
|
|
|
<< "\nContact area of slave patch is: "
|
|
|
|
<< contactAreaSlave << " m^2"
|
|
|
|
<< endl << endl;
|
|
|
|
//------------------------------------------------------//
|
|
|
|
}
|
|
|
|
|
|
|
|
return tca;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//tmp<pointScalarField> contactProblem::contactGapPoints() const
|
|
|
|
void contactProblem::contactGapPoints(pointScalarField& cGapPoints)
|
|
|
|
{
|
|
|
|
const contactPatchPairList& contacts = *this;
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
scalarField& cGapPointsInternal = cGapPoints.internalField();
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
scalarField masterGapPoints = contacts[contactI].masterGapPoints();
|
2013-07-18 01:02:34 +00:00
|
|
|
labelList masterBoundaryLabels = mesh().boundaryMesh()[contacts[contactI].masterPatch().index()].meshPoints();
|
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
scalarField slaveGapPoints = contacts[contactI].slaveGapPoints();
|
2013-07-18 01:02:34 +00:00
|
|
|
labelList slaveBoundaryLabels = mesh().boundaryMesh()[contacts[contactI].slavePatch().index()].meshPoints();
|
2012-09-11 15:42:55 +00:00
|
|
|
|
|
|
|
forAll(masterBoundaryLabels, pointI)
|
|
|
|
{
|
|
|
|
cGapPointsInternal[masterBoundaryLabels[pointI]] = masterGapPoints[pointI];
|
|
|
|
}
|
|
|
|
forAll(slaveBoundaryLabels, pointI)
|
|
|
|
{
|
|
|
|
cGapPointsInternal[slaveBoundaryLabels[pointI]] = slaveGapPoints[pointI];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void contactProblem::contactPointForce(pointVectorField& cPointForce)
|
|
|
|
{
|
|
|
|
pointMesh pMesh(mesh());
|
|
|
|
const contactPatchPairList& contacts = *this;
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
vectorField& cPointForceInternal = cPointForce.internalField();
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
vectorField masterContactPointForce = contacts[contactI].masterPointForce();
|
|
|
|
labelList masterBoundaryLabels = pMesh.boundary()[contacts[contactI].masterPatch().index()].meshPoints();
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
vectorField slaveContactPointForce = contacts[contactI].slavePointForce();
|
|
|
|
labelList slaveBoundaryLabels = pMesh.boundary()[contacts[contactI].slavePatch().index()].meshPoints();
|
2013-07-18 01:02:34 +00:00
|
|
|
|
2012-09-11 15:42:55 +00:00
|
|
|
forAll(masterBoundaryLabels, pointI)
|
|
|
|
{
|
|
|
|
cPointForceInternal[masterBoundaryLabels[pointI]] = masterContactPointForce[pointI];
|
|
|
|
}
|
|
|
|
forAll(slaveBoundaryLabels, pointI)
|
|
|
|
{
|
|
|
|
cPointForceInternal[slaveBoundaryLabels[pointI]] = slaveContactPointForce[pointI];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tmp<volScalarField> contactProblem::contactPressure() const
|
|
|
|
{
|
|
|
|
tmp<volScalarField> tcPress
|
|
|
|
(
|
|
|
|
new volScalarField
|
|
|
|
(
|
|
|
|
IOobject
|
|
|
|
(
|
|
|
|
"contactPressure",
|
|
|
|
U().time().timeName(),
|
|
|
|
U().db(),
|
|
|
|
IOobject::NO_READ,
|
|
|
|
IOobject::AUTO_WRITE
|
|
|
|
),
|
|
|
|
mesh(),
|
|
|
|
dimensionedScalar(0)
|
|
|
|
)
|
|
|
|
);
|
|
|
|
|
|
|
|
volScalarField& cPress = tcPress();
|
|
|
|
|
|
|
|
const contactPatchPairList& contacts = *this;
|
|
|
|
|
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
// Get master contact pressure
|
|
|
|
cPress.boundaryField()[contacts[contactI].masterPatch().index()] +=
|
|
|
|
contacts[contactI].masterContactPressure();
|
|
|
|
|
|
|
|
// Get slave contact pressure
|
|
|
|
cPress.boundaryField()[contacts[contactI].slavePatch().index()] +=
|
|
|
|
contacts[contactI].slaveContactPressure();
|
|
|
|
}
|
|
|
|
|
|
|
|
return tcPress;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Return a list of contactPatchPair names
|
|
|
|
wordList contactProblem::names() const
|
|
|
|
{
|
|
|
|
const contactPatchPairList& contacts = *this;
|
|
|
|
|
|
|
|
wordList t(contacts.size());
|
|
|
|
|
|
|
|
forAll (contacts, contactI)
|
|
|
|
{
|
|
|
|
t[contactI] = contacts[contactI].name();
|
|
|
|
}
|
|
|
|
|
|
|
|
return t;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
|
|
|
|
} // End namespace Foam
|
|
|
|
|
|
|
|
// ************************************************************************* //
|