320 lines
8.4 KiB
C
320 lines
8.4 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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dieselEngineValve
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Description
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SourceFiles
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dieselEngineValve.C
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\*---------------------------------------------------------------------------*/
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#ifndef dieselEngineValve_H
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#define dieselEngineValve_H
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#include "word.H"
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#include "coordinateSystem.H"
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#include "polyPatchID.H"
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#include "graph.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Class forward declarations
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class polyMesh;
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class engineTime;
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/*---------------------------------------------------------------------------*\
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Class dieselEngineValve Declaration
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\*---------------------------------------------------------------------------*/
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class dieselEngineValve
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{
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// Private data
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//- Name of valve
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word name_;
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//- Reference to engine mesh
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const polyMesh& mesh_;
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//- Reference to engine database
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const engineTime& engineDB_;
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//- Coordinate system
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autoPtr<coordinateSystem> csPtr_;
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// Patch and zone names
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//- Valve bottom patch
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polyPatchID bottomPatch_;
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//- Valve poppet patch
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polyPatchID poppetPatch_;
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//- Valve poppet patch
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polyPatchID sidePatch_;
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//- Valve stem patch
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polyPatchID stemPatch_;
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//- Valve curtain manifold patch
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polyPatchID downInPortPatch_;
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//- Valve curtain cylinder patch
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polyPatchID downInCylinderPatch_;
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//- Valve curtain manifold patch
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polyPatchID upInPortPatch_;
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//- Valve curtain cylinder patch
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polyPatchID upInCylinderPatch_;
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//- Valve detach in cylinder patch
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polyPatchID detachInCylinderPatch_;
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//- Valve detach in port patch
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polyPatchID detachInPortPatch_;
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//- Faces to detach
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labelList detachFaces_;
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//- detach tolerance
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scalar detachTol_;
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// Valve lift data
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//- Valve lift profile
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graph liftProfile_;
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//- Lift curve start angle
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scalar liftProfileStart_;
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//- Lift curve end angle
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scalar liftProfileEnd_;
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//- Minimum valve lift. On this lift the valve is considered closed
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const scalar minLift_;
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//- Valve diameter
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const scalar diameter_;
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// Private Member Functions
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//- Disallow default bitwise copy construct
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dieselEngineValve(const dieselEngineValve&);
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//- Disallow default bitwise assignment
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void operator=(const dieselEngineValve&);
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//- Adjust crank angle to drop within the limits of the lift profile
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scalar adjustCrankAngle(const scalar theta) const;
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public:
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// Static data members
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// Constructors
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//- Construct from components
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dieselEngineValve
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(
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const word& name,
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const polyMesh& mesh,
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const autoPtr<coordinateSystem>& valveCS,
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const word& bottomPatchName,
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const word& poppetPatchName,
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const word& sidePatchName,
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const word& stemPatchName,
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const word& downInPortPatchName,
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const word& downInCylinderPatchName,
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const word& upInPortPatchName,
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const word& upInCylinderPatchName,
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const word& detachInCylinderPatchName,
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const word& detachInPortPatchName,
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const labelList& detachFaces,
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const scalar& detachTol,
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const graph& liftProfile,
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const scalar minLift,
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const scalar diameter
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);
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//- Construct from dictionary
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dieselEngineValve
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(
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const word& name,
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const polyMesh& mesh,
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const dictionary& dict
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);
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// Destructor - default
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// Member Functions
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//- Return name
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const word& name() const
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{
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return name_;
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}
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//- Return coordinate system
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const coordinateSystem& cs() const
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{
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return csPtr_();
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}
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//- Return lift profile
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const graph& liftProfile() const
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{
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return liftProfile_;
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}
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//- Return valve diameter
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scalar diameter() const
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{
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return diameter_;
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}
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// Valve patches
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//- Return ID of bottom patch
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const polyPatchID& bottomPatchID() const
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{
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return bottomPatch_;
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}
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//- Return ID of poppet patch
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const polyPatchID& poppetPatchID() const
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{
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return poppetPatch_;
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}
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//- Return ID of side patch
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const polyPatchID& sidePatchID() const
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{
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return sidePatch_;
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}
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//- Return ID of stem patch
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const polyPatchID& stemPatchID() const
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{
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return stemPatch_;
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}
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//- Return ID of down surface in cylinder patch
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const polyPatchID& downInCylinderPatchID() const
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{
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return downInCylinderPatch_;
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}
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//- Return ID of down surface in port patch
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const polyPatchID& downInPortPatchID() const
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{
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return downInPortPatch_;
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}
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//- Return ID of up surface in cylinder patch
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const polyPatchID& upInCylinderPatchID() const
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{
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return upInCylinderPatch_;
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}
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//- Return ID of up surface in port patch
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const polyPatchID& upInPortPatchID() const
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{
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return upInPortPatch_;
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}
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//- Return ID of detach in cylinder patch
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const polyPatchID& detachInCylinderPatchID() const
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{
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return detachInCylinderPatch_;
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}
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//- Return ID of detach in port patch
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const polyPatchID& detachInPortPatchID() const
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{
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return detachInPortPatch_;
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}
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//- Return face labels of detach curtain
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const labelList& detachFaces() const
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{
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return detachFaces_;
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}
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//- Return face labels of detach curtain
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const scalar& detachTol() const
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{
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return detachTol_;
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}
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// Valve position and velocity
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//- Return valve lift given crank angle in degrees
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scalar lift(const scalar theta) const;
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//- Is the valve open?
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bool isOpen() const;
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//- Return current lift
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scalar curLift() const;
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//- Return valve velocity for current time-step
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scalar curVelocity() const;
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//- Return list of active patch labels for the valve head
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// (stem is excluded)
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labelList movingPatchIDs() const;
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//- Write dictionary
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void writeDict(Ostream&) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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