vibrating wall added, tested; time interval for wall motion added, tested

src/Geometry/geometryMotion/geometryMotion.cpp

@@ -23,9 +23,10 @@ bool pFlow::geometryMotion<MotionModel>::moveGeometry()
 {
 
 	real dt = this->dt();
+	real t = this->currentTime();
 
 	auto pointMIndex= pointMotionIndex_.deviceVector();
-	auto mModel = motionModel_.getModel();
+	auto mModel = motionModel_.getModel(t);
 	realx3* points = triSurface_.pointsData_D();
 	auto numPoints = triSurface_.numPoints();
 

src/Geometry/geometryMotion/geometryMotion.hpp

@@ -104,9 +104,9 @@ public:
 
 	//// - Methods
 
-	auto getModel()const
+	auto getModel(real t)const
 	{
-		return motionModel_.getModel();
+		return motionModel_.getModel(t);
 	}
 
 	word motionModelTypeName()const override

src/Geometry/geometryMotion/geometryMotions.hpp

@@ -24,11 +24,14 @@ Licence:
 #include "geometryMotion.hpp"
 #include "fixedWall.hpp"
 #include "rotatingAxisMotion.hpp"
+#include "vibratingMotion.hpp"
 
 
 namespace pFlow
 {
 
+typedef geometryMotion<vibratingMotion> vibratingMotionGeometry;
+
 typedef geometryMotion<rotatingAxisMotion> rotationAxisMotionGeometry;
 
 typedef geometryMotion<fixedWall> fixedGeometry;

src/Geometry/geometryMotion/geometryMotionsInstantiate.cpp

@@ -20,9 +20,12 @@ Licence:
 
 #include "fixedWall.hpp"
 #include "rotatingAxisMotion.hpp"
+#include "vibratingMotion.hpp"
 
 template class pFlow::geometryMotion<pFlow::fixedWall>;
 
 template class pFlow::geometryMotion<pFlow::rotatingAxisMotion>;
 
+template class pFlow::geometryMotion<pFlow::vibratingMotion>;
+
 

src/Interaction/sphereInteraction/sphereInteraction.cpp

@@ -57,6 +57,7 @@ bool pFlow::sphereInteraction<contactForceModel,geometryMotionModel, contactList
 {
 	
 
+
 	auto lastItem = ppContactList_().loopCount();
 
 	// create the kernel functor 
@@ -95,6 +96,7 @@ bool pFlow::sphereInteraction<contactForceModel,geometryMotionModel, contactList
 {
 	
 	int32 lastItem = pwContactList_().loopCount();
+	real t = this->currentTime();
 
 	pFlow::sphereInteractionKernels::pwInteractionFunctor
 		pwInteraction(
@@ -102,7 +104,7 @@ bool pFlow::sphereInteraction<contactForceModel,geometryMotionModel, contactList
 			this->forceModel_(),
 			pwContactList_(),
 			geometryMotion_.getTriangleAccessor(), 
-			geometryMotion_.getModel() , 
+			geometryMotion_.getModel(t) , 
 			sphParticles_.diameter().deviceVectorAll() ,
 			sphParticles_.propertyId().deviceVectorAll(),
 			sphParticles_.pointPosition().deviceVectorAll(),

src/Interaction/sphereInteraction/sphereInteractions.cpp

@@ -67,6 +67,27 @@ template class pFlow::sphereInteraction<
 	pFlow::sortedContactList>;
 
 
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::limitedLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::unsortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::limitedLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::sortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::nonLimitedLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::unsortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::nonLimitedLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::sortedContactList>;
+
+
 
 /// non-linear models 
 
@@ -111,8 +132,30 @@ template class pFlow::sphereInteraction<
 	pFlow::sortedContactList>;
 
 
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::limitedNonLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::unsortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::limitedNonLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::sortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::nonLimitedNonLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::unsortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::nonLimitedNonLinearNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::sortedContactList>;
+
+
+
 // - nonLinearMod models
-	template class pFlow::sphereInteraction<
+template class pFlow::sphereInteraction<
 	pFlow::cfModels::limitedNonLinearModNormalRolling,
 	pFlow::fixedGeometry,
 	pFlow::unsortedContactList>;
@@ -153,5 +196,26 @@ template class pFlow::sphereInteraction<
 	pFlow::sortedContactList>;
 
 
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::limitedNonLinearModNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::unsortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::limitedNonLinearModNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::sortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::nonLimitedNonLinearModNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::unsortedContactList>;
+
+template class pFlow::sphereInteraction<
+	pFlow::cfModels::nonLimitedNonLinearModNormalRolling,
+	pFlow::vibratingMotionGeometry,
+	pFlow::sortedContactList>;
+
+
 	
 

src/MotionModel/CMakeLists.txt

@@ -1,8 +1,11 @@
 
 list(APPEND SourceFiles 
 entities/rotatingAxis/rotatingAxis.cpp
+entities/timeInterval/timeInterval.cpp
+entities/vibrating/vibrating.cpp
 fixedWall/fixedWall.cpp
 rotatingAxisMotion/rotatingAxisMotion.cpp
+vibratingMotion/vibratingMotion.cpp
 )
 
 set(link_libs Kokkos::kokkos phasicFlow)

src/MotionModel/entities/rotatingAxis/rotatingAxis.cpp

@@ -21,13 +21,6 @@ Licence:
 #include "rotatingAxis.hpp"
 #include "dictionary.hpp"
 
-/*FUNCTION_HD
-pFlow::rotatingAxis::rotatingAxis()
-:
-	line(),
-	omega_(0.0),
-	rotating_(false)
-{}*/
 
 FUNCTION_H
 pFlow::rotatingAxis::rotatingAxis
@@ -52,6 +45,7 @@ pFlow::rotatingAxis::rotatingAxis
 	real omega
 )
 	:
+	timeInterval(),
 	line(p1, p2),
 	omega_(omega),
 	rotating_(!equal(omega,0.0))
@@ -60,7 +54,6 @@ pFlow::rotatingAxis::rotatingAxis
 }
 
 
-//rotatingAxis(const dictionary& dict);
 FUNCTION_HD
 pFlow::real pFlow::rotatingAxis::setOmega(real omega)
 {
@@ -76,6 +69,8 @@ bool pFlow::rotatingAxis::read
 	const dictionary& dict
 )
 {
+
+	if(!timeInterval::read(dict))return false;
 	if(!line::read(dict)) return false;
 		
 	real omega = dict.getValOrSet("omega", static_cast<real>(0.0));
@@ -90,6 +85,7 @@ bool pFlow::rotatingAxis::write
 	dictionary& dict
 ) const
 {
+	if( !timeInterval::write(dict) ) return false;
 	if( !line::write(dict) ) return false;
 	
 	if( !dict.add("omega", omega_) )
@@ -107,6 +103,7 @@ bool pFlow::rotatingAxis::read
 	iIstream& is
 )
 {
+	if( !rotatingAxis::timeInterval::read(is)) return false;
 	if( !rotatingAxis::line::read(is)) return false;
 
 	word omegaw;
@@ -137,6 +134,7 @@ bool pFlow::rotatingAxis::write
 	iOstream& os
 )const
 {
+	if( !rotatingAxis::timeInterval::write(os)) return false;
 	if( !rotatingAxis::line::write(os) ) return false;
 	
 	os.writeWordEntry("omega", omega());

src/MotionModel/entities/rotatingAxis/rotatingAxis.hpp

@@ -21,6 +21,7 @@ Licence:
 #ifndef __rotatingAxis_hpp__
 #define __rotatingAxis_hpp__
 
+#include "timeInterval.hpp"
 #include "line.hpp"
 
 namespace pFlow
@@ -33,6 +34,7 @@ class rotatingAxis;
 
 class rotatingAxis
 :
+	public timeInterval,
 	public line
 {
 protected:

src/MotionModel/entities/rotatingAxis/rotatingAxisI.hpp

@@ -21,6 +21,9 @@ Licence:
 INLINE_FUNCTION_HD
 pFlow::realx3 pFlow::rotatingAxis::linTangentialVelocityPoint(const realx3 &p)const
 {
+	
+	if(!inTimeRange()) return {0,0,0};
+
 	realx3 L = p - projectPoint(p);
 	return cross(omega_*unitVector(),L);
 }
@@ -28,6 +31,9 @@ pFlow::realx3 pFlow::rotatingAxis::linTangentialVelocityPoint(const realx3 &p)co
 INLINE_FUNCTION_HD
 pFlow::realx3 pFlow::rotate(const realx3& p, const rotatingAxis& ax, real dt)
 {
+	
+	if(!ax.inTimeRange()) return p;
+
 	realx3 nv = ax.unitVector();
 	real cos_tet = cos(ax.omega()*dt);
 	real sin_tet = sin(ax.omega()*dt);
@@ -61,7 +67,6 @@ INLINE_FUNCTION_HD
 pFlow::realx3 pFlow::rotate(const realx3 &p, const line& ln, real theta)
 {
 
-
 	realx3 nv = ln.unitVector();
 	real cos_tet = cos(theta);
 	real sin_tet = sin(theta);
@@ -130,6 +135,8 @@ void pFlow::rotate(realx3* p, size_t n, const line& ln, real theta)
 INLINE_FUNCTION_HD
 void pFlow::rotate(realx3* p, size_t n, const rotatingAxis& ax, real dt)
 {
+	if(!ax.inTimeRange()) return;
+	
 	realx3 nv = ax.unitVector();
 	real cos_tet = cos(ax.omega()*dt);
 	real sin_tet = sin(ax.omega()*dt);

src/MotionModel/entities/timeInterval/timeInterval.cpp

@@ -0,0 +1,84 @@
+
+
+#include "timeInterval.hpp"
+#include "dictionary.hpp"
+
+FUNCTION_H
+pFlow::timeInterval::timeInterval(const dictionary& dict)
+{
+	if(!read(dict))
+	{
+		fatalExit;
+	}
+}
+
+
+FUNCTION_H 
+bool pFlow::timeInterval::read(const dictionary& dict)
+{
+	startTime_ = dict.getValOrSet<real>("startTime", 0);
+	endTime_	= dict.getValOrSet<real>("endTime", largeValue);
+
+	return true;
+}
+
+FUNCTION_H
+bool pFlow::timeInterval::write(dictionary& dict) const
+{
+	if( !dict.add("startTime", startTime_) )
+	{
+		fatalErrorInFunction<<
+		"  error in writing startTime to dictionary "<< dict.globalName()<<endl;
+		return false;
+	}
+
+	if( !dict.add("endTime", endTime_) )
+	{
+		fatalErrorInFunction<<
+		"  error in writing endTime to dictionary "<< dict.globalName()<<endl;
+		return false;
+	}
+
+	return true;
+}
+
+FUNCTION_H
+bool pFlow::timeInterval::read(iIstream& is)
+{
+	word key;
+	real val;
+
+	is >> key >> val;
+	if(key != "startTime")
+	{
+		ioErrorInFile(is.name(), is.lineNumber())<<
+		"  expected startTime but found "<< key <<endl;
+		return false;
+	}
+	else
+		startTime_ = val;
+
+	is.readEndStatement(FUNCTION_NAME);
+
+	is >> key >> val;
+	if(key != "endTime")
+	{
+		ioErrorInFile(is.name(), is.lineNumber())<<
+		"  expected endTime but found "<< key <<endl;
+		return false;
+	}
+	else
+		endTime_ = val;
+
+	is.readEndStatement(FUNCTION_NAME);
+
+	return true;
+}
+
+FUNCTION_H
+bool pFlow::timeInterval::write(iOstream& os)const
+{
+	os.writeWordEntry("startTime", startTime_);
+	os.writeWordEntry("endTime", endTime_);
+	return os.check(FUNCTION_NAME);	
+}

src/MotionModel/entities/timeInterval/timeInterval.hpp

@@ -0,0 +1,116 @@
+
+
+#ifndef __timeInterval_hpp__
+#define __timeInterval_hpp__
+
+#include "types.hpp"
+#include "pFlowMacros.hpp"
+
+namespace pFlow
+{
+
+// forward 
+class dictionary;
+
+
+class timeInterval
+{
+protected:
+	real startTime_ = 0;
+
+	real endTime_ = largeValue;
+
+	real time_=0;
+
+	bool isInInterval_ = true;
+	
+public:
+
+	INLINE_FUNCTION_HD
+	timeInterval(){}
+
+	INLINE_FUNCTION_HD
+	timeInterval(const timeInterval&) = default;
+
+	INLINE_FUNCTION_HD
+	timeInterval& operator=(const timeInterval&) = default;
+
+	FUNCTION_H
+	timeInterval(const dictionary& dict);
+
+	INLINE_FUNCTION_HD
+	~timeInterval() = default;
+
+	INLINE_FUNCTION_HD
+	auto startTime()const
+	{
+		return startTime_;
+	}
+
+	INLINE_FUNCTION_HD
+	auto endTime()const
+	{
+		return endTime_;
+	}
+
+	INLINE_FUNCTION_HD
+	auto time()const
+	{
+		return time_;
+	}
+
+	INLINE_FUNCTION_HD
+	void setTime(real t)
+	{
+		isInInterval_ =  inTimeRange(t);
+		time_ = t;
+	}
+
+	INLINE_FUNCTION_HD
+	bool inTimeRange(real t)const
+	{
+		return t>= startTime_ && t<= endTime_;
+	}
+
+	INLINE_FUNCTION_HD
+	bool inTimeRange()const
+	{
+		return isInInterval_;
+	}
+
+	// - IO operation
+	FUNCTION_H 
+	bool read(const dictionary& dict);
+
+	FUNCTION_H
+	bool write(dictionary& dict) const;
+
+	FUNCTION_H
+	bool read(iIstream& is);
+
+	FUNCTION_H
+	bool write(iOstream& os)const;
+};
+
+
+inline iOstream& operator <<(iOstream& os, const timeInterval& obj)
+{
+	if(!obj.write(os))
+	{
+		fatalExit;
+	}
+	return os;
+}
+
+inline iIstream& operator >>(iIstream& is, timeInterval& obj)
+{
+	if( !obj.read(is) )
+	{
+		fatalExit;
+	}
+	return is;
+}
+
+}
+
+#endif  

src/MotionModel/entities/vibrating/vibrating.cpp

@@ -0,0 +1,102 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#include "vibrating.hpp"
+#include "dictionary.hpp"
+
+
+FUNCTION_H
+pFlow::vibrating::vibrating(const dictionary& dict)
+{
+
+	if(!read(dict))
+	{
+		fatalErrorInFunction<<
+		"  error in reading vibrating from dictionary "<< dict.globalName()<<endl;
+		fatalExit;
+	}
+}
+
+
+
+FUNCTION_H
+bool pFlow::vibrating::read(const dictionary& dict)
+{
+	
+	if(!timeInterval::read(dict))return false;
+
+	angularFreq_	= dict.getVal<realx3>("angularFreq");
+
+	phaseAngle_ 	= dict.getValOrSet<realx3>("phaseAngle", realx3(0));
+
+	amplitude_ 		= dict.getVal<realx3>("amplitude");
+	
+	return true;
+}
+
+FUNCTION_H
+bool pFlow::vibrating::write(dictionary& dict) const
+{
+	
+	if(!timeInterval::write(dict)) return false;
+
+	if( !dict.add("angularFreq", angularFreq_) )
+	{
+		fatalErrorInFunction<<
+		"  error in writing angularFreq to dictionary "<< dict.globalName()<<endl;
+		return false;
+	}
+
+	if( !dict.add("phaseAngle", phaseAngle_) )
+	{
+		fatalErrorInFunction<<
+		"  error in writing phaseAngle to dictionary "<< dict.globalName()<<endl;
+		return false;
+	}
+
+	if( !dict.add("amplitude", amplitude_) )
+	{
+		fatalErrorInFunction<<
+		"  error in writing amplitude to dictionary "<< dict.globalName()<<endl;
+		return false;
+	}
+
+	return true;
+}
+
+FUNCTION_H
+bool pFlow::vibrating::read(iIstream& is)
+{
+	
+	notImplementedFunction;
+
+	return true;
+}
+
+FUNCTION_H
+bool pFlow::vibrating::write(iOstream& os)const
+{
+	if(!timeInterval::write(os)) return false;
+	
+	os.writeWordEntry("angularFreq", angularFreq_);
+	os.writeWordEntry("phaseAngle", phaseAngle_);
+	os.writeWordEntry("amplitude", amplitude_);
+	return os.check(FUNCTION_NAME);
+}

src/MotionModel/entities/vibrating/vibrating.hpp

@@ -0,0 +1,137 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#ifndef __vibrating_hpp__
+#define __vibrating_hpp__
+
+
+#include "timeInterval.hpp"
+
+#include "streams.hpp"
+
+namespace pFlow
+{
+
+class dictionary;
+class vibrating;
+
+
+class vibrating
+:
+	public timeInterval
+{
+
+protected:
+	
+	// rotation speed 
+	realx3	angularFreq_{0,0,0};
+
+	realx3 	phaseAngle_{0,0,0};
+
+	realx3  amplitude_{0,0,0};
+
+	realx3  velocity_{0,0,0};
+
+	realx3  velocity0_{0,0,0};
+
+	INLINE_FUNCTION_HD
+	void calculateVelocity()
+	{
+		if(inTimeRange())
+		{
+			velocity_ = amplitude_ * sin( angularFreq_*(time()-startTime() ) + phaseAngle_ );
+		}else
+		{
+			velocity_ = {0,0,0};
+		}
+	}
+
+public:
+
+	FUNCTION_HD
+	vibrating(){}
+
+	FUNCTION_H
+	vibrating(const dictionary& dict);
+	
+
+	FUNCTION_HD
+	vibrating(const vibrating&) = default;
+
+	vibrating& operator=(const vibrating&) = default;
+
+	INLINE_FUNCTION_HD
+	void setTime(real t)
+	{
+		if( !equal(t, time()) ) velocity0_ = velocity_;
+		timeInterval::setTime(t);
+		calculateVelocity();
+	}
+
+	INLINE_FUNCTION_HD
+	realx3 linTangentialVelocityPoint(const realx3 &p)const
+	{
+		return velocity_;
+	}
+
+	INLINE_FUNCTION_HD
+	realx3 transferPoint(const realx3& p, real dt)
+	{
+		if(!inTimeRange()) return p;
+		return p + 0.5*dt*(velocity0_+velocity_);
+	}
+
+	// - IO operation
+	FUNCTION_H 
+	bool read(const dictionary& dict);
+
+	FUNCTION_H
+	bool write(dictionary& dict) const;
+
+	FUNCTION_H
+	bool read(iIstream& is);
+
+	FUNCTION_H
+	bool write(iOstream& os)const;
+
+};
+
+inline iOstream& operator <<(iOstream& os, const vibrating& obj)
+{
+	if(!obj.write(os))
+	{
+		fatalExit;
+	}
+	return os;
+}
+
+inline iIstream& operator >>(iIstream& is, vibrating& obj)
+{
+	if( !obj.read(is) )
+	{
+		fatalExit;
+	}
+	return is;
+}
+
+}
+
+
+#endif

src/MotionModel/fixedWall/fixedWall.hpp

@@ -107,7 +107,7 @@ public:
 
 	~fixedWall() = default;
 
-	Model getModel()const
+	Model getModel(real t)const
 	{
 		return Model();
 	}

src/MotionModel/rotatingAxisMotion/rotatingAxisMotion.hpp

@@ -129,8 +129,15 @@ public:
 	~rotatingAxisMotion() = default;
 
 
-	Model getModel()const
+	Model getModel(real t)
 	{
+		for(int32 i= 0; i<numAxis_; i++ )
+		{
+			axis_[i].setTime(t);
+		}
+		axis_.modifyOnHost();
+		axis_.syncViews();
+
 		return Model(axis_.deviceVector(), numAxis_);
 	}
 
@@ -167,15 +174,15 @@ public:
 	}
 
 	
-	INLINE_FUNCTION_D
+	/*INLINE_FUNCTION_D
 	realx3 pointVelocity(label n, const realx3& p)const 
 	{
 		return axis_.deviceVectorAll()[n].linTangentialVelocityPoint(p);
-	}
+	}*/
 
 	
 
-	INLINE_FUNCTION_D
+	/*INLINE_FUNCTION_D
 	realx3 transferPoint(label n, const realx3 p, real dt)const
 	{
 		return rotate(p, axis_.deviceVectorAll()[n], dt);
@@ -190,7 +197,7 @@ public:
 		rotate( pVec, numP, axis_.deviceVectorAll()[n], dt);
 
 		return true;		
-	}
+	}*/
 
 	INLINE_FUNCTION_HD
 	bool isMoving()const

src/MotionModel/vibratingMotion/vibratingMotion.cpp

@@ -0,0 +1,167 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#include "vibratingMotion.hpp"
+#include "dictionary.hpp"
+#include "vocabs.hpp"
+
+
+bool pFlow::vibratingMotion::readDictionary
+(
+	const dictionary& dict
+)
+{
+
+	auto motionModel = dict.getVal<word>("motionModel");
+
+	if(motionModel != "vibratingMotion")
+	{
+		fatalErrorInFunction<<
+		"  motionModel should be vibratingMotion, but found "
+		 << motionModel <<endl;
+		return false;
+	}
+
+	auto& motionInfo = dict.subDict("vibratingMotionInfo");
+	auto compNames = motionInfo.dictionaryKeywords();
+	
+	components_.reserve(compNames.size()+1);
+	
+	
+	components_.clear();
+	componentName_.clear();
+
+		
+	for(auto& cName: compNames)
+	{
+		auto& compDict = motionInfo.subDict(cName);
+		
+		if(auto compPtr = makeUnique<vibrating>(compDict); compPtr)
+		{
+			components_.push_back(compPtr());
+			componentName_.push_back(cName);
+		}
+		else
+		{
+			fatalErrorInFunction<<
+			"could not read vibrating motion from "<< compDict.globalName()<<endl;
+			return false;
+		}
+	}
+
+
+
+	if( !componentName_.search("none") )
+	{
+		components_.push_back
+		(
+			vibrating()
+		);
+		componentName_.push_back("none");	
+	}
+
+	components_.syncViews();
+	numComponents_ = components_.size();
+	
+
+	return true;
+}
+
+bool pFlow::vibratingMotion::writeDictionary
+(
+	dictionary& dict
+)const
+{
+	dict.add("motionModel", "vibratingMotion");
+
+	auto& motionInfo = dict.subDictOrCreate("vibratingMotionInfo");
+	
+	ForAll(i, components_)
+	{
+		
+		auto& compDict = motionInfo.subDictOrCreate(componentName_[i]);
+		if( !components_.hostVectorAll()[i].write(compDict))
+		{
+			fatalErrorInFunction<<
+			"  error in writing motion compoonent "<< componentName_[i] << " to dicrionary "
+			<< motionInfo.globalName()<<endl;
+			return false;
+		}
+	}
+
+	return true;
+}
+
+pFlow::vibratingMotion::vibratingMotion()
+{}
+
+pFlow::vibratingMotion::vibratingMotion
+(
+	const dictionary& dict
+)
+{
+	if(! readDictionary(dict) )
+	{
+		fatalExit;
+	}
+}
+
+bool pFlow::vibratingMotion::read
+(
+	iIstream& is
+)
+{
+	// create an empty file dictionary
+	dictionary motionInfo(motionModelFile__, true);
+
+	// read dictionary from stream
+	if( !motionInfo.read(is) )
+	{
+		ioErrorInFile(is.name(), is.lineNumber()) <<
+		"  error in reading dictionray " << motionModelFile__ <<" from file. \n";
+		return false;
+	}
+
+	if( !readDictionary(motionInfo) ) return false;
+	
+	return true;
+}
+
+bool pFlow::vibratingMotion::write
+(
+	iOstream& os
+)const
+{
+	// create an empty file dictionary
+	dictionary motionInfo(motionModelFile__, true);
+
+	if( !writeDictionary(motionInfo))
+	{
+		return false;
+	}
+
+	if( !motionInfo.write(os) )
+	{
+		ioErrorInFile( os.name(), os.lineNumber() )<<
+		"  error in writing dictionray to file. \n";
+		return false;
+	}
+	return true;
+}

src/MotionModel/vibratingMotion/vibratingMotion.hpp

@@ -0,0 +1,216 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#ifndef __vibratingMotion_hpp__
+#define __vibratingMotion_hpp__
+
+
+#include "types.hpp"
+#include "typeInfo.hpp"
+#include "VectorDual.hpp"
+#include "Vectors.hpp"
+#include "List.hpp"
+#include "vibrating.hpp"
+
+
+
+namespace pFlow
+{
+
+class dictionary;
+
+class vibratingMotion
+{
+public:
+	
+	// - this class shuold be decleared in every motion model with 
+	//   exact methods 
+	class Model
+	{
+	protected:
+		
+		deviceViewType1D<vibrating> 	components_;
+		int32 							numComponents_=0;
+
+	public:
+
+		INLINE_FUNCTION_HD
+		Model(deviceViewType1D<vibrating> comps, int32 numComps):
+			components_(comps),
+			numComponents_(numComps)
+		{}
+
+		INLINE_FUNCTION_HD
+		Model(const Model&) = default;
+		
+		
+		INLINE_FUNCTION_HD
+		Model& operator=(const Model&) = default;
+
+
+		INLINE_FUNCTION_HD
+		realx3 pointVelocity(int32 n, const realx3& p)const
+		{
+			return components_[n].linTangentialVelocityPoint(p);
+		}
+
+		INLINE_FUNCTION_HD
+		realx3 operator()(int32 n, const realx3& p)const
+		{
+			return pointVelocity(n,p);
+		}
+
+		INLINE_FUNCTION_HD
+		realx3 transferPoint(int32 n, const realx3 p, real dt)const
+		{
+			return components_[n].transferPoint(p, dt);	
+		}
+
+		INLINE_FUNCTION_HD int32 numComponents()const
+		{
+			return numComponents_;
+		}
+	};
+
+protected:
+
+	using axisVector_HD = VectorDual<vibrating>;
+
+	axisVector_HD 	components_;
+	
+	wordList  		componentName_;
+
+	label  			numComponents_= 0;
+
+	bool readDictionary(const dictionary& dict);
+
+	bool writeDictionary(dictionary& dict)const;
+
+public:
+	
+	TypeInfoNV("vibratingMotion");
+
+	// empty
+	FUNCTION_H
+	vibratingMotion();
+
+	// construct with dictionary 
+	FUNCTION_H
+	vibratingMotion(const dictionary& dict);
+
+	// copy
+	FUNCTION_H
+	vibratingMotion(const vibratingMotion&) = default;
+
+	vibratingMotion(vibratingMotion&&) = delete;
+
+	FUNCTION_H
+	vibratingMotion& operator=(const vibratingMotion&) = default;
+
+	vibratingMotion& operator=(vibratingMotion&&) = delete;
+
+	FUNCTION_H
+	~vibratingMotion() = default;
+
+
+	Model getModel(real t)
+	{
+		for(int32  i= 0; i<numComponents_; i++ )
+		{
+			components_[i].setTime(t);
+		}
+		components_.modifyOnHost();
+		components_.syncViews();
+
+		return Model(components_.deviceVectorAll(), numComponents_);
+	}
+
+	INLINE_FUNCTION_H
+	int32 nameToIndex(const word& name)const
+	{
+		if( auto i = componentName_.findi(name); i == -1)
+		{
+			fatalErrorInFunction<<
+			"component name " << name << " does not exist. \n";
+			fatalExit;
+			return i;
+		}
+		else
+		{
+			return i;
+		}
+		
+	}
+
+	INLINE_FUNCTION_H
+	word indexToName(label i)const
+	{
+		if(i < numComponents_ )
+			return componentName_[i];
+		else
+		{
+			fatalErrorInFunction<<
+			"out of range access to the list of axes " << i <<endl<<
+			" size of components_ is "<<numComponents_<<endl;
+			fatalExit;
+			return "";
+		}
+	}
+
+	
+	INLINE_FUNCTION_H
+	realx3 pointVelocity(label n, const realx3& p)const 
+	{
+		return components_.hostVectorAll()[n].linTangentialVelocityPoint(p);
+	}
+
+	
+
+	INLINE_FUNCTION_H
+	realx3 transferPoint(label n, const realx3 p, real dt)const
+	{
+		return components_.hostVectorAll()[n].transferPoint(p, dt);
+	}
+
+	
+	INLINE_FUNCTION_HD
+	bool isMoving()const
+	{
+		return true;
+	}
+
+	INLINE_FUNCTION_H
+	bool move(real dt)
+	{
+		return true;
+	}
+
+	FUNCTION_H
+	bool read(iIstream& is);
+
+	FUNCTION_H
+	bool write(iOstream& os)const;
+
+	
+};
+
+} // pFlow
+
+#endif //__rotatingAxisMotion_hpp__

src/demComponent/demComponent.hpp

@@ -64,11 +64,18 @@ public:
 		return control_;
 	}
 
+	inline
 	real dt()const
 	{
 		return control_.time().dt();
 	}
 
+	inline
+	real currentTime()const
+	{
+		return control_.time().currentTime();
+	}
+
 	auto& timers(){
 		return timers_;
 	}