olb::RandomWalkOperation3D< T, PARTICLETYPE > Class Template Reference

#include <particleOperations3D.h>

Inheritance diagram for olb::RandomWalkOperation3D< T, PARTICLETYPE >:

Collaboration diagram for olb::RandomWalkOperation3D< T, PARTICLETYPE >:

Public Member Functions
	RandomWalkOperation3D (T dT, T diffusivity)
virtual void	applyParticleOperation (typename std::deque< PARTICLETYPE< T > >::iterator p, ParticleSystem3D< T, PARTICLETYPE > &pSys) override

Additional Inherited Members
Protected Member Functions inherited from olb::ParticleOperation3D< T, PARTICLETYPE >
	ParticleOperation3D ()

Detailed Description

template<typename T, template< typename U > class PARTICLETYPE>
class olb::RandomWalkOperation3D< T, PARTICLETYPE >

Definition at line 48 of file particleOperations3D.h.

Constructor & Destructor Documentation

RandomWalkOperation3D()

template<typename T , template< typename U > class PARTICLETYPE>

olb::RandomWalkOperation3D< T, PARTICLETYPE >::RandomWalkOperation3D	(	T	dT,
		T	diffusivity )

Definition at line 37 of file particleOperations3D.hh.

  : _dT(dT),
    _randomNormal( 0, util::sqrt(2.*diffusivity*dT) )
{ }

Member Function Documentation

applyParticleOperation()

template<typename T , template< typename U > class PARTICLETYPE>

void olb::RandomWalkOperation3D< T, PARTICLETYPE >::applyParticleOperation ( typename std::deque< PARTICLETYPE< T > >::iterator p, ParticleSystem3D< T, PARTICLETYPE > & pSys )

overridevirtual

Implements olb::ParticleOperation3D< T, PARTICLETYPE >.

Definition at line 43 of file particleOperations3D.hh.

{
  T posOldArray[] { p->getPos()[0], p->getPos()[1], p->getPos()[2] };
  T posIncrementArray[] {0., 0., 0.};
  _randomNormal(posIncrementArray, posOldArray);
  std::vector<T> posNew { posOldArray[0]+posIncrementArray[0], posOldArray[1]+posIncrementArray[1], posOldArray[2]+posIncrementArray[2] };
  p->setPos(posNew);
  p->setVel({ (posNew[0]-posOldArray[0])/_dT, (posNew[1]-posOldArray[1])/_dT, (posNew[2]-posOldArray[2])/_dT });
}

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The documentation for this class was generated from the following files:

• src/particles/subgrid3DLegacyFramework/particleOperations/particleOperations3D.h
• src/particles/subgrid3DLegacyFramework/particleOperations/particleOperations3D.hh