Description

Data manager for the SPH-based FSI system.

Public Member Functions
	FsiDataManager (std::shared_ptr< SimParams > params)

void	AddSphParticle (Real3 pos, Real rho, Real pres, Real mu, Real3 vel=mR3(0.0), Real3 tauXxYyZz=mR3(0.0), Real3 tauXyXzYz=mR3(0.0))
	Add an SPH particle given its position, physical properties, velocity, and stress.

void	AddBceMarker (MarkerType type, Real3 pos, Real3 vel)
	Add a BCE marker of given type at the specified position and with specified velocity.

void	Initialize (unsigned int num_fsi_bodies, unsigned int num_fsi_nodes1D, unsigned int num_fsi_elements1D, unsigned int num_fsi_nodes2D, unsigned int num_fsi_elements2D)
	Initialize the underlying FSU system. More...

std::vector< int >	FindParticlesInBox (const Real3 &hsize, const Real3 &pos, const Real3 &ax, const Real3 &ay, const Real3 &az)
	Find indices of all SPH particles inside the specified OBB.

std::vector< Real3 >	GetPositions ()
	Extract positions of all markers (SPH and BCE).

std::vector< Real3 >	GetVelocities ()
	Extract velocities of all markers (SPH and BCE).

std::vector< Real3 >	GetAccelerations ()
	Extract accelerations of all markers (SPH and BCE).

std::vector< Real3 >	GetForces ()
	Extract forces applied to all markers (SPH and BCE).

std::vector< Real3 >	GetProperties ()
	Extract fluid properties of all markers (SPH and BCE). More...

std::vector< Real3 >	GetPositions (const std::vector< int > &indices)
	Extract positions of all markers (SPH and BCE) with indices in the provided array.

std::vector< Real3 >	GetVelocities (const std::vector< int > &indices)
	Extract velocities of all markers (SPH and BCE) with indices in the provided array.

std::vector< Real3 >	GetAccelerations (const std::vector< int > &indices)
	Extract accelerations of all markers (SPH and BCE) with indices in the provided array.

std::vector< Real3 >	GetForces (const std::vector< int > &indices)
	Extract forces applied to all markers (SPH and BCE) with indices in the provided array.

std::vector< Real3 >	GetRigidForces ()
	Extract FSI forces on rigid bodies.

std::vector< Real3 >	GetRigidTorques ()
	Extract FSI torques on rigid bodies.

std::vector< Real3 >	GetFlex1dForces ()
	Extract FSI forces on flex1D nodes.

std::vector< Real3 >	GetFlex2dForces ()
	Extract FSI forces on flex2D nodes.

Public Attributes
std::shared_ptr< SimParams >	paramsH
	simulation parameters (host)

std::shared_ptr< Counters >	countersH
	problem counters (host)

std::shared_ptr< SphMarkerDataD >	sphMarkers_D
	Information of SPH particles at state 1 on device.

std::shared_ptr< SphMarkerDataD >	sortedSphMarkers1_D
	Information of SPH particles at state 2 on device.

std::shared_ptr< SphMarkerDataD >	sortedSphMarkers2_D
	Sorted information of SPH particles at state 1 on device.

std::shared_ptr< SphMarkerDataH >	sphMarkers_H
	Information of SPH particles on host.

std::shared_ptr< FsiBodyStateH >	fsiBodyState_H
	rigid body state (host)

std::shared_ptr< FsiBodyStateD >	fsiBodyState_D
	rigid body state 2 (device)

std::shared_ptr< FsiMeshStateH >	fsiMesh1DState_H
	1-D FEA mesh state (host)

std::shared_ptr< FsiMeshStateD >	fsiMesh1DState_D
	1-D FEA mesh state (device)

std::shared_ptr< FsiMeshStateH >	fsiMesh2DState_H
	2-D FEA mesh state (host)

std::shared_ptr< FsiMeshStateD >	fsiMesh2DState_D
	2-D FEA mesh state (device)

std::shared_ptr< ProximityDataD >	markersProximity_D
	Information of neighbor search on the device.

std::shared_ptr< CudaDeviceInfo >	cudaDeviceInfo
	CUDA device information.

thrust::host_vector< int4 >	referenceArray
	phases in the array of SPH particles

thrust::host_vector< int4 >	referenceArray_FEA
	phases in the array of SPH particles for flexible elements

thrust::device_vector< Real4 >	derivVelRhoD
	dv/dt and d(rho)/dt for particles

thrust::device_vector< Real4 >	derivVelRhoOriginalD
	dv/dt and d(rho)/dt used for writing partilces in file - unsorted

thrust::device_vector< Real3 >	derivTauXxYyZzD
	d(tau)/dt for particles

thrust::device_vector< Real3 >	derivTauXyXzYzD
	d(tau)/dt for particles

thrust::device_vector< Real3 >	vel_XSPH_D
	XSPH velocity for particles.

thrust::device_vector< Real3 >	vis_vel_SPH_D
	ISPH velocity for particles.

thrust::device_vector< Real4 >	sr_tau_I_mu_i
	I2SPH strain-rate, stress, inertia number, friction.

thrust::device_vector< Real4 >	sr_tau_I_mu_i_Original
	I2SPH strain-rate, stress, inertia number, friction - unsorted for writing.

thrust::device_vector< Real3 >	bceAcc
	Acceleration for boundary/rigid/flex body particles.

thrust::device_vector< uint >	activityIdentifierD
	Identifies if a particle is an active particle or not.

thrust::device_vector< uint >	extendedActivityIdD
	Identifies if a particle is in an extended active domain.

thrust::device_vector< uint >	numNeighborsPerPart
	Stores the number of neighbors the particle, given by the index, has.

thrust::device_vector< uint >	neighborList
	Stores the neighbor list - all neighbors are just stored one by one. More...

thrust::device_vector< uint >	freeSurfaceIdD
	Identifies if a particle is close to free surface.

thrust::device_vector< Real3 >	rigid_BCEcoords_D
	rigid body BCE position (local reference frame)

thrust::host_vector< Real3 >	flex1D_BCEcoords_H
	local coords for BCE markers on 1-D flex segments (host)

thrust::device_vector< Real3 >	flex1D_BCEcoords_D
	local coords for BCE markers on 1-D flex segments (device)

thrust::host_vector< Real3 >	flex2D_BCEcoords_H
	local coords for BCE markers on 2-D flex faces (host)

thrust::device_vector< Real3 >	flex2D_BCEcoords_D
	local coors for BCE markers on 2-D flex faces (device)

thrust::device_vector< uint >	rigid_BCEsolids_D
	associated body ID for BCE markers on rigid bodies

thrust::host_vector< uint3 >	flex1D_BCEsolids_H
	associated mesh and segment for BCE markers on 1-D segments

thrust::device_vector< uint3 >	flex1D_BCEsolids_D
	associated mesh and segment for BCE markers on 1-D segments

thrust::host_vector< uint3 >	flex2D_BCEsolids_H
	associated mesh and face for BCE markers on 2-D faces

thrust::device_vector< uint3 >	flex2D_BCEsolids_D
	associated mesh and face for BCE markers on 2-D faces

thrust::device_vector< Real3 >	rigid_FSI_ForcesD
	surface-integrated forces to rigid bodies

thrust::device_vector< Real3 >	rigid_FSI_TorquesD
	surface-integrated torques to rigid bodies

thrust::device_vector< Real3 >	flex1D_FSIforces_D
	surface-integrated forces on FEA 1-D segment nodes

thrust::device_vector< Real3 >	flex2D_FSIforces_D
	surface-integrated forces on FEA 2-D face nodes

thrust::host_vector< int2 >	flex1D_Nodes_H
	node indices for each 1-D flex segment (host)

thrust::device_vector< int2 >	flex1D_Nodes_D
	node indices for each 1-D flex segment (device)

thrust::host_vector< int3 >	flex2D_Nodes_H
	node indices for each 2-D flex face (host)

thrust::device_vector< int3 >	flex2D_Nodes_D
	node indices for each 2-D flex face (device)

Friends
class	chrono::fsi::ChFluidSystemSPH

Member Function Documentation

◆ GetProperties()

std::vector<Real3> chrono::fsi::sph::FsiDataManager::GetProperties ( )

Extract fluid properties of all markers (SPH and BCE).

For each SPH particle, the 3-dimensional vector contains density, pressure, and viscosity.

◆ Initialize()

void chrono::fsi::sph::FsiDataManager::Initialize	(	unsigned int	num_fsi_bodies,
		unsigned int	num_fsi_nodes1D,
		unsigned int	num_fsi_elements1D,
		unsigned int	num_fsi_nodes2D,
		unsigned int	num_fsi_elements2D
	)

Initialize the underlying FSU system.

Set reference arrays, set counters, and resize simulation arrays.

Member Data Documentation

◆ neighborList

thrust::device_vector<uint> chrono::fsi::sph::FsiDataManager::neighborList

Stores the neighbor list - all neighbors are just stored one by one.

The above vector provides the info required to idenitfy which particles neighbors are stored at which index of neighborList

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

/builds/uwsbel/chrono/src/chrono_fsi/sph/physics/FsiDataManager.cuh

Description

Public Member Functions

Public Attributes

Friends

Member Function Documentation

◆ GetProperties()

◆ Initialize()

Member Data Documentation

◆ neighborList