Description

Handles utilities including creating BCE particles, setting parameters via a JSON file, and output data into files with specified format.

Collaboration diagram for Modeling utilities:

Classes
class	chrono::fsi::ChFsiVisualization
	Run-time visualization support for Chrono::FSI systems. More...

class	chrono::fsi::ChFsiVisualizationGL
	Run-time visualization support for Chrono::FSI systems. More...

class	chrono::fsi::ChFsiVisualizationVSG
	Run-time visualization support for Chrono::FSI systems. More...

Functions
Real	chrono::fsi::utils::W3h_Spline (Real d, Real h)
	Kernel function.

Real	chrono::fsi::utils::massCalculator (Real Kernel_h, Real InitialSpacing, Real rho0)
	Particle mass calculator based on the initial spacing and density.

Real	chrono::fsi::utils::IniNeiNum (Real Kernel_h, Real InitialSpacing)
	Particle number calculator based on the initial spacing and kernel length.

int2	chrono::fsi::utils::CreateFluidMarkers (std::shared_ptr< SphMarkerDataH > sphMarkersH, std::shared_ptr< FsiGeneralData > fsiGeneralData, std::shared_ptr< SimParams > paramsH)
	Create fluid/granular SPH particles for the simulation.

CH_FSI_API void	chrono::fsi::utils::PrintParticleToFile (const thrust::device_vector< Real4 > &posRadD, const thrust::device_vector< Real3 > &velMasD, const thrust::device_vector< Real4 > &rhoPresMuD, const thrust::device_vector< Real4 > &sr_tau_I_mu_i, const thrust::device_vector< Real4 > &derivVelRhoD, const thrust::host_vector< int4 > &referenceArray, const thrust::host_vector< int4 > &referenceArrayFEA, const std::string &dir, const std::shared_ptr< SimParams > &paramsH)
	Helper function to save the SPH data into files. More...

CH_FSI_API void	chrono::fsi::utils::PrintFsiInfoToFile (const thrust::device_vector< Real3 > &posRigidD, const thrust::device_vector< Real4 > &velRigidD, const thrust::device_vector< Real4 > &qRigidD, const thrust::device_vector< Real3 > &posNodeD, const thrust::device_vector< Real3 > &velNodeD, const thrust::host_vector< Real3 > &forceRigid, const thrust::host_vector< Real3 > &torqueRigid, const thrust::host_vector< Real3 > &forceNode, const std::string &dir, const double time)
	Helper function to save the FSI information into files. More...

CH_FSI_API void	chrono::fsi::utils::WriteCsvParticlesToFile (thrust::device_vector< Real4 > &posRadD, thrust::device_vector< Real3 > &velMasD, thrust::device_vector< Real4 > &rhoPresMuD, thrust::host_vector< int4 > &referenceArray, const std::string &outfilename)
	Helper function to save particle info from FSI system to a CSV files. More...

CH_FSI_API void	chrono::fsi::utils::WriteChPFParticlesToFile (thrust::device_vector< Real4 > &posRadD, thrust::host_vector< int4 > &referenceArray, const std::string &outfilename)
	Helper function to save particle info from FSI system to a ChPF binary files. More...

void	chrono::fsi::utils::printStruct (struct Real2 &s)
	Print a Real2 struct.

void	chrono::fsi::utils::printStruct (struct int2 &s)
	Print a Int2 struct.

void	chrono::fsi::utils::printStruct (struct Real3 &s)
	Print a Real3 struct.

void	chrono::fsi::utils::printStruct (struct int3 &s)
	Print a Int3 struct.

void	chrono::fsi::utils::printStruct (struct Real4 &s)
	Print a Real4 struct.

void	chrono::fsi::utils::printStruct (struct int4 &s)
	Print a Int4 struct.

ChVector	chrono::fsi::utils::ToChVector (const Real3 &p3)
	Convert a Real3 data structure to a ChVector data structure.

ChVector	chrono::fsi::utils::ToChVector (const Real2 &p2)
	Convert a Real2 data structure to a ChVector data structure.

ChVector	chrono::fsi::utils::ToChVector (const Real4 &p4)
	Convert the first 3 arguments of a Real4 data structure to a ChVector data structure.

ChQuaternion	chrono::fsi::utils::ToChQuaternion (const Real4 &q4)
	Convert a Real4 data structure to a ChQuaternion data structure.

Real3	chrono::fsi::utils::ToReal3 (const ChVector<> &v3)
	Convert a ChVector data structure to a Real3 data structure.

Real4	chrono::fsi::utils::ToReal4 (const ChVector<> &v3, Real m)
	Convert a ChVector and a scalar to a Real4 data structure.

Real4	chrono::fsi::utils::ToReal4 (const ChQuaternion<> &q4)
	Convert a ChQuaternion data structure to a Real4 data structure.

Function Documentation

◆ PrintFsiInfoToFile()

CH_FSI_API void chrono::fsi::utils::PrintFsiInfoToFile	(	const thrust::device_vector< Real3 > &	posRigidD,
		const thrust::device_vector< Real4 > &	velRigidD,
		const thrust::device_vector< Real4 > &	qRigidD,
		const thrust::device_vector< Real3 > &	posNodeD,
		const thrust::device_vector< Real3 > &	velNodeD,
		const thrust::host_vector< Real3 > &	forceRigid,
		const thrust::host_vector< Real3 > &	torqueRigid,
		const thrust::host_vector< Real3 > &	forceNode,
		const std::string &	dir,
		const double	time
	)

Helper function to save the FSI information into files.

When called, this function creates files to write position, velocity, orientation of rigid bosied and position, velocity of nodes on flexible bodies.

◆ PrintParticleToFile()

CH_FSI_API void chrono::fsi::utils::PrintParticleToFile	(	const thrust::device_vector< Real4 > &	posRadD,
		const thrust::device_vector< Real3 > &	velMasD,
		const thrust::device_vector< Real4 > &	rhoPresMuD,
		const thrust::device_vector< Real4 > &	sr_tau_I_mu_i,
		const thrust::device_vector< Real4 > &	derivVelRhoD,
		const thrust::host_vector< int4 > &	referenceArray,
		const thrust::host_vector< int4 > &	referenceArrayFEA,
		const std::string &	dir,
		const std::shared_ptr< SimParams > &	paramsH
	)

Helper function to save the SPH data into files.

When called, this function creates three files to write fluid, boundary and BCE particles data into files.

◆ WriteChPFParticlesToFile()

CH_FSI_API void chrono::fsi::utils::WriteChPFParticlesToFile	(	thrust::device_vector< Real4 > &	posRadD,
		thrust::host_vector< int4 > &	referenceArray,
		const std::string &	outfilename
	)

Helper function to save particle info from FSI system to a ChPF binary files.

This function saves only particle positions.

◆ WriteCsvParticlesToFile()

CH_FSI_API void chrono::fsi::utils::WriteCsvParticlesToFile	(	thrust::device_vector< Real4 > &	posRadD,
		thrust::device_vector< Real3 > &	velMasD,
		thrust::device_vector< Real4 > &	rhoPresMuD,
		thrust::host_vector< int4 > &	referenceArray,
		const std::string &	outfilename
	)

Helper function to save particle info from FSI system to a CSV files.

This function saves particle positions, velocities, rho, pressure, and mu.