Description

Physics objects for the Chrono::FSI module. Including the fluid dynamics system, force system, interface with Chrono core module, simulation parameters, and data structures.

Collaboration diagram for Physics objects:

Namespaces
	chrono::fsi::BoxSide
	Enumeration for box sides.

	chrono::fsi::CylSide
	Enumeration for cylinder sides.

Classes
class	chrono::fsi::ChFluidSystem
	Base class for an FSI-aware fluid solver. More...

struct	chrono::fsi::FsiBodyState
	Definition of a body state. More...

struct	chrono::fsi::FsiBodyForce
	Definition of a body wrench (force + torque). More...

struct	chrono::fsi::FsiMeshState
	Definition of node states for a mesh. More...

struct	chrono::fsi::FsiMeshForce
	Definition of a node forces for a mesh. More...

struct	chrono::fsi::FsiBody
	Description of a rigid body exposed to the FSI system. More...

struct	chrono::fsi::FsiMesh1D
	Description of an FEA mesh with 1-D segments exposed to the FSI system. More...

struct	chrono::fsi::FsiMesh2D
	Description of an FEA mesh with 2-D faces exposed to the FSI system. More...

class	chrono::fsi::ChFsiInterface
	Base class for processing the interface between Chrono and FSI modules. More...

class	chrono::fsi::ChFsiInterfaceGeneric
	Generic interface between a Chrono multibody system and a fluid system. More...

class	chrono::fsi::ChFsiSystem
	Base class for a system for fluid-solid interaction problems. More...

class	chrono::fsi::ChFluidSystemSPH
	Physical system for and SPH FSI-aware fluid solver. More...

class	chrono::fsi::ChFsiInterfaceSPH
	Custom FSI interface between a Chrono multibody system and the SPH-based fluid system. More...

class	chrono::fsi::ChFsiProblemSPH
	Base class to set up a Chrono::FSI problem. More...

class	chrono::fsi::ChFsiProblemCartesian
	Class to set up a Chrono::FSI problem using particles and markers on a Cartesian coordinates grid. More...

class	chrono::fsi::ChFsiProblemCylindrical
	Class to set up a Chrono::FSI problem using particles and markers on a cylindrical coordinates grid. More...

class	chrono::fsi::DepthPressurePropertiesCallback
	Predefined SPH particle initial properties callback (depth-based pressure). More...

class	chrono::fsi::WaveTankRampBeach
	Predefined wave tank profile with a ramp beach. More...

class	chrono::fsi::WaveTankParabolicBeach
	Predefined wave tank profile with a parabolic beach. More...

class	chrono::fsi::ChFsiSystemSPH
	FSI system using an SPH-based fluid solver. More...

class	chrono::fsi::sph::BceManager
	Manager for processing boundary condition enforcing (BCE) particle forces in an FSI system. More...

class	chrono::fsi::sph::ChFluidDynamics
	Class to represent the fluid/granular dynamics system. More...

class	chrono::fsi::sph::ChFsiForce
	Base class to calculate force between SPH particles. More...

class	chrono::fsi::sph::ChFsiForceExplicitSPH
	Inter-particle force calculation for explicit schemes. More...

class	chrono::fsi::sph::ChFsiForceI2SPH
	Inter-particle force calculation for the I2SPH method. More...

struct	chrono::fsi::sph::SimParams
	Structure with FSI simulation parameters. More...

struct	chrono::fsi::sph::SphMarkerDataD
	Struct to store the information of SPH particles on the device. More...

struct	chrono::fsi::sph::SphMarkerDataH
	Struct to store the information of SPH particles on the host. More...

struct	chrono::fsi::sph::FsiBodyStateH
	Rigid body states on host. More...

struct	chrono::fsi::sph::FsiBodyStateD
	Rigid body states on device. More...

struct	chrono::fsi::sph::FsiMeshStateH
	FEA mesh states on host. More...

struct	chrono::fsi::sph::FsiMeshStateD
	FEA mesh state on device. More...

struct	chrono::fsi::sph::ProximityDataD
	Struct to store neighbor search information on the device. More...

struct	chrono::fsi::sph::CudaDeviceInfo
	Struct to store CUDA device information. More...

struct	chrono::fsi::sph::Counters
	Number of rigid and flexible solid bodies, fluid SPH particles, solid SPH particles, boundary SPH particles. More...

class	chrono::fsi::sph::FsiDataManager
	Data manager for the SPH-based FSI system. More...

Typedefs
typedef thrust::device_vector< Real3 >::iterator	chrono::fsi::sph::r3IterD
	typedef device iterators for shorthand SPH operation of thrust vectors of Real3

typedef thrust::device_vector< Real4 >::iterator	chrono::fsi::sph::r4IterD
	typedef device iterators for shorthand SPH operation of thrust vectors of Real4

typedef thrust::tuple< r4IterD, r3IterD, r4IterD, r3IterD, r3IterD >	chrono::fsi::sph::iterTupleSphD
	typedef device tuple for holding SPH data pos,vel,[rho,pressure,mu,type]

typedef thrust::zip_iterator< iterTupleSphD >	chrono::fsi::sph::zipIterSphD

typedef thrust::host_vector< Real3 >::iterator	chrono::fsi::sph::r3IterH
	typedef host iterators for shorthand SPH operation of thrust vectors of Real3

typedef thrust::host_vector< Real4 >::iterator	chrono::fsi::sph::r4IterH
	typedef host iterators for shorthand SPH operation of thrust vectors of Real4

typedef thrust::tuple< r4IterH, r3IterH, r4IterH, r3IterH, r3IterH >	chrono::fsi::sph::iterTupleH
	typedef host tuple for holding SPH data pos,vel,[rho,pressure,mu,type]

typedef thrust::zip_iterator< iterTupleH >	chrono::fsi::sph::zipIterSphH

typedef thrust::tuple< r3IterD, r3IterD, r3IterD, r4IterD, r3IterD, r3IterD >	chrono::fsi::sph::iterTupleRigidD
	typedef device iterators for shorthand rigid body states: pos,lin_vel,lin_acc,rot,ang_Vel,ang_acc

typedef thrust::zip_iterator< iterTupleRigidD >	chrono::fsi::sph::zipIterRigidD

typedef thrust::tuple< r3IterH, r3IterH, r3IterH, r4IterH, r3IterH, r3IterH >	chrono::fsi::sph::iterTupleRigidH
	typedef host iterators for shorthand rigid body states: pos,lin_vel,lin_acc,rot,ang_Vel,ang_acc

typedef thrust::zip_iterator< iterTupleRigidH >	chrono::fsi::sph::zipIterRigidH

typedef thrust::tuple< r3IterH, r3IterH, r3IterH, r4IterH, r3IterH, r3IterH >	chrono::fsi::sph::iterTupleChronoBodiesH
	typedef device iterators for shorthand chrono bodies operations

typedef thrust::zip_iterator< iterTupleChronoBodiesH >	chrono::fsi::sph::zipIterChronoBodiesH

Enumerations
enum	chrono::fsi::PhysicsProblem { chrono::fsi::PhysicsProblem::CFD, chrono::fsi::PhysicsProblem::CRM }
	Physics problem type. More...

enum	chrono::fsi::SPHMethod { chrono::fsi::SPHMethod::WCSPH, chrono::fsi::SPHMethod::I2SPH }
	SPH method. More...

enum	chrono::fsi::ShiftingMethod { NONE, PPST, XSPH, PPST_XSPH, DIFFUSION, DIFFUSION_XSPH }
	Shifting Methods.

enum	chrono::fsi::EosType { TAIT, ISOTHERMAL }
	Equation of State type. More...

enum	chrono::fsi::KernelType { QUADRATIC, CUBIC_SPLINE, QUINTIC_SPLINE, WENDLAND }
	SPH kernel type.

enum	chrono::fsi::ViscosityType { LAMINAR, ARTIFICIAL_UNILATERAL, ARTIFICIAL_BILATERAL }
	Visosity method type.

enum	chrono::fsi::BoundaryType { ADAMI, HOLMES }
	Boundary type.

enum	chrono::fsi::Rheology { INERTIA_RHEOLOGY, NONLOCAL_FLUIDITY }
	Rheology type.

enum	chrono::fsi::FrictionLaw { CONSTANT, LINEAR, NONLINEAR }
	Friction law in ISPH.

enum	chrono::fsi::SolverType { JACOBI, BICGSTAB, GMRES, CR, CG, SAP }
	Linear solver type.

enum	chrono::fsi::BcePatternMesh1D { FULL, STAR }
	BCE pattern in cross section of 1-D flexible elements. More...

enum	chrono::fsi::BcePatternMesh2D { CENTERED, OUTWARD, INWARD }
	BCE pattern along normal of 2-D surface of flexible elements. More...

enum	chrono::fsi::OutputLevel { chrono::fsi::OutputLevel::STATE, chrono::fsi::OutputLevel::STATE_PRESSURE, chrono::fsi::OutputLevel::CFD_FULL, chrono::fsi::OutputLevel::CRM_FULL }
	Output level. More...

Enumeration Type Documentation

◆ BcePatternMesh1D

enum chrono::fsi::BcePatternMesh1D

strong

BCE pattern in cross section of 1-D flexible elements.

The available patterns are illustrated below (assuming 3 BCE layers):

FULL:
     X--X--X
     X--X--X
     X--X--X
STAR:
     ---X---
     X--X--X
     ---X---

◆ BcePatternMesh2D

enum chrono::fsi::BcePatternMesh2D

strong

BCE pattern along normal of 2-D surface of flexible elements.

The choices are illustrated below (assuming 3 BCE layers):

OUTWARD:
   ^ n
   |    ...--X--X--X--...
   |    ...--X--X--X--...
---|---------X--X--X-------- surface

CENTERED:
   ^ n
   |    ...--X--X--X--...
---|---------X--X--X-------- surface
   |    ...--X--X--X--...

INWARD:
   ^ n
---|---------X--X--X-------- surface
   |    ...--X--X--X--...
   |    ...--X--X--X--...

◆ EosType

enum chrono::fsi::EosType

strong

Equation of State type.

see https://pysph.readthedocs.io/en/latest/reference/equations.html#basic-wcsph-equations

◆ OutputLevel

enum chrono::fsi::OutputLevel

strong

Output level.

Enumerator
STATE	marker state, velocity, and acceleration
STATE_PRESSURE	STATE plus density and pressure.
CFD_FULL	STATE_PRESSURE plus various CFD parameters.
CRM_FULL	STATE_PRESSURE plus normal and shear stress.

◆ PhysicsProblem

enum chrono::fsi::PhysicsProblem

strong

Physics problem type.

Enumerator
CFD	incompressible fluid problem
CRM	continuous granular problem

◆ SPHMethod

enum chrono::fsi::SPHMethod

strong

SPH method.

Enumerator
WCSPH	Weakly Compressible SPH (explicit)
I2SPH	Implicit SPH.

Description

Namespaces

Classes

Typedefs

Enumerations

Enumeration Type Documentation

◆ BcePatternMesh1D

◆ BcePatternMesh2D

◆ EosType

◆ OutputLevel

◆ PhysicsProblem

◆ SPHMethod