Description

SPH-based fluid solver and FSI interface.

Collaboration diagram for SPH-based FSI module:

Modules
	Physics objects

	Math support

	Utilities

	Visualization

Namespaces
	chrono::fsi::sph::PeriodicSide
	Enumeration for specifying whether the sides of a computational domain are periodic or not.

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

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

Classes
struct	chrono::fsi::sph::Real2
	Pair of reals. More...

struct	chrono::fsi::sph::Real3
	Triplet of reals. More...

struct	chrono::fsi::sph::Real4
	Quadruplet of reals. More...

class	chrono::fsi::sph::ChFsiFluidSystemSPH
	Physical system for an FSI-aware SPH fluid solver. More...

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

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

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

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

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

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

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

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

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

Typedefs
typedef float	chrono::fsi::sph::Real
	Real type used in the SPH Chrono::FSI module (float or double).

typedef unsigned int	chrono::fsi::sph::uint
	Unsigned int type used in the SPH Chrono::FSI module.

typedef unsigned short	chrono::fsi::sph::ushort
	Unsigned short type used in the SPH Chrono::FSI module.

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

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

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

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

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

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

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

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

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

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

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

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

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

Enumeration Type Documentation

◆ BcePatternMesh1D

enum chrono::fsi::sph::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::sph::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::sph::EosType

strong

Equation of State type.

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

◆ OutputLevel

enum chrono::fsi::sph::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::sph::PhysicsProblem

strong

Physics problem type.

Enumerator
CFD	incompressible fluid problem
CRM	continuous granular problem

◆ SPHMethod

enum chrono::fsi::sph::SPHMethod

strong

SPH method.

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

Description

Modules

Namespaces

Classes

Typedefs

Enumerations

Enumeration Type Documentation

◆ BcePatternMesh1D

◆ BcePatternMesh2D

◆ EosType

◆ OutputLevel

◆ PhysicsProblem

◆ SPHMethod