Description

Namespace with classes for the Gpu module.

Classes
struct	BC_params_t
	big enum to handle all possible boundary conditions More...

struct	ChGpuSimulationParameters
	Structure with Chrono::Gpu simulation parameters. More...

class	ChGpuVisualization
	Run-time visualization support for Chrono::Gpu systems. More...

class	ChSolverStateData
	ChSolverStateData contains information that pertains the solver, at a certain point in time. More...

class	ChSystemGpu
	Interface to a Chrono::Gpu system. More...

class	ChSystemGpuMesh
	Interface to a Chrono::Gpu mesh system. More...

struct	Plane_BC_params_t
	Infinite Plane defined by point in plane and normal. More...

struct	Z_Cone_BC_params_t
	Z-aligned cone pointed downward. More...

struct	Z_Cylinder_BC_params_t
	Infinite Z-aligned cylinder. More...

Typedefs
typedef std::function< double3(float)>	GranPositionFunction
	Used to compute position as a function of time.

Enumerations
enum	CHGPU_VERBOSITY { QUIET = 0, INFO = 1, METRICS = 2 }
	Verbosity level of the system.

enum	CHGPU_MESH_VERBOSITY { QUIET = 0, INFO = 1 }
	Verbosity level.

enum	CHGPU_OUTPUT_MODE { CSV, BINARY, HDF5, NONE }
	Output mode of system.

enum	CHGPU_TIME_INTEGRATOR { FORWARD_EULER, CHUNG, CENTERED_DIFFERENCE, EXTENDED_TAYLOR }
	How are we integrating through time.

enum	CHGPU_FRICTION_MODE { FRICTIONLESS, SINGLE_STEP, MULTI_STEP }
	Supported friction model.

enum	CHGPU_ROLLING_MODE { NO_RESISTANCE, SCHWARTZ, ELASTIC_PLASTIC }
	Rolling resistance models – ELASTIC_PLASTIC not implemented yet.

enum	CHGPU_OUTPUT_FLAGS { ABSV = 1, VEL_COMPONENTS = 2, FIXITY = 4, ANG_VEL_COMPONENTS = 8, FORCE_COMPONENTS = 16 }

enum	BC_type { SPHERE, CONE, PLANE, CYLINDER }

Functions
std::string	chrono_gpu_data_path ("../data/gpu/")

void	SetDataPath (const std::string &path)
	Set the path to the Chrono::Gpu data directory (ATTENTION: not thread safe).

const std::string &	GetDataPath ()
	Get the current path to the Chrono::Gpu data directory (thread safe).

std::string	GetDataFile (const std::string &filename)
	Get the complete path to the specified filename (thread safe). More...

void	ShowJSONUsage ()
	Print scheme for JSON file with simulation settings.

void	InvalidArg (string arg)
	Flag an invalid simulation parameter.

bool	ParseJSON (const std::string &json_file, ChGpuSimulationParameters &params, bool verbose=true)
	Parse the specified JSON file with simulation settings. More...

template<typename Real >
std::vector< ChVector< Real > >	MeshSphericalDecomposition (std::string objfilename, ChVector< Real > scaling, ChVector< Real > offset, Real sphere_radius)
	Decompose a given triangle mesh surface into a minimally-overlapping collection of spheres. More...

Variables
const GranPositionFunction	GranPosFunction_default = [](float t) { return make_double3(0, 0, 0); }
	Position function representing no motion or offset as a funtion of time.

Classes