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	Plate_BC_params_t
	Customized finite Plate defined by center of the plate, normal and y dim. More...

struct	Sphere_BC_params_t
	Sphere. 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, CHPF, 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, PLATE, 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...

unsigned int	quarryCsvFormat (const std::string &line)

unsigned int	quarryHistoryFormat (const std::string &line, unsigned int max_partner)

constexpr unsigned int	hash_charr (const char *s, int off=0)

constexpr unsigned int	operator""_ (const char *s, size_t)

bool	diff (float a, float b)

bool	diff (float3 a, float3 b)

template<typename Enumeration >
auto	as_uint (Enumeration const value) -> typename std::underlying_type< Enumeration >::type

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