chrono::gpu Namespace Reference

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  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 char *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.