netdem::Simulation Class Reference

Class for managing a DEM simulation. More...

#include <simulation.hpp>

Public Member Functions
	Simulation ()
	Constructor for the Simulation class.
void	Init ()
	Initializes the simulation with default settings.
void	AutoReadRestart (std::string const &path, int mech_cyc, int shape_info_case=0)
	Restarts the simulation using output files.
void	SetTimeAndCycles (double t, int cycs)
	Sets the current time and cycles (usually invoked after AutoReadRestart).
void	Run (double time)
	Runs the simulation for a specified period of time.
	~Simulation ()
	Destructor for the Simulation class.

Public Attributes
InputProcessor	input_processor
	Object for processing input commands defined in a JSON file.
DomainManager	domain_manager
	Manager for domain and sub-domain calculations.
MPIManager	mpi_manager
	Manages data exchange between sub-domains.
Scene	scene
	Contains and manages basic DEM objects (e.g., shapes, particles, walls) for a DEM simulation.
DEMSolver	dem_solver
	Implements DEM algorithms to solve the scene.
ModifierManager	modifier_manager
	Manages add-on features (i.e., customized evaluations not hard-coded in the DEM calculation cycle).
double	mech_time {0}
	The mechanical time in the simulation world.
int	mech_cycles {0}
	The mechanical cycles. Each cycle accounts for a [timestep] time increment of the simulation mechanical time.
bool	enable_logging {true}
	If true, output log information onto screen.

Detailed Description

Class for managing a DEM simulation.

Examples

00_nut_in_bolt.cpp, 02_energy_test.cpp, 0_geometric_solver.cpp, 0_plane_case.cpp, 1_gjk_solver.cpp, 1_membrane_case.cpp, 1_test_triaxial_comp.cpp, 2_sdf_solver.cpp, 3_hybrid_solver.cpp, 81_voronoi_packing.cpp, 90_packing_demo.cpp, 90_random_packing.cpp, 90_random_packing_trimesh.cpp, 91_packing_ellipsoid.cpp, 91_triaixal_comp.cpp, 91_triaixal_comp_trimesh.cpp, 92_angle_of_repose.cpp, 92_angle_repose_trimesh.cpp, 92_nut_in_bolt.cpp, 93_triaixal_comp_trimesh.cpp, 94_angle_repose_trimesh.cpp, 96_random_packing_ellipsoid.cpp, 97_triaixal_comp_sphere_geom.cpp, angle_repose_main.cpp, blade_mixing_main.cpp, landslide_main.cpp, and odemetric_comp_main.cpp.

Constructor & Destructor Documentation

Simulation()

Simulation::Simulation

(

)

Constructor for the Simulation class.

~Simulation()

Simulation::~Simulation

(

)

Destructor for the Simulation class.

Member Function Documentation

AutoReadRestart()

void Simulation::AutoReadRestart	(	std::string const &	path,
		int	mech_cyc,
		int	shape_info_case = 0 )

Restarts the simulation using output files.

Parameters

path	Path to the output files.
mech_cyc	Number of mechanical cycles.
shape_info_case	Shape information case. 0: 0-step json, 2: time-specific json.

Init()

void Simulation::Init

(

)

Initializes the simulation with default settings.

Run()

void Simulation::Run

(

double

time

)

Runs the simulation for a specified period of time.

Parameters

time	Amount of time to run the simulation for.

Examples

00_nut_in_bolt.cpp, 02_energy_test.cpp, 0_geometric_solver.cpp, 0_plane_case.cpp, 1_gjk_solver.cpp, 1_membrane_case.cpp, 1_test_triaxial_comp.cpp, 2_sdf_solver.cpp, 3_hybrid_solver.cpp, 81_voronoi_packing.cpp, 90_packing_demo.cpp, 90_random_packing.cpp, 90_random_packing_trimesh.cpp, 91_packing_ellipsoid.cpp, 91_triaixal_comp.cpp, 91_triaixal_comp_trimesh.cpp, 92_angle_of_repose.cpp, 92_angle_repose_trimesh.cpp, 92_nut_in_bolt.cpp, 93_triaixal_comp_trimesh.cpp, 94_angle_repose_trimesh.cpp, 96_random_packing_ellipsoid.cpp, 97_triaixal_comp_sphere_geom.cpp, angle_repose_main.cpp, blade_mixing_main.cpp, landslide_main.cpp, and odemetric_comp_main.cpp.

SetTimeAndCycles()

void Simulation::SetTimeAndCycles	(	double	t,
		int	cycs )

Sets the current time and cycles (usually invoked after AutoReadRestart).

Parameters

t	Time for the simulation.
cycs	Number of cycles for the simulation.

Member Data Documentation

dem_solver

DEMSolver netdem::Simulation::dem_solver

Implements DEM algorithms to solve the scene.

Examples

00_nut_in_bolt.cpp, 02_energy_test.cpp, 1_membrane_case.cpp, 1_test_triaxial_comp.cpp, 2_sdf_solver.cpp, 3_hybrid_solver.cpp, 81_voronoi_packing.cpp, 90_packing_demo.cpp, 90_random_packing.cpp, 90_random_packing_trimesh.cpp, 91_packing_ellipsoid.cpp, 91_triaixal_comp.cpp, 91_triaixal_comp_trimesh.cpp, 92_angle_of_repose.cpp, 92_angle_repose_trimesh.cpp, 92_nut_in_bolt.cpp, 93_triaixal_comp_trimesh.cpp, 94_angle_repose_trimesh.cpp, 96_random_packing_ellipsoid.cpp, 97_triaixal_comp_sphere_geom.cpp, and landslide_main.cpp.

domain_manager

DomainManager netdem::Simulation::domain_manager

Manager for domain and sub-domain calculations.

Examples

00_nut_in_bolt.cpp, 02_energy_test.cpp, 0_geometric_solver.cpp, 0_plane_case.cpp, 1_gjk_solver.cpp, 1_membrane_case.cpp, 1_test_triaxial_comp.cpp, 2_sdf_solver.cpp, 3_hybrid_solver.cpp, 81_voronoi_packing.cpp, 90_packing_demo.cpp, 90_random_packing.cpp, 90_random_packing_trimesh.cpp, 91_packing_ellipsoid.cpp, 91_triaixal_comp.cpp, 91_triaixal_comp_trimesh.cpp, 92_angle_of_repose.cpp, 92_angle_repose_trimesh.cpp, 92_nut_in_bolt.cpp, 93_triaixal_comp_trimesh.cpp, 94_angle_repose_trimesh.cpp, 96_random_packing_ellipsoid.cpp, 97_triaixal_comp_sphere_geom.cpp, angle_repose_main.cpp, blade_mixing_main.cpp, landslide_main.cpp, and odemetric_comp_main.cpp.

enable_logging

bool netdem::Simulation::enable_logging {true}

If true, output log information onto screen.

Examples

02_energy_test.cpp.

input_processor

InputProcessor netdem::Simulation::input_processor

Object for processing input commands defined in a JSON file.

mech_cycles

int netdem::Simulation::mech_cycles {0}

The mechanical cycles. Each cycle accounts for a [timestep] time increment of the simulation mechanical time.

mech_time

double netdem::Simulation::mech_time {0}

The mechanical time in the simulation world.

modifier_manager

ModifierManager netdem::Simulation::modifier_manager

Manages add-on features (i.e., customized evaluations not hard-coded in the DEM calculation cycle).

Examples

00_nut_in_bolt.cpp, 02_energy_test.cpp, 0_geometric_solver.cpp, 0_plane_case.cpp, 1_gjk_solver.cpp, 1_membrane_case.cpp, 1_test_triaxial_comp.cpp, 2_sdf_solver.cpp, 3_hybrid_solver.cpp, 81_voronoi_packing.cpp, 90_packing_demo.cpp, 90_random_packing.cpp, 90_random_packing_trimesh.cpp, 91_packing_ellipsoid.cpp, 91_triaixal_comp.cpp, 91_triaixal_comp_trimesh.cpp, 92_angle_of_repose.cpp, 92_angle_repose_trimesh.cpp, 92_nut_in_bolt.cpp, 93_triaixal_comp_trimesh.cpp, 94_angle_repose_trimesh.cpp, 96_random_packing_ellipsoid.cpp, 97_triaixal_comp_sphere_geom.cpp, angle_repose_main.cpp, blade_mixing_main.cpp, landslide_main.cpp, and odemetric_comp_main.cpp.

mpi_manager

MPIManager netdem::Simulation::mpi_manager

Manages data exchange between sub-domains.

scene

Scene netdem::Simulation::scene

Contains and manages basic DEM objects (e.g., shapes, particles, walls) for a DEM simulation.

Examples

00_nut_in_bolt.cpp, 02_energy_test.cpp, 0_geometric_solver.cpp, 0_plane_case.cpp, 1_gjk_solver.cpp, 1_membrane_case.cpp, 1_test_triaxial_comp.cpp, 2_sdf_solver.cpp, 3_hybrid_solver.cpp, 81_voronoi_packing.cpp, 90_packing_demo.cpp, 90_random_packing.cpp, 90_random_packing_trimesh.cpp, 91_packing_ellipsoid.cpp, 91_triaixal_comp.cpp, 91_triaixal_comp_trimesh.cpp, 92_angle_of_repose.cpp, 92_angle_repose_trimesh.cpp, 92_nut_in_bolt.cpp, 93_triaixal_comp_trimesh.cpp, 94_angle_repose_trimesh.cpp, 96_random_packing_ellipsoid.cpp, 97_triaixal_comp_sphere_geom.cpp, angle_repose_main.cpp, blade_mixing_main.cpp, landslide_main.cpp, and odemetric_comp_main.cpp.

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The documentation for this class was generated from the following files:

• /Users/lzhshou/Documents/Research/myProjects/apaam/repo/netdem/src/simulation.hpp
• /Users/lzhshou/Documents/Research/myProjects/apaam/repo/netdem/src/simulation.cpp