Description

Structure with SPH method parameters.

#include <ChFsiFluidSystemSPH.h>

Public Attributes
IntegrationScheme	integration_scheme
	Integration scheme (default: RK2)

EosType	eos_type
	equation of state (default: ISOTHERMAL)

ViscosityMethod	viscosity_method
	viscosity treatment (default: ARTIFICIAL_UNILATERAL)

BoundaryMethod	boundary_method
	boundary treatment (default: ADAMI)

KernelType	kernel_type
	kernel type (default: CUBIC_CPLINE)

ShiftingMethod	shifting_method
	shifting method (default: XSPH)

int	num_bce_layers
	number of BCE layers (boundary and solids, default: 3)

double	initial_spacing
	initial particle spacing (default: 0.01)

double	d0_multiplier
	kernel length multiplier, h = d0_multiplier * initial_spacing (default: 1.2)

double	max_velocity
	maximum velocity (default: 1.0)

double	shifting_xsph_eps
	XSPH coefficient (default: 0.5)

double	shifting_ppst_push
	PPST pushing coefficient (default: 3.0)

double	shifting_ppst_pull
	shifting beta coefficient (default: 1.0)

double	shifting_beta_implicit
	shifting coefficient used in implicit solver (default: 1.0)

double	shifting_diffusion_A
	shifting coefficient used in diffusion (default: 2.0, range 1 to 6)

double	shifting_diffusion_AFSM
	shifting coefficient used in diffusion (default: 3.0)

double	shifting_diffusion_AFST
	shifting coefficient used in diffusion (default: 2.0)

double	min_distance_coefficient
	min inter-particle distance as fraction of kernel radius (default: 0.01)

int	density_reinit_steps
	number of steps between density reinitializations (default: 2e8)

bool	use_density_based_projection
	(ISPH only, default: false)

bool	use_consistent_gradient_discretization
	use G matrix in SPH gradient approximation (default: false)

bool	use_consistent_laplacian_discretization
	use L matrix in SPH Laplacian approximation (default: false)

double	artificial_viscosity
	artificial viscosity coefficient (default: 0.02)

bool	use_delta_sph
	use delta SPH (default: true)

double	delta_sph_coefficient
	delta SPH coefficient (default: 0.1)

double	free_surface_threshold
	threshold for identifying free surface (CRM only, default: 0.8)

int	num_proximity_search_steps
	number of steps between updates to neighbor lists (default: 4)

bool	use_variable_time_step
	use variable time step (default: false)

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

/builds/uwsbel/chrono/src/chrono_fsi/sph/ChFsiFluidSystemSPH.h
/builds/uwsbel/chrono/src/chrono_fsi/sph/ChFsiFluidSystemSPH.cpp

Description

Public Attributes