NonLinearDynamic

class sharpy.solvers.nonlineardynamic.NonLinearDynamic

Structural solver used for the dynamic simulation of free-flying structures.

This solver provides an interface to the structural library (xbeam) and updates the structural parameters for every time step of the simulation.

This solver is called as part of a standalone structural simulation.

The settings that this solver accepts are given by a dictionary, with the following key-value pairs:

Name	Type	Description	Default
print_info	bool	Print output to screen	True
max_iterations	int	Sets maximum number of iterations	100
num_load_steps	int		1
delta_curved	float		0.01
min_delta	float	Structural solver tolerance	1e-05
newmark_damp	float	Sets the Newmark damping coefficient	0.0001
gravity_on	bool	Flag to include gravitational forces	False
gravity	float	Gravitational acceleration	9.81
gravity_dir	list(float)	Direction in G where gravity applies	[0, 0, 1]
relaxation_factor	float		0.3
dt	float	Time step increment	0.01
num_steps	int		500
prescribed_motion	bool		None