equal_lin_vel_node_FoR

This function generates the stiffness and damping matrices and the independent vector associated to a constraint that imposes equal linear velocities between a node and a frame of reference

See LagrangeConstraints for the description of variables

param node_number:

number of the “node” within its own body

type node_number:

int

param node_body:

body number of the “node”

type node_body:

int

param node_FoR_dof:

position of the first degree of freedom of the FoR to which the “node” belongs

type node_FoR_dof:

int

param node_dof:

position of the first degree of freedom associated to the “node”

type node_dof:

int

param FoR_body:

body number of the “FoR”

type FoR_body:

int

param FoR_dof:

position of the first degree of freedom associated to the “FoR”

type FoR_dof:

int

param rel_posB:

relative position between the node and the FoR (in the node B FoR)

type rel_posB:

float np.array