Torsion shock absorber

| C |
in the palette on the schematic
The block is designed to simulate a torsional (rotatory) shock absorber, which includes a viscoelastic torque and a breaking friction torque. The block includes the following blocks:

Inputs

Name Description Connection line type
C Port for connecting a conditionally fixed case (case) Rotary mechanics
R Port for connecting a conditionally moving shaft (rotor) Rotary mechanics

Outputs

None.

Properties

Name Parameter Description By default Data type
Spring Group of properties that set the characteristics of the spring
Spring constant, N·m/rad K Spring constant 1000 Вещественное
Initial compression, rad S0 Initial spring compression at zero turn angles at the block ports. Negative value sets the pre-stretch 0 Вещественное
Damper Group of properties that define the damper characteristics
Damping factor, N·s/rad. D Damping factor 1 Вещественное
Friction Group of properties that define the characteristics of friction
Breakaway angular speed, rad/s Wth The threshold value of the speed below which the value of the friction torque is reduced to achieve the stability of the numerical solution 0.001 Вещественное
Breakaway friction torque, Nm Tbrk Breakaway friction torque 2 Вещественное
Dry (coulomb) friction torque, Nm Tc Dry (coulomb) friction torque 1 Вещественное
Damp ratio, s/rad C Damp ratio 1 Вещественное
Stops Group of properties that set the characteristics of the stopper
Position of the upper stop, rad Fiup Position of the upper stop 0.1 Вещественное
Position of the lower stop, rad Filow Position of the lower stop -0.1 Вещественное
Stiffness factor of the upper stop, Nm/rad Sup Stiffness factor of the upper stop 1000000 Вещественное
Stiffness factor of the lower stop, Nm/rad Slow Stiffness factor of the lower stop 1000000 Вещественное
Damping factor of the upper stop, Nm·s/rad. Dup Damping factor of the upper stop 0.01 Вещественное
Damping factor of the lower stop, Nm·s/rad. Dlow Damping factor of the lower stop 0.01 Вещественное

Parameters

Name Parameter Description Data type
Torsion shock absorber deformation, rad Fi Torsion shock absorber deformation Вещественное
Angular speed differential, rad/s W Relative angular speed Вещественное
Torque, Nm T Total torque Вещественное

Examples

Examples of block application: