modelSpringDamper

Linear 1D rotational spring and damper in parallel

Extends from Interfaces.OnePort (OnePort partial model of rotational library).

Information

A spring and a damper connected in parallel. Since this is such a frequently used combination, a separate model was created for it.

Type	Name	Default	Description
Modelica.SIunits.Angle	phi_rel0	0	Unstretched spring angle
Real	c		Spring constant
Real	d	0	Damping constant

Type	Name	Default	Description
Flange_a	flange_a (from OnePort)		Left rotational connector
Flange_b	flange_b (from OnePort)		Right rotational connector

Type	Name	Description
Modelica.SIunits.AngularVelocity	w_rel	Relative angular velocity between flange_a and flange_b
Modelica.SIunits.Torque	tau	Friction torque (positive, if directed in opposite direction of w_rel)
Spring	spring
Damper	damper