VariableSpring

1D rotational spring with variable stiffness

    VariableSpring

Library

ModelicaExtras/Mechanics/Rotational

Description

A linear 1D rotational spring. The component can be connected either between two inertias/gears to describe the shaft elasticity, or between a inertia/gear and the housing (component Fixed), to describe a coupling of the element with the housing via a spring.

Parameters

VariableSpring_0

NameLabelDescriptionData TypeValid Values

mo_phi_rel0

phi_rel0

Unstretched spring angle

Scalar

VariableSpring_1

NameLabelDescriptionData TypeValid Values

mo_c

c

c

Structure

mo_c/fixed

fixed

Cell of scalars

true
false

mo_c/start

start

Cell of scalars

mo_phi_rel

phi_rel

phi_rel

Structure

mo_phi_rel/fixed

fixed

Cell of scalars

true
false

mo_phi_rel/start

start

Cell of scalars

mo_tau

tau

tau

Structure

mo_tau/fixed

fixed

Cell of scalars

true
false

mo_tau/start

start

Cell of scalars

Ports

NameTypeDescriptionIO TypeNumber

c

implicit

Variable spring constant

input

1

flange_a

implicit

Left flange of compliant 1-dim. rotational component

input

2

flange_b

implicit

Right flange of compliant 1-dim. rotational component

output

1