VariableDamper

1D translational damper with variable damping factor

    VariableDamper

Library

ModelicaExtras/Mechanics/Translational

Description

Linear, velocity dependent damper element. It can be either connected between a sliding mass and the housing (model Fixed), or between two sliding masses.

Parameters

VariableDamper_0

NameLabelDescriptionData TypeValid Values

mo_s_rel

s_rel

s_rel

Structure

mo_s_rel/fixed

fixed

Cell of scalars

true
false

mo_s_rel/start

start

Cell of scalars

mo_v_rel

v_rel

v_rel

Structure

mo_v_rel/fixed

fixed

Cell of scalars

true
false

mo_v_rel/start

start

Cell of scalars

mo_useHeatPort

useHeatPort

=true, if heatPort is enabled

Number

0
1

VariableDamper_1

NameLabelDescriptionData TypeValid Values

mo_stateSelect

stateSelect

Priority to use s_rel and v_rel as states

Structure

mo_stateSelect/choice1

StateSelect.never

Number

0
1

mo_stateSelect/choice2

StateSelect.avoid

Number

0
1

mo_stateSelect/choice3

StateSelect.default

Number

0
1

mo_stateSelect/choice4

StateSelect.prefer

Number

0
1

mo_stateSelect/choice5

StateSelect.always

Number

0
1

mo_s_nominal

s_nominal

Nominal value of s_rel (used for scaling)

Scalar

VariableDamper_2

NameLabelDescriptionData TypeValid Values

mo__nmodifiers

Number of Modifiers

Specifies the number of modifiers

Number

mo__modifiers

Modifiers

Add new modifier

Structure

mo__modifiers/varname

Variable name

Cell of strings

'f'
'lossPower'

mo__modifiers/attribute

Attribute

Cell of strings

'start'
'fixed'

mo__modifiers/value

Value

Ports

NameTypeDescriptionIO TypeNumber

d

implicit

Variable damping factor

input

1

flange_a

implicit

Left flange of compliant 1-dim. translational component

input

2

flange_b

implicit

Right flange of compliant 1-dim. translational component

output

1

Port 4

implicit

Optional port to which dissipated losses are transported in form of heat

input

mo_useHeatPort

See Also