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MapleSim Hydraulics Library from Modelon

Elasto Gap  1D translational spring-damper combination with gap

A linear parallel spring-damper combination that can lose contact with flange_a; thus, the spring-damper can only push. Pushing is identified as:

1) The spring is compressed.

AND 

2) The damper extension force is less than spring compression force.

 

Equations

Variables

Connections

Parameters

Equations

f=min0&comma;f_c+f_df_c<0f=0otherwise

f_c&equals;csrelsrel0

f_d&equals;dvrel

srel&equals;switchflange_b.sflange_a.s

vrel&equals;tsrel

flange_a.fswitch&equals;f

flange_a.f&plus;flange_b.f&equals;0

Variables

Name

Value

Units

Description

Modelica ID

srel

 

m

Relative position

s_rel

f

 

N

Force between flanges

f

Connections

Name

Description

Modelica ID

flangea

 

flange_a

flangeb

 

flange_b

Parameters

Name

Default

Units

Description

Modelica ID

reverse

false

 

Reverse the sign convention, see documentation for details

reverse

srel0

0

m

Preload distance

s_rel0

c

1

Nm

Spring rate

c

d

1

Nsm

Damping rate

d

See Also

Cylinders

MapleSim Hydraulics Library from Modelon Overview

 


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