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MapleSim Hydraulics Library from Modelon

Pressure Dependent Damper  Translational damper through pressure dependent forces

Non-linear damper model: hydrodynamic friction in a cylinder. The damping coefficient shall be smaller than the piston area at port A.

 

Equations

Variables

Connections

Parameters

Equations

f=pApBkp

flange_b.f=f

mflowA=0

mflowB=0

srel=flange_b.sflange_a.s

vrel=tsrel

flange_a.f+flange_b.f=0

Variables

Name

Value

Units

Description

Modelica ID

srel

 

m

Relative distance

s_rel

vrel

 

ms

Relative viscosity

v_rel

f

 

N

Force between flanges

f

pAsummary

pA

Pa

Pressure at port A

summary_pA

pBsummary

pB

Pa

Pressure at port B

summary_pB

fasummary

flange_a.f

N

Force acting on flange a

summary_fa

fbsummary

flange_b.f

N

Force acting on flange b

summary_fb

Connections

Name

Description

Modelica ID

flangea

Cylinder mounting point

flange_a

flangeb

Piston mounting point

flange_b

portA

Pressure in chamber A

port_A

portB

Pressure in chamber B

port_B

Parameters

Name

Default

Units

Description

Modelica ID

kp

0

 

Pressure damping coefficient

kp

See Also

Cylinders

MapleSim Hydraulics Library from Modelon Overview

 


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