WOLFRAM SYSTEM MODELER
TestCylinderTwo cylinder system |
SystemModel["Modelica.Thermal.FluidHeatFlow.Examples.TestCylinder"]
This information is part of the Modelica Standard Library maintained by the Modelica Association.
Test of a system with 2 cylinders (with same volume):
A force is applied that presses from 0.25 s to 0.50 s with 1 Nm on piston1. Due to the ratio of areas 10:1
At piston2 a mass is mounted which is moved and presses the springDamper. When the force at piston1 is removed, the springDamper pushes back the mass and a damped oscillation occurs.
Note: Take care of the initial conditions. The unstretched spring length is cylinder2.L/2, i.e. when piston2 is the middle of its cylinder the spring applies no force to the mass (and piston2).
f1 |
Default Value: -10 * cylinder1.f Type: Force (N) Description: 10 x Force on piston 1 |
---|---|
s1 |
Default Value: 0.1 * cylinder1.s Type: Position (m) Description: 0.1 x Position of piston 1 |
s2 |
Default Value: cylinder2.s Type: Position (m) Description: Position of piston 2 |
f2 |
Default Value: -cylinder2.f Type: Force (N) Description: Force on piston 2 |
f |
Default Value: springDamper.f Type: Force (N) Description: Force of springDamper |
combiTimeTable |
Type: CombiTimeTable Description: Table look-up with respect to time and linear/periodic extrapolation methods (data from matrix/file) |
|
---|---|---|
force |
Type: Force Description: External force acting on a drive train element as input signal |
|
cylinder1 |
Type: Cylinder Description: Simple model of a piston in a cylinder |
|
cylinder2 |
Type: Cylinder Description: Simple model of a piston in a cylinder |
|
mass |
Type: Mass Description: Sliding mass with inertia |
|
springDamper |
Type: SpringDamper Description: Linear 1D translational spring and damper in parallel |
|
fixed |
Type: Fixed Description: Fixed flange |