WOLFRAM SYSTEMMODELER

Cylinder_analytic_CAD

One cylinder with analytic handling of kinematic loop and CAD visualization

Diagram

Wolfram Language

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SystemModel["Modelica.Mechanics.MultiBody.Examples.Loops.Utilities.Cylinder_analytic_CAD"]
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Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Slider-crank mechanism with analytic handling of kinematic loop to model one cylinder in an engine.

Connectors (4)

cylinder_a

Type: Frame_a

Description:

cylinder_b

Type: Frame_a

Description:

crank_a

Type: Frame_a

Description:

crank_b

Type: Frame_a

Description:

Parameters (20)

animation

Value: true

Type: Boolean

Description: = true, if animation shall be enabled

cylinderTopPosition

Value: 0.42

Type: Length (m)

Description: Length from crank shaft to end of cylinder.

crankLength

Value: 0.14

Type: Length (m)

Description: Length of crank shaft in x direction

crankPinOffset

Value: 0.05

Type: Length (m)

Description: Offset of crank pin from center axis

crankPinLength

Value: 0.1

Type: Length (m)

Description: Offset of crank pin from center axis

cylinderInclination

Value: 0

Type: Angle_deg (°)

Description: Inclination of cylinder

crankAngleOffset

Value: 0

Type: Angle_deg (°)

Description: Offset for crank angle

pistonLength

Value: 0.1

Type: Length (m)

Description: Length of cylinder

pistonCenterOfMass

Value: pistonLength / 2

Type: Length (m)

Description: Distance from frame_a to center of mass of piston

pistonMass

Value: 6

Type: Mass (kg)

Description: Mass of piston

pistonInertia_11

Value: 0.0088

Type: Inertia (kg·m²)

Description: Inertia 11 of piston with respect to center of mass frame, parallel to frame_a

pistonInertia_22

Value: 0.0076

Type: Inertia (kg·m²)

Description: Inertia 22 of piston with respect to center of mass frame, parallel to frame_a

pistonInertia_33

Value: 0.0088

Type: Inertia (kg·m²)

Description: Inertia 33 of piston with respect to center of mass frame, parallel to frame_a

rodLength

Value: 0.175

Type: Length (m)

Description: Length of rod

rodCenterOfMass

Value: rodLength / 2

Type: Length (m)

Description: Distance from frame_a to center of mass of piston

rodMass

Value: 1

Type: Mass (kg)

Description: Mass of rod

rodInertia_11

Value: 0.006

Type: Inertia (kg·m²)

Description: Inertia 11 of rod with respect to center of mass frame, parallel to frame_a

rodInertia_22

Value: 0.0005

Type: Inertia (kg·m²)

Description: Inertia 22 of rod with respect to center of mass frame, parallel to frame_a

rodInertia_33

Value: 0.006

Type: Inertia (kg·m²)

Description: Inertia 33 of rod with respect to center of mass frame, parallel to frame_a

cylinderLength

Value: cylinderTopPosition - (pistonLength + rodLength - crankPinOffset)

Type: Length (m)

Description: Maximum length of cylinder volume

Components (10)

Mid

Type: FixedTranslation

Description:

Mounting

Type: FixedTranslation

Description:

CylinderInclination

Type: FixedRotation

Description:

CrankAngle

Type: FixedRotation

Description:

jointRRP

Type: JointRRP

Description:

Rod

Type: BodyShape

Description:

Piston

Type: BodyShape

Description:

gasForce

Type: GasForce

Description:

Crank

Type: FixedTranslation

Description:

CrankShape

Type: FixedShape

Description: