WOLFRAM SYSTEM MODELER

Cylinder

Cylinder type

Diagram

Wolfram Language

In[1]:=
SystemModel["Modelica.Mechanics.MultiBody.Examples.Loops.Utilities.EngineV6_analytic.Cylinder"]
Out[1]:=

Information

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

Model of one cylinder of an engine with analytic loop handling of the slider crank mechanism.

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

cylinderInclinationAngle

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

Connectors (4)

cylinder_a

Type: Frame_a

Description: Coordinate system fixed to the component with one cut-force and cut-torque (filled rectangular icon)

cylinder_b

Type: Frame_a

Description: Coordinate system fixed to the component with one cut-force and cut-torque (filled rectangular icon)

crank_a

Type: Frame_a

Description: Coordinate system fixed to the component with one cut-force and cut-torque (filled rectangular icon)

crank_b

Type: Frame_a

Description: Coordinate system fixed to the component with one cut-force and cut-torque (filled rectangular icon)

Components (10)

mid

Type: FixedTranslation

Description: Fixed translation of frame_b with respect to frame_a

mounting

Type: FixedTranslation

Description: Fixed translation of frame_b with respect to frame_a

cylinderInclination

Type: FixedRotation

Description: Fixed translation followed by a fixed rotation of frame_b with respect to frame_a

crankAngle

Type: FixedRotation

Description: Fixed translation followed by a fixed rotation of frame_b with respect to frame_a

jointRRP

Type: JointRRP

Description: Planar revolute - revolute - prismatic joint aggregation (no constraints, no potential states)

connectingRod

Type: BodyShape

Description: Rigid body with mass, inertia tensor, different shapes for animation, and two frame connectors (12 potential states)

piston

Type: BodyShape

Description: Rigid body with mass, inertia tensor, different shapes for animation, and two frame connectors (12 potential states)

gasForce

Type: GasForce2

Description: Rough approximation of gas force in a combustion engine's cylinder

crank

Type: FixedTranslation

Description: Fixed translation of frame_b with respect to frame_a

crankShape

Type: FixedShape

Description: Visualizing an elementary shape with dynamically varying shape attributes (has one frame connector)

Used in Components (1)

EngineV6_analytic

Modelica.Mechanics.MultiBody.Examples.Loops.Utilities

V6 engine with analytic loop handling