WOLFRAM SYSTEM MODELER

Length

Wolfram Language

In[1]:=
SystemModel["Modelica.SIunits.Length"]
Out[1]:=

Type Information

Length

Quantity: "Length"

Unit: m

Used in Examples (7)

DrydenContinuousTurbulence

Modelica.Blocks.Examples.NoiseExamples

Demonstrates how to model wind turbulence for aircraft with the BandLimitedWhiteNoise block (a simple model of vertical Dryden gust speed at low altitudes < 1000 ft)

AIMC_Conveyor

Modelica.Electrical.Machines.Examples.AsynchronousInductionMachines

Test example: AsynchronousInductionMachineSquirrelCage with inverter driving a conveyor

AIMC_Conveyor

Modelica.Magnetic.FundamentalWave.Examples.BasicMachines

Asynchronous induction machine with squirrel cage and inverter driving a conveyor

IMC_Conveyor

Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines

Induction machine with squirrel cage and inverter driving a conveyor

PlanarLoops_analytic

Modelica.Mechanics.MultiBody.Examples.Loops

Mechanism with three planar kinematic loops and one degree-of-freedom with analytic loop handling (with JointRRR joints)

TestOpenTank

Modelica.Thermal.FluidHeatFlow.Examples

Test the OpenTank model

TwoTanks

Modelica.Thermal.FluidHeatFlow.Examples

Two connected open tanks

Used in Components (126)

OLine

Modelica.Electrical.Analog.Lines

Lossy Transmission Line

M_OLine

Modelica.Electrical.Analog.Lines

Multiple OLine

ULine

Modelica.Electrical.Analog.Lines

Lossy RC Line

PMOS

Modelica.Electrical.Analog.Semiconductors

Simple MOS Transistor

NMOS

Modelica.Electrical.Analog.Semiconductors

Simple MOS Transistor

HeatingNMOS

Modelica.Electrical.Analog.Semiconductors

Simple MOS Transistor with heating port

HeatingPMOS

Modelica.Electrical.Analog.Semiconductors

Simple PMOS Transistor with heating port

PermeanceActuator

Modelica.Magnetic.FluxTubes.Examples.MovingCoilActuator.Components

Detailed actuator model for rough magnetic design of actuator and system simulation

SimpleSolenoid

Modelica.Magnetic.FluxTubes.Examples.SolenoidActuator.Components

Simple network model of a lifting magnet with planar armature end face

AdvancedSolenoid

Modelica.Magnetic.FluxTubes.Examples.SolenoidActuator.Components

Advanced network model of a lifting magnet with planar armature end face, split magnetomotive force

Transformer1PhaseWithHysteresis

Modelica.Magnetic.FluxTubes.Examples.Hysteresis.Components

Single Phase transformer with ferromagnetic core and hysteresis

Transformer3PhaseYyWithHysteresis

Modelica.Magnetic.FluxTubes.Examples.Hysteresis.Components

Three phase transformer in Yy configuration

TranslatoryArmatureAndStopper

Modelica.Magnetic.FluxTubes.Examples.Utilities

Mass with free travel between two stoppers

CoilDesign

Modelica.Magnetic.FluxTubes.Examples.Utilities

Calculation of winding parameters (wire diameter, number of turns et al.) and recalculation with optionally chosen parameters; to be adapted to particular design tasks

ElectroMagneticConverterWithLeakageInductance

Modelica.Magnetic.FluxTubes.Basic

Electro-magnetic energy conversion with a leakage inductance

EddyCurrent

Modelica.Magnetic.FluxTubes.Basic

For modelling of eddy current in a conductive magnetic flux tube

GenericFluxTube

Modelica.Magnetic.FluxTubes.Shapes.FixedShape

Flux tube with fixed cross-section and length; linear or non-linear material characteristics

Cuboid

Modelica.Magnetic.FluxTubes.Shapes.FixedShape

Flux tube with rectangular cross-section; fixed shape; linear or non-linear material characteristics

HollowCylinderAxialFlux

Modelica.Magnetic.FluxTubes.Shapes.FixedShape

(Hollow) cylinder with axial flux; fixed shape; linear or non-linear material characteristics

HollowCylinderRadialFlux

Modelica.Magnetic.FluxTubes.Shapes.FixedShape

Hollow cylinder with radial flux; fixed shape; linear or non-linear material characteristics

HollowCylinderAxialFlux

Modelica.Magnetic.FluxTubes.Shapes.Force

(Hollow) cylinder with axial flux; constant permeability

HollowCylinderRadialFlux

Modelica.Magnetic.FluxTubes.Shapes.Force

Hollow cylinder with radial flux; constant permeability

CuboidParallelFlux

Modelica.Magnetic.FluxTubes.Shapes.Force

Cuboid with flux in direction of motion, e.g., air gap with rectangular cross-section; constant permeability

CuboidOrthogonalFlux

Modelica.Magnetic.FluxTubes.Shapes.Force

Cuboid with flux orthogonal to direction of motion; constant permeability

LeakageAroundPoles

Modelica.Magnetic.FluxTubes.Shapes.Force

Leakage flux tube around cylindrical or prismatic poles

QuarterCylinder

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux from one edge to the opposite plane through a quarter cylinder

QuarterHollowCylinder

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux in circumferential direction through a quarter hollow cylinder

HalfCylinder

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux through the edges of a half cylinder

HalfHollowCylinder

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux in circumferential direction through a half hollow cylinder

QuarterHollowSphere

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux through the edges of a quarter hollow sphere

EighthOfHollowSphere

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux through one edge and the opposite plane of an eighth of a hollow sphere

CoaxCylindersEndFaces

Modelica.Magnetic.FluxTubes.Shapes.Leakage

Leakage flux between the end planes of a inner solid cylinder and a coaxial outer hollow cylinder

PartialForce

Modelica.Magnetic.FluxTubes.Interfaces

Base class for flux tubes with reluctance force generation; constant permeability

PartialGeneric

Modelica.Magnetic.FluxTubes.Interfaces

Partial Tellinen hysteresis model

PartialGenericHysteresis

Modelica.Magnetic.FluxTubes.Interfaces

Partial hysteresis model

EddyCurrent

Modelica.Magnetic.QuasiStatic.FluxTubes.Basic

For modelling of eddy current in a conductive magnetic flux tube

GenericFluxTube

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.FixedShape

Flux tube with fixed cross-section and length; linear or non-linear material characteristics

Cuboid

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.FixedShape

Flux tube with rectangular cross-section; fixed shape; linear or non-linear material characteristics

HollowCylinderAxialFlux

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.FixedShape

(Hollow) cylinder with axial flux; fixed shape; linear or non-linear material characteristics

HollowCylinderRadialFlux

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.FixedShape

Hollow cylinder with radial flux; fixed shape; linear or non-linear material characteristics

QuarterCylinder

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux from one edge to the opposite plane through a quarter cylinder

QuarterHollowCylinder

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux in circumferential direction through a quarter hollow cylinder

HalfCylinder

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux through the edges of a half cylinder

HalfHollowCylinder

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux in circumferential direction through a half hollow cylinder

QuarterHollowSphere

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux through the edges of a quarter hollow sphere

EighthOfHollowSphere

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux through one edge and the opposite plane of an eighth of a hollow sphere

CoaxCylindersEndFaces

Modelica.Magnetic.QuasiStatic.FluxTubes.Shapes.Leakage

Leakage flux between the end planes of a inner solid cylinder and a coaxial outer hollow cylinder

FundamentalWavePermabilitySensor

Modelica.Magnetic.QuasiStatic.FluxTubes.Sensors.Transient

Sensor of fundamental wave permeability

Permeability

Modelica.Magnetic.QuasiStatic.FluxTubes.Sensors.Transient

Determines permeability from flux and magnetic potential difference

World

Modelica.Mechanics.MultiBody

World coordinate system + gravity field + default animation definition

Cylinder

Modelica.Mechanics.MultiBody.Examples.Loops.Utilities

Cylinder with rod and crank of a combustion engine

GasForce

Modelica.Mechanics.MultiBody.Examples.Loops.Utilities

Simple gas force computation for combustion engine

GasForce2

Modelica.Mechanics.MultiBody.Examples.Loops.Utilities

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

CylinderBase

Modelica.Mechanics.MultiBody.Examples.Loops.Utilities

One cylinder with analytic handling of kinematic loop

LineForceWithMass

Modelica.Mechanics.MultiBody.Forces

General line force component with an optional point mass on the connection line

LineForceWithTwoMasses

Modelica.Mechanics.MultiBody.Forces

General line force component with two optional point masses on the connection line

Spring

Modelica.Mechanics.MultiBody.Forces

Linear translational spring with optional mass

SpringDamperParallel

Modelica.Mechanics.MultiBody.Forces

Linear spring and linear damper in parallel

SpringDamperSeries

Modelica.Mechanics.MultiBody.Forces

Linear spring and linear damper in series connection

FreeMotion

Modelica.Mechanics.MultiBody.Joints

Free motion joint (6 degrees-of-freedom, 12 potential states)

FreeMotionScalarInit

Modelica.Mechanics.MultiBody.Joints

Free motion joint with scalar initialization and state selection (6 degrees-of-freedom, 12 potential states)

SphericalSpherical

Modelica.Mechanics.MultiBody.Joints

Spherical - spherical joint aggregation (1 constraint, no potential states) with an optional point mass in the middle

JointUPS

Modelica.Mechanics.MultiBody.Joints.Assemblies

Universal - prismatic - spherical joint aggregation (no constraints, no potential states)

JointSSR

Modelica.Mechanics.MultiBody.Joints.Assemblies

Spherical - spherical - revolute joint aggregation with mass (no constraints, no potential states)

JointSSP

Modelica.Mechanics.MultiBody.Joints.Assemblies

Spherical - spherical - prismatic joint aggregation with mass (no constraints, no potential states)

Fixed

Modelica.Mechanics.MultiBody.Parts

Frame fixed in the world frame at a given position

FixedTranslation

Modelica.Mechanics.MultiBody.Parts

Fixed translation of frame_b with respect to frame_a

FixedRotation

Modelica.Mechanics.MultiBody.Parts

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

BodyShape

Modelica.Mechanics.MultiBody.Parts

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

BodyBox

Modelica.Mechanics.MultiBody.Parts

Rigid body with box shape. Mass and animation properties are computed from box data and density (12 potential states)

BodyCylinder

Modelica.Mechanics.MultiBody.Parts

Rigid body with cylinder shape. Mass and animation properties are computed from cylinder data and density (12 potential states)

FixedShape2

Modelica.Mechanics.MultiBody.Visualizers

Visualizing an elementary shape with dynamically varying shape attributes (has two frame connectors)

FixedFrame

Modelica.Mechanics.MultiBody.Visualizers

Visualizing a coordinate system including axes labels (visualization data may vary dynamically)

FixedArrow

Modelica.Mechanics.MultiBody.Visualizers

Visualizing an arrow with dynamically varying size in frame_a

VoluminousWheel

Modelica.Mechanics.MultiBody.Visualizers

Visualizing a voluminous wheel

PipeWithScalarField

Modelica.Mechanics.MultiBody.Visualizers

Visualizing a pipe with scalar field quantities along the pipe axis

Arrow

Modelica.Mechanics.MultiBody.Visualizers.Advanced

Visualizing an arrow with variable size; all data have to be set as modifiers (see info layer)

DoubleArrow

Modelica.Mechanics.MultiBody.Visualizers.Advanced

Visualizing a double arrow with variable size; all data have to be set as modifiers (see info layer)

PipeWithScalarField

Modelica.Mechanics.MultiBody.Visualizers.Advanced

Visualizing a pipe with a scalar field

Lines

Modelica.Mechanics.MultiBody.Visualizers.Internal

Visualizing a set of lines as cylinders with variable size, e.g., used to display characters (no Frame connector)

SpringDamper

Modelica.Mechanics.Translational.Examples.Utilities

Input/output block of a spring/damper model

Spring

Modelica.Mechanics.Translational.Examples.Utilities

Input/output block of a spring model

SpringDamperNoRelativeStates

Modelica.Mechanics.Translational.Examples.Utilities

Linear 1D translational spring and damper in parallel (s and v are not used as states)

PartialRigid

Modelica.Mechanics.Translational.Interfaces

Rigid connection of two translational 1D flanges

PartialElementaryOneFlangeAndSupport

Modelica.Mechanics.Translational.Interfaces

Obsolete partial model. Use PartialElementaryOneFlangeAndSupport2.

PartialElementaryOneFlangeAndSupport2

Modelica.Mechanics.Translational.Interfaces

Partial model for a component with one translational 1-dim. shaft flange and a support used for textual modeling, i.e., for elementary models

PartialElementaryTwoFlangesAndSupport

Modelica.Mechanics.Translational.Interfaces

Obsolete partial model. Use PartialElementaryTwoFlangesAndSupport2.

PartialElementaryTwoFlangesAndSupport2

Modelica.Mechanics.Translational.Interfaces

Partial model for a component with one translational 1-dim. shaft flange and a support used for textual modeling, i.e., for elementary models

TankWithTopPorts

Modelica.Fluid.Examples.AST_BatchPlant.BaseClasses

Tank with inlet/outlet ports and with inlet ports at the top

BasicHX

Modelica.Fluid.Examples.HeatExchanger.BaseClasses

Simple heat exchanger model

WallConstProps

Modelica.Fluid.Examples.HeatExchanger.BaseClasses

Pipe wall with capacitance, assuming 1D heat conduction and constant material properties

PartialStraightPipe

Modelica.Fluid.Pipes.BaseClasses

Base class for straight pipe models

PartialTwoPortFlow

Modelica.Fluid.Pipes.BaseClasses

Base class for distributed flow models

PartialStaggeredFlowModel

Modelica.Fluid.Pipes.BaseClasses.FlowModels

Base class for momentum balances in flow models

NominalLaminarFlow

Modelica.Fluid.Pipes.BaseClasses.FlowModels

NominalLaminarFlow: Linear laminar flow for given nominal values

PartialGenericPipeFlow

Modelica.Fluid.Pipes.BaseClasses.FlowModels

GenericPipeFlow: Pipe flow pressure loss and gravity with replaceable WallFriction package

NominalTurbulentPipeFlow

Modelica.Fluid.Pipes.BaseClasses.FlowModels

NominalTurbulentPipeFlow: Quadratic turbulent flow in circular tubes for given nominal values

PartialFlowHeatTransfer

Modelica.Fluid.Pipes.BaseClasses.HeatTransfer

base class for any pipe heat transfer correlation

PartialPipeFlowHeatTransfer

Modelica.Fluid.Pipes.BaseClasses.HeatTransfer

Base class for pipe heat transfer correlation in terms of Nusselt number heat transfer in a circular pipe for laminar and turbulent one-phase flow

TestWallFrictionAndGravity

Modelica.Fluid.Pipes.BaseClasses.WallFriction

Pressure loss in pipe due to wall friction and gravity (only for test purposes; if needed use Pipes.StaticPipe instead)

SharpEdgedOrifice

Modelica.Fluid.Fittings

Pressure drop due to sharp edged orifice (for both flow directions)

TestWallFriction

Modelica.Fluid.Fittings.BaseClasses.QuadraticTurbulent

Pressure drop in pipe due to wall friction (only for test purposes; if needed use Pipes.StaticPipe instead)

Geometry

Modelica.Fluid.Fittings.BaseClasses.Orifices.ThickEdgedOrifice

Geometric data for a thick edged orifice

PartialLumpedFlow

Modelica.Fluid.Interfaces

Base class for a lumped momentum balance

PartialDistributedFlow

Modelica.Fluid.Interfaces

Base class for a distributed momentum balance

kc_flatTube_IN_con

Modelica.Fluid.Dissipation.HeatTransfer.HeatExchanger

Input record for function kc_flatTube and kc_flatTube_KC

kc_roundTube_IN_con

Modelica.Fluid.Dissipation.HeatTransfer.HeatExchanger

Input record for function kc_roundTube and kc_roundTube_KC

kc_turbulent_IN_con

Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe

Input record for function kc_turbulent and kc_turbulent_KC

dp_turbulent_IN_con

Modelica.Fluid.Dissipation.PressureLoss.StraightPipe

Input record for function dp_turbulent_DP and dp_turbulent_MFLOW

TwoPhaseFlow_con

Modelica.Fluid.Dissipation.Utilities.Records.General

Base record for two phase Flow

EvenGap

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Input for even gap

General

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Input for generic correlation

HelicalPipe

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Input for helical pipe

Plate

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Input for plate

StraightPipe

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Input for straight pipe

TwoPhaseFlowHT_IN_con

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Base record for two phase heat transfer coefficient

Geometry

Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss

Input for several geometries of internal flow

Orifice

Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss

Input for orifice

StraightPipe

Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss

Input for straight pipe

Diffuser

Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss

Input for diffuser

EdgedBend

Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss

Input for bend

SuddenChange

Modelica.Fluid.Dissipation.Utilities.Records.PressureLoss

Input for sudden change of diameter

Pipe

Modelica.Thermal.FluidHeatFlow.Components

Pipe with optional heat exchange

OpenTank

Modelica.Thermal.FluidHeatFlow.Components

Model of a tank under ambient pressure

Cylinder

Modelica.Thermal.FluidHeatFlow.Components

Simple model of a piston in a cylinder

PartialShape

Modelica.Utilities.Internal.PartialModelicaServices.Animation

Interface for 3D animation of elementary shapes

Extended by (13)

CoherenceLength

Modelica.SIunits

LondonPenetrationDepth

Modelica.SIunits

MigrationLength

Modelica.SIunits

DiffusionLength

Modelica.SIunits

MeanFreePath

Modelica.SIunits

Diameter

Modelica.SIunits

Radius

Modelica.SIunits

Thickness

Modelica.SIunits

Height

Modelica.SIunits

Breadth

Modelica.SIunits

Distance

Modelica.SIunits

Position

Modelica.SIunits

PathLength

Modelica.SIunits