WOLFRAM SYSTEM MODELER

ForceDynamic

Class with a static force and a rotating force; this component can be used when the rotating force is NOT the unbalance force

Diagram

Wolfram Language

In[1]:=
SystemModel["RotatingMachinery.Examples.ContactAnalysis.ClampedRotor.ForceDynamic"]
Out[1]:=

Information

Dynamic Force

Component that can add forces in 3D and rotate. The forces can be individually controlled in time interval and amplitude, defined by ramp signals. To stop applying a force, the step signal in the desired direction is activated, multiplying the force amplitude by zero.

 

Image001

Figure 1: Applied force

Parameters (5)

height

Value: {10000, 10000, 0}

Type: Real[3]

Description: Amplitude of the force applied in x,y,z direction

start

Value: {10, 10, 20}

Type: Real[3]

Description: Time when to start applying a force in x,y,z direction

duration

Value: {10, 0, 0}

Type: Real[3]

Description: Duration of the ramp in x,y,z direciton

offset

Value: {0, 0, 0}

Type: Real[3]

Description: Offset of amplitude in x,y,z direction

animation

Value: true

Type: Boolean

Description: = true, if animation of force arrow should be enabled

Connectors (1)

frame_b

Type: Frame_b

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

Components (10)

force_Static

Type: WorldForce

Description: External force acting at frame_b, defined by 3 input signals and resolved in frame world, frame_b or frame_resolve

rampz

Type: Ramp

Description: Generate ramp signal

productz

Type: Product

Description: Output product of the two inputs

stepz

Type: Step

Description: Generate step signal of type Real

productx

Type: Product

Description: Output product of the two inputs

rampx

Type: Ramp

Description: Generate ramp signal

stepx

Type: Step

Description: Generate step signal of type Real

sine

Type: Sine

Description: Generate sine signal

cosine

Type: Cosine

Description: Generate cosine signal

add

Type: Add

Description: Output the sum of the two inputs

Used in Examples (1)

ClampedRotor

RotatingMachinery.Examples.ContactAnalysis

Study of contact forces between a disk and a housing