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Rectangle

Contactable rectangle

 

Description

Connections

Parameters

Description

The Rectangle element models a contactable rectangle. The contactable surfaces are the top and bottom of the rectangle. The thickness of the rectangle is used as the uncompressed length, L0, in the contact force computation (for details, see Multibody Contact Modes).

Connections

Name

Description

Modelica ID

framea

Center of rectangle

frame_a

porta

Contact port

port_a

Parameters

Name

Default

Units

Description

Modelica ID

a

2

m

Length of rectangle (along local x-axis)

a

b

1

m

Width of rectangle (along local y-axis)

b

T

0

m

Thickness of surface

T

center

false

-

True means frame is centered in thickness, otherwise flush with top surface (only for T > 0)

center

enorm

[0,0,1]

-

Direction of surface normal

enorm

use surface velocity input

false

-

True means that the surface velocity is taken from its input port and not vsurf

useInputVelocity

vsurf

[0,0]

ms

Constant surface velocity vector in the local plane

v_s0

visualization

false

-

True means geometry is visible in playback

visualization

Color

green

-

Color of the rectangle

color

See Also

Elements

Multibody

Multibody Contacts