*TRANSPORT VELOCITY

Specify angular transport velocity.

This option is used to define the angular velocity of material transported through the mesh of a deformable body or the transport of material relative to the reference node of a rigid body during a steady-state transport analysis.

Related Topics
In Other Guides
Steady-state transport analysis
Symmetric model generation
UMOTION

ProductsAbaqus/Standard

TypeHistory data

LevelStep

Optional parameters

AMPLITUDE

Set this parameter equal to the name of the amplitude curve (defined in the AMPLITUDE option) that gives the time variation of the velocity throughout the step (Amplitude Curves).

If this parameter is omitted, the reference magnitude is applied immediately at the beginning of the step or linearly over the step, depending on the value assigned to the AMPLITUDE parameter on the STEP option (see Defining an analysis).

USER

Include this parameter to indicate that the magnitude of the rotational velocity will be defined in user subroutine UMOTION. If this parameter is used, any magnitudes defined by the data lines can be redefined in the user subroutine.

Data lines to define rotational motion

First line

  1. Node set label or node number.

  2. Magnitude of the rotational velocity (in radians/time). This magnitude will be modified by the AMPLITUDE specification if the AMPLITUDE parameter is used. For a deformable body the rotation is assumed to be about the axis defined on the SYMMETRIC MODEL GENERATION option. For a rigid body of type REVOLUTION the rotation is assumed to be about the axis of revolution of the body.

Repeat this data line as often as necessary to define rotational motion on nodes of different parts of the model.