Two-Way Radio User Manual

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INERTIA RELIEF
9.17
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INERTIA RELIEF: Apply inertia-based load balancing.
This option is used to apply inertia-based loads on a free or partially constrained body.
Product: ABAQUS/Standard
Type: History data
Level: Step
References:
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“Inertia relief,” Section 11.1.1 of the ABA QUS Analysis User ’s Manual
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“Distributed loads,” Section 27.4.3 of the AB AQUS Analysis User’s Manual
Optional, mutually exclusive parameters:
FIXED
Include this parameter to indicate that the inertia relief load from a previous step should remain
fixed at its value from the beginning of the current step.
ORIENTATION
Set this parameter equal to the name gi ven to the
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ORIENTATION definition (“Orientations,”
Section 2.2.5 of the ABAQUS Analysis User’s Manual) that specifies the orientation of the local
system for rigid body degrees of freedom.
REMOVE
Include this parameter to indicate that the in ertia relief load from a previous step s hould be removed
in the current step.
Optional data lines to specify global (or local, if the ORIENTATION parameter is used) degrees of
freedom that define the free directions along which inertia relief loads are applied:
First line:
1. Integer list of degrees of freedom identifying the free directions.
Second line (only needed to define a reference point for the rigid body direction vectors when the
user-chosen combination of free directions requires such a point):
1. Global X-coordinate of the reference point.
2. Global Y-coordinate of the reference point.
3. Global Z-coordinate of the reference point.
These data lines are needed only if rigid body motions are constrained in some directions.
9.17–1
ABAQUS Version 6.1 Module:
ID:
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