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Boundary Conditions

Boundary Conditions

Boundary Conditions

I'm using Msc.Patran (with Marc solutor)to analyse a tape spring.
In the model, the 2 ends of the tape spring are constraint as follow:
T1 <0 0 0> R1 < , 0 0>
T2 <0 0 ,> R2 < , 0 0>.
The boundary conditions are applied on indipendent nodes of MPCs.
I must apply rotations at the same nodes that are constrainted.
I created a load case (and load step) with BCs and the rotations.
I found this message in the file .msg:

There are not any parameters associated with the load set named "rotazione2"
that can be translated. This may have occurred while prioritizing the loads and
boundary conditions.

What does it mean???
Is is an error that compromise the analyysis?

Thanks a lot!!!


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