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SOL 103 with contact

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Hi Experts,

 

I try to build a model containing contact and then calculate the the natural frquencies of this model in NX 8.5.2.

 

But simply activate a simulation object for the desired contact does not work.

My parts does not interact.

 

I try to analyze a model with two solid cylinders put into each other and connected via contact with penetration offset. But both cylinders have uncoupled eigenmodes.

 

What is the correct method to do such a simulation?

 

I could not find answers for this in NX help material.

 

Any suggestion will help.

 

With best regard,

Michael

 

 

 

1 REPLY

Betreff: SOL 103 with contact

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I found the solution:

- I have to build a pre loadcase in solution set 103 of step type "Subcase - Statics" first and

- after that I can build the step "Subcase - Eigenvalue Method".

In this case also the keyword STATSUB can be found in NX-Dat-File as described in all Help manuals.

 

...

SUBCASE 1
LABEL = Subcase - Statics 1
...

SUBCASE 2
LABEL = Subcase - Eigenvalue Method 1
STATSUB = 1
METHOD = 102

 

Keep this in mind...

 

Thanks anyway.

Michael