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03-08-2017
05:52 AM

03-08-2017
05:52 AM

In the Creo Simulate Help Center it says the use of beam idealizations is only valid for a ratio of beam height to its length of up to 1/10.

I would like to simulate a part which has a ratio of 4/10. Simulating the part as a solid is not an option.

How does that "invalid" ratio influence the simulation results?

I would also like to know how many nodes/elements Creo Simulate creates on each beam idealization and if this is variable.

Any help is greatly appreciated.

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03-08-2017
10:40 AM

03-08-2017
10:40 AM

6 REPLIES 6

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03-08-2017
10:40 AM

03-08-2017
10:40 AM

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03-09-2017
10:52 AM

03-09-2017
10:52 AM

Re: Beam Idealization

Thank you very much for your fast answer, Paul.

I hope I interpret your model correctly since I see only a difference in the max. deformation value of about +2,3 %.

I attached a sketch of my use case. Is the deformation difference the only deviation resulting from the use of the beam idealization? If yes, that would cause point A and B to displace a little more than they should but due to their identical behaviour the long beam would undergo the same load, wouldn't it?

Best regards

Patrick

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03-10-2017
01:48 AM

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03-10-2017
11:02 AM

03-10-2017
11:02 AM

Re: Beam Idealization

Again, thanks very very much for your very helpful model!

I hope that this is the last time I have to ask a question concering this topic.

I see that in this case the displacement difference of a solid and a beam model is huge.

Due to the fact that I have lots of these c-profiles connected to each other, I want to use the beams at least for the longest beam. (attached file: example_02)

I attached a comparison between a solid, beam and combination of both (example_01). In this comparison there is huge displacement difference of the mixed beam-solid model and the solid model. But this time the ratio of beam height to its length is valid according to Timoshenko beam theory.

The only possible blind spot I can imagine is the connection between the beam and the solid or is there another mistake I don't recognize?

I would really appreciate your help.

Best regards

Patrick

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03-13-2017
06:21 AM

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03-13-2017
07:48 AM

03-13-2017
07:48 AM

Re: Beam Idealization

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