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JS_982441215-Moonstone
15-Moonstone
Jul 28, 2022 7:56 PM UTC
Solved

How to apply spring element?

Kind of new to the Spring element in CREO Simulate. Is it possible to simply the 5 spring disc washers (see below illustration) with only one spring element? I have simply the rod as a series of beam elements.

JS_9824412_0-1659038114438.png

 

Thanks for any hints.

Chris3
Chris3Answer
21-Topaz I
Aug 10, 2022 3:00 PM UTC

If you make the spring an advanced spring then you can enter in the spring matrix in any of the vector elements that you need.

 

A beam does the same thing only it uses the geometry and material properties that you have provided to generate those stiffness values.

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7 replies

VladimirN24-Ruby IV
24-Ruby IV
Jul 30, 2022 3:36 PM UTC

@VladimirPalffy Could you please take a look?

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Chris3
Chris321-Topaz I
21-Topaz I
Aug 1, 2022 11:44 AM UTC

You can add datum points along the rod's axis and then connect beams or springs to those datum points to give you the stiffness / spring properties that you are looking for.

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JS_982441215-MoonstoneAuthor
15-Moonstone
Aug 1, 2022 3:20 PM UTC

Thanks.

 

One end of the spring element will be attached to one of the datum points that you have mentioned, the other end will be attached to a datum point added to the fixed supporting plate at the center of its through hole. This datum point is part of the plate through a rigid link or RBE2.

 

I am implementing the above now.

 

 

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JS_982441215-MoonstoneAuthor
15-Moonstone
Aug 10, 2022 2:29 PM UTC

Still don't know how to assign the stiffness values for compression spring. So I temporarily used a hollow beam to connect the two points for representing the stack of spring washers. I am not sure yet how much errors it has caused.

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