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KevinE

Question regarding Springelements

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Hi all,

 

I want to model a spring with constant force over its elongation. In PROP/TYPE4 I tried to set H1=8, so I can insert a constant function in fctID11(which defines Force vs spring length). When I tried to start my simulation an error occured "Spring with null stiffness, K has to be bigger than 0". From my understanding I wouldn't need to define a K-Factor as it's already defined in fctID11..

 

Any ideas on how to model a spring with constant force? Is it possible to give a function for the K-Factor?

 

Regards

Kevin

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Hi Kevin,

This approach seems fine.

I'll check for a simple test model and will share with you.

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Hi George,

 

But if I enter a stiffness value, the Force will be calculated as F=K*x, in which the Force will not be constant as defined in fctID11. In fact, there would be two diffrent Force values defined at each step if I understand correctly.

I'm looking forward to your test model.

 

Kevin

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