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I have a force vs displacement curve(curve is not linear) .I need to apply force using this curve .How can I acheive it.
Kindly suggest me.
Kindly rply
Hi,
Please let us know for which solver are you referring to.
Hello, Prakash
Now I have the same problem with Jones, I use Optistrut as the solver. Could you tell me how to apply this force?
Can you define the use case?
What is the analysis about and what type of analysis?
You can use PBUSHT elements with type as KN to give force Vs deflection curve.
Hi Prakash,
I am not clear about the usage of PBUSHT cards. It is there inside the PBUSH property itself. I wanted to know how the PBUSH K values are connected to the PBUSH T kN values. Does the K values represent a scale factor to the kN value?
Hi Gopal.
Yes, it acts a scaling factor. Maybe you can test it your self with the attached model.
Unable to find an attachment - read this blog
HI,
Thank you for the file. I was able to see the behaviour by changing the values and it acted as scale factor.
I have attached an image for creating spring elements in optistruct. Does this dof in the image refers to tick the dof which along the axis of spring?<?xml version="1.0" encoding="UTF-8"?>
Gopal,
The selected Dof will be applied to the element
Hi Gopal. Yes, it acts a scaling factor. Maybe you can test it your self with the attached model.
I made a similar file to check for scale factor functioning.
It is not working in the attached file for me and not able to find where I am doing the mistake
Thank you
Hi
@Prakash Pagadala@Rahul R
Can you help
Hi @gopal_rathore
In your model, you are applying a prescribed displacement which may not show the effect of the K.
Can you try with force as the load?
<?xml version="1.0" encoding="UTF-8"?>
Hi @Prakash Pagadala
I have given force as load . Can you please confirm
Sorry, my mistake, I have another with imposed displacement.
I will check and come back to you soon,
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