Altair RISE

I think the problem is with the constraints. If you animate the model with your constraints, you can see large rotational displacement for the component guide.

Maybe you should re-think about constraints. I am attaching the animation file for your reference.

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Karthic_22061

Hi Prakash,

Please take a look at the animation file for older model. The guide is supposed to rotate about the hinge.

my issue with the updated model is that contact is not taking place.

Unable to find an attachment - read this blog

Altair Forum User

Hi Karthic,

Please check the loading direction in the model you shared. From the video you shared I assume the load is opposite to what you have applied, correct?

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Karthic_22061

yes the load direction in video is correct. the guide is suppose to load the leaf spring

Altair Forum User

@Karthic

Yes, the load in the video seems reasonable but the load in the model shared pushes the guide in the opposite direction to that of the video.

Can you share the old file please to check what went wrong?

Did you scale the model by any chance?

Altair Forum User

I ran a static analysis and I see huge displacement. Can you check if the model is scaled or is anything missing compared to old model?

Karthic_22061

Good morning Prakash,

No i didn't scale it, I have just rotated and repositioned the old file mesh to prepare the new model.

I have shared the old model for your reference.

Have a great day

Altair Forum User

@Karthic

I will check and update you soon.

Altair Forum User

Hi @Karthic

I have shared a modified file with you. Please run the same and check the results.

Karthic_22061

Hi Prakash,

I am trying to apply follower load using FORCE1 (FORCE1 entry can be defined as Follower Loads in Large Displacement Nonlinear Analysis)

In the file shared you have used FORCE. Can we use FORCE for follower loads?

Altair Forum User

Hi Karthic,

I have used the model as it is with some changes. I presumed the force as FORCE1.

I will check once again and will come back to you

Altair Forum User

Hi @Karthic

I shared a file with force1 and gravity load. Please check your inbox.

Karthic_22061

Hi Prakash,

Thanks you. Please answer, Can i use FORCE for follower loads??

Altair Forum User

Hi @Karthic

According to help FORCE1 is preferred for follower loads when using large displacement analysis type.

FORCE one worked in this case but need to investigate the results.