** Abstract:** The halo is a driver crash protection system used in open-wheel racing series which consists of a curved bar placed to protect the driver’s head. The system was introduced in 2015 and became mandatory according to FIA homologation and regulation from 2018. The first tests with the pr…

Nice project @ROHIT_SR ! For the “pinned support” you can use a “remote displacement” . Just set the remote point into the center of the pin and free the rotation around the axis direction. One additional hint: instead of using a “very fine” 1st order mesh, you could increase the result accuracy by…

Hi @ROHIT_SR , @rszoeke bet me to it, but for what it’s worth I have copied your project and modified it to demonstrate how to model a pin joint. You can see my modified project here: [!!!THIS LINK IS NO LONGER AVAILABLE!!!] Please take a look at the following simulations: Static test 1 - Run 2 …

[image] BenLewis: If the cockpit is much stiffer than the halo then the front pin will act as though its translation is fixed. Gut feeling says the test setup looks pretty rigid and would translate much less than 12mm and that is a setup used to approve different manufacturers I suppose …

[image] DaleKramer: Gut feeling says the test setup looks pretty rigid and would translate much less than 12mm and that is a setup used to approve different manufacturers I suppose :wink: Agreed, but I suspect that the cockpit on the vehicle would be significantly more flexible than the test …

hi sir, SORRY FOR LATE RESPONSE. :sweat_smile: all point are rigidly attached to the cockpit. [f1] so, I don’t think there is any pinned joint in the cockpit BECAUSE the total displacement should be less than the 3 mm in case 1 and less than 45 mm in case 2. (correct me if it’s wrong) @DaleKra…

Hi ROHIT, @ROHIT_SR I think there is very much room left for interpretation of that document. If I were trying to have my halo approved by the committee, I would want to know specifically, the rigidity of the test structure that the test halo would be mounted to in order to measure the required d…

HI @DaleKramer sir, you are right. there is info in detail about this project. only 3 company in the have permission to manufacture this f1 halo. so, FINALLY, can I used pinned joint or fixed join for this project? @rszoeke @jousefm @DaleKramer @BenLewis if it’s pinned THAN I will change the r…

With all the supplied info, I personally would use a pinned point…

But how is he gonna decide the dimension of the hole :thinking:? Its not mentioned in the pdf

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FE Simulation on F1 Halo

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