RADIOSS /RBODY flag ICOG is inactive

I have a question for the /RBODY element in RADIOSS. I will have to set the flag ICOG of the /RBODY element to '3', but I cannot select the field into Hypermesh. The flag field is inactive and I cannot select any Option. What is wrong in the model? Will I have to Change something to make the flag field active so that I can select the Option '3'?

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Altair Forum User

Hi Frank,

From Utility Menu>>select RBODY Manager, select the rigid body and card edit the same. There you can change the ICOG to 3.

Else, select the card edit from menu and select the rigid body elements and click edit. In the menu opened we can change the ICOG option.

If these two options are not working, please change the same in HyperCrash.

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Altair Forum User

Hi George,

I tried both ways before but in both ways I wasn't able to change/select the flag. I tried another way. I changed the ICOG flag to 3 manually in the .rad file and imported it back to Hypermesh. Now it works.

Thanks a lot at all.