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rigid body 3d volume

Altair Forum User

how to create a rigid body with 3d volume like this picture ?

help please

thanks

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Altair Forum User

Hi Fily,

You can mount rigid elements to make it rigid.

Altair Forum User

i don't understand how to mount rigid elements to make it rigid

can you explain me please

Altair Forum User

You insert for elastic modulus too high :-) It can be rigid body.

For example steel's elastic modulus 2.1e+5. If you can 2.1e+25 it can be too rigid

Rahul Rajan_21763

Hi,

My comments and suggestions is based on the assumption that you are using Radioss solver for RBody:

1.Create Rbody using 1d : Rigids:Multiple nodes with calculate node.(masternode should not e connected to any existing node in the component)

2.Avoid dependency(two dependent nodes should not mate in one region)

let me know if it helps.

Regards

Rahul R

<?xml version="1.0" encoding="UTF-8"?>

Altair Forum User

Hi,

You can model a Rbody (as Rahul R) suggested inside the cylinder.

@ no_frost: Increasing E value for an explicit is not at all recommended as it may change the time step and also affects the results. This procedure may valid for a linear static analysis.

Altair Forum User

thanks all

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