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How to correct the RBE3_CBUCH stiffness matrix between to assemble 2Dshell to 3Dsolid

Hi,

I want to realize an assembly between 2D shell END 3d SOLID BODYwith bolts

i could delete the dof 4 5 6 of the solid body

but i have k1=k2=k3=0 for the CBUCH element !

How to correct the RBE3_CBUCH stiffness matrix between to assemble 2Dshell to 3Dsolid (K1=K2=K3=0 .. this is fault)

Thank you

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English

HyperMesh

Hello,

Can you please be more clear. What do you mean by you need to correct the stiffness matrix between the 2D and 3D part?

thank you for your reply,

when i want to assemble the 2D shell with 3D solid body using RBE3 ( Bolt ) i should delete the 4,5,6 DOF

i did that

but the CBUCH element (between 2 RBE3 ) it have stiffness k1=k2=3=0 !! this is not right

so i dont know how it can be corriged automatically

You have to enter the values manually or you can make the element RIGID.

There is no way of getting the values automatically.