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Spring element

Hi,

Can anybody tell me where to use spring element. I have created spring element with CBUSH card image and in property I have given PBUSH to spring element. I have given stiffness value in K1,K2,K3 and rigid value in k4,k5,k6. But it is showing following error in solving.

Also, can anybody tell what is analogy of spring element in optistruct.

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

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Altair Forum User

Hi @Bhushan D. Neve

CBUSH elements need a coordinate system. If you want to use basic coordinate system keep the CID for all CBUSH elements to zero

Select all CBUSH elements>> Card edit>> Select CID and leave it to zero instead of blank.

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

Altair Forum User

Hi prakash,

I am not able to find out where is card edit for CBUSH. Because PBUSH card image is applied in property and same property is applied to spring component I have created. can you tell where to find it .

thanks

Altair Forum User

Bhushan,

Select all the CBUSH elements and card edit (shown in image) and change the CID.

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