create arbitary boundary condition

Altair Community Member
Updated by durukanbdilek
I want create boundary conditions via spring instead of fixed - free cantilever beam
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Altair Community Member
OPUpdated by durukanbdilek
Normally for a fixed - free beam, we was constraining all freedoms (T and R) at fixed end
I want to use spring at fixed end instead of constraining all freedoms in order to agree experimental modal results
what I want that


Updated by Altair Forum User
Hi,
You can use CELAS or CBUSH element which will be fixed at one end and provide stiffness to the spring in the desired direction.
Hi,
Can you please explain a little in brief?