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How to introduce spring element in double wedge 2-D airfoil

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bobnastpat

bobnastpat

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Jan 10, 2012
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Hello,

I am working on flutter analysis of the double wedge airfoil. The airfoil is attache with 2 springs, one translational spring and other rotational spring they represents bending and torsional stiffness respectively.

Both the springs are connected at the aeroelastic axis which is one node in the airfoil.

Please tell me how to make these two springs in MSC/Patran. I'm not understanding what to give in DOF at node 1 & 2. as i have only one node.
 
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