Fastener stiffness in FEM

[sych]

I have been using "Swift - Repairs to Damage Tolerant Aircraft" reference to calculate fastener stiffness for the FEM. Is this a good reference? or there are other correct way to calculate fastener stiffness? any suggestions willbe appreciated.

 

[rb1957]

there are just about as many stiffness models for fasteners as there are flavours of ice cream !

Swift is a good reference, so is Niu, or Huth. if you look at these models you'll see they all behave very differently.