Hi, I have a plate which is fixed. and then another plate connected by bolts to the fixed plate. I am trying to calculate the bolt load when there is lateral acceleration to the whole structure (transportation load case). I have used beam elements to model the bolt using spiders. I have also defined contact surfaces. Is it necessary to define "coefficient of friction" to have realistic loads on the bolts? or not? I found unrealistic moments when there is no "coefficient of friction". Please suggest the correct way.
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