Hi there,
I'm currently working on a bolt model for blast simulations on bolted plates.
The model is quite simple rigid spiders(RB2) at the head and nut end and a spring element in between.
The spring is pretensionned using a type 32 property (/PROP/TYPE32 (SPR_PRE)).
I'd like to represent the spring failure based on positive rupture displacement but the property doesn't include this unlike /PROP/TYPE4 (SPRING).
I'm having trouble finding how to include this criterion in the TYPE32 (SPR_PRE) property.
Despite some time spend on tutorials and looking in the theory manual I didn't find what I was looking for.
So my question is the following : How can i both include a pretension in the spring and apply a failure criterion ?
Best regards,