i’ve got a problem regarding understanding contact modelling in optistruct:
I’s clear for me what the clearance is (overwriting the behavior that the contact is closed if the distance is greater than the initial distance).
In my case I’ve the case that one surface is allowed to move towards another surface by 2mm. So my clearance is 2 (close the contact after 2mm of movement). The point I don’t get in this case is the SRCHDIS: If I define the contact, the master and the slave surfaces are already defined, for what reason I would need a SRCDIS in this case? I’m reading that this is the distance in which the opposite gap-node is searched. But if I chose SRCHDIS as f.e. 2mm than it would find other surfaces at every step as the contact surfaces move to each other. Whats my mistake?
Can you give me maybe an example where the SRCHDIS is needed?
Thanks in advance!!