August 29, 2023 at 9:08 amHa heongyuSubscriber
Hi there, i am doing stamping forming simulation using ls-dyna.
I did simulation and reviewed result and i think something is strange.
as shown in displacement, until 0.1 sec punch is pressing plate and after 0.1 sec punch increases and decreases again.
And i don't know why after 0.1 sec force is measured as all zero.
And i want to know unit of resultant force(e+3) or i want to know how to see the unit.
I will very appreciate if you guys help me.
August 30, 2023 at 7:18 pmJim DayAnsys Employee
It appears to me that the punch moves away from the workpiece at around t=0.1, and so a gap opens up and there is no contact force.
Units out = units in. In your input file, what are the units of force?
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