Thank you for your reply, I still have the following error，
Warning 30014 (INI+14)
rigid body number 411 has a principal inertia
at least 3 orders of magnitude apart:
min= 3.1125E-06
max= 2.6022E-03
The minimum principal inertia will be reset to 10.00% of the maximum
plus the sum of nodal rotational inertias.
Warning 30313 (INI+313)
Number of warning messages for rigid bodies
Have a principal inertia at least 4 orders of magnitude apart= 15
2-noded nodal rigid body is deleted due to massless node = 0
Nodal rigid body deleted due to null inertia tensor = 0
I used a rigid body to quickly impact the preloaded component and the calculations went very smoothlyand I’m using the version of R12.I’m so confused about this and don’t know what the error is.
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