Negative Stress Values in ANSYS

- March 3, 2023 at 5:50 am
  
  Benjamin See
  Subscriber
  
  Performed a compression test using explicit dynamics and measured the stresses. I got some negative stress values (sharp drop) at the start of the deformation before going back to positive.
  
  Anyone got any knowledge on what may be the reason here?
- March 3, 2023 at 10:23 am
  
  Ashish Khemka
  Ansys Employee
  
  Hi Benjamin,
  
  Compressive stress looks to be the reason.
  
  Regards,
  Ashish Khemka

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