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LS Dyna

LS Dyna

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  3. Questions about the simulation on Bauschinger effect

Questions about the simulation on Bauschinger effect

    • May 23, 2025 at 2:33 am
      891348308
      Subscriber

      I am currently learing about Bauschinger effect in sheet metal forming. A one-element tension and compression is performed to plot the strain-stress curve of QP1180 sheet metal. To take Bauschinger effect into consideration, I used MAT_125 and Bao Steel QP1180 from the MatDB. However, the result didn't seem to reveal the Bauschinger effect and during the initial tension, the stress curve showed a stange twist. I wonder what going on. I'll be very appreciate if anyone can help. 

      The boundary condition and result are listed in the pictures below.

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