Material ?

- March 25, 2022 at 10:19 am
  
  Medri17
  Subscriber
  
  Hi , im actually working on crash simu for my final project , i took the car model from a site , its verified by gwa ,can i know wich material is used just by looking at its parameters ?
  for example for the back rail
- March 25, 2022 at 8:56 pm
  
  Andreas Koutras
  Ansys Employee
  
  I'm not sure I understand your question. However, you can see which material keywords are NOT referenced by any part by going to:
  Application -> Model Checking -> General Checking -> Keyword Check and click on the "Unref" next to the MAT.
  I hope this helps.
- March 25, 2022 at 9:55 pm
  
  Medri17
  Subscriber
  
  hi @AndreasKoutras , well im looking for each part's strain failure , and for that i need to know wich material is used , like is it STEEL CARBON, Alu etc And for this example i was wondering if i could know with material is used on this rail
  Thanks a lot for the response !
- March 25, 2022 at 10:08 pm
  
  Andreas Koutras
  Ansys Employee
  
  You mean you want to know to what kind of actual material the material properties specified in the input correspond. There is no such information passed in the LS-DYNA input.
- March 25, 2022 at 10:12 pm
  
  Andreas Koutras
  Ansys Employee
  
  You need to ask the one who created the input or find some documentation behind the input. You can also try opening the keyword file with a text editor and see if there are any useful comments in there.
- March 25, 2022 at 10:40 pm
  
  Medri17
  Subscriber
  
  ok thanks a lot ima try and figure it out :/ .
- March 25, 2022 at 10:41 pm
  
  Medri17
  Subscriber
  
  i got another question if i may ask , for the effective plastic strain , the results doesnt sound that logical for me
  this is before impact
  it folded completly , and only got 0.8 mm deformation? does this sound logical for u ?

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